Sangamon County, Illinois

County in Illinois, United States

"Sangamon" redirects here. For other uses, see Sangamon (disambiguation).

Not to be confused with Sangamon, Illinois.

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U.S. county in Illinois

Sangamon County

U.S. county

Sangamon County Courthouse in 2017

Sangamon County Courthouse in 2017

Flag of Sangamon County

Flag

Official seal of Sangamon County

Seal

Map of Illinois highlighting Sangamon County

Location within the U.S. state of Illinois

Illinois's location within the U.S.

Country|  United States
State|  Illinois
Founded| 1821
Named for| Sangamon River
Seat| Springfield
Largest city| Springfield
Area

• Total| 877 sq mi (2,270 km2)
• Land| 868 sq mi (2,250 km2)
• Water| 8.7 sq mi (23 km2)  1.0%
Population

(2010)

• Total| 197,465
• Estimate

(2019)

| 194,672
• Density| 230/sq mi (87/km2)
Congressional districts| 13th, 18th
Website| www.co.sangamon.il.us

Sangamon County is located in the center of the U.S. state of Illinois. According to the 2010 census, it had a population of 197,465.[1] Its county seat and largest city is Springfield,[2] the state capital.

Sangamon County is included in the Springfield, IL Metropolitan Statistical Area.

## Contents

* 1 History
* 2 Geography
* 2.1 Climate and weather
* 2.2 Major highways
* 2.3 Transit
* 2.4 Adjacent counties
* 2.5 National protected areas
* 2.6 State protected areas
* 3 Demographics
* 4 Government
* 4.1 Politics
* 5 Communities
* 5.1 Cities
* 5.2 Villages
* 5.3 Unincorporated communities
* 5.4 Townships
* 6 Education
* 6.1 Forts
* 7 See also
* 8 References
* 9 External links

## History

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File:Abraham Lincoln Tomb Springfield Illiois.jpgLincoln Tomb

Sangamon County was formed in 1821 out of Madison and Bond counties. The county was named for the Sangamon River, which runs through it. The origin of the name of the river is unknown; among several explanations is the theory that it comes from the Pottawatomie word Sain-guee-mon (pronounced "sang gä mun"), meaning "where there is plenty to eat."[3] Published histories of neighboring Menard County (formed from Sangamon County) suggest that the name was first given to the river by the French explorers of the late 17th century as they passed through the region. The river was named to honor "St. Gamo", or Saint Gamo, an 8th-century French Benedictine monk. The French pronunciation "San-Gamo" is the legacy.

Prior to being elected President of the United States, Abraham Lincoln represented Sangamon County in the Illinois Legislature. Lincoln, along with several other legislators, was instrumental in securing Springfield, the Sangamon County seat, as the state's capital. Sangamon County was also within the congressional district represented by Lincoln when he served in the US House of Representatives. Another legislator who represented Sangamon County was Colonel Edmund Dick Taylor, also known as "Father of the Greenback". The prominent financiers and industrialists Jacob Bunn and John Whitfield Bunn were based in Springfield, Sangamon County, Illinois, as well as in Chicago, during the nineteenth century and the early twentieth century. The careers of these men and the people with whom they collaborated helped to shape much of the history and development of Sangamon County, Illinois.

* Sangamon County from the time of its creation to 1823

Sangamon County from the time of its creation to 1823

* Sangamon County between 1823 and 1825

Sangamon County between 1823 and 1825

* Sangamon County between 1825 and 1839

Sangamon County between 1825 and 1839

* Sangamon in 1839, when the creation of Logan and Menard Counties reduced it to its present borders

Sangamon in 1839, when the creation of Logan and Menard Counties reduced it to its present borders

## Geography

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According to the U.S. Census Bureau, the county has a total area of 877 square miles (2,270 km2), of which 868 square miles (2,250 km2) is land and 8.7 square miles (23 km2) (1.0%) is water.[4]

### Climate and weather

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Springfield, Illinois

Climate chart (explanation)

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1.6

1.8

3.2

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4.1

3.8

3.5

3.4

2.8

2.6

2.9

2.5

Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel[5]
| Metric conversion

103

Average max. and min. temperatures in °C
Precipitation totals in mm

In recent years, average temperatures in the county seat of Springfield have ranged from a low of 17 °F (−8 °C) in January to a high of 87 °F (31 °C) in July, although a record low of −24 °F (−31 °C) was recorded in February 1905 and a record high of 112 °F (44 °C) was recorded in July 1954. Average monthly precipitation ranged from 1.62 inches (41 mm) in January to 4.06 inches (103 mm) in May.[5]

### Major highways

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* Interstate 55
* File:Business Loop 55.svg Interstate 55 Business Loop
* Interstate 72
* U.S. Route 36
* Illinois Route 4
* Illinois Route 29
* Illinois Route 54
* Illinois Route 97
* Illinois Route 104
* File:Illinois 124.svg Illinois Route 124
* Illinois Route 123
* Illinois Route 125

### Transit

[edit | edit source]

* Sangamon Mass Transit District
* Springfield station
* List of intercity bus stops in Illinois

### Adjacent counties

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* Menard County \- north
* Logan County \- north
* Macon County \- east
* Christian County \- southeast
* Montgomery County \- south
* Macoupin County \- south
* Morgan County \- west
* Cass County \- west

### National protected areas

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* Lincoln Home National Historic Site

### State protected areas

[edit | edit source]

* Sangchris Lake State Recreation Area

## Demographics

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Historical population

Census | Pop. |  | %±
1830| 12,960| | —
1840| 14,716| | 13.5%
1850| 19,228| | 30.7%
1860| 32,274| | 67.8%
1870| 46,352| | 43.6%
1880| 52,894| | 14.1%
1890| 61,195| | 15.7%
1900| 71,593| | 17.0%
1910| 91,024| | 27.1%
1920| 100,262| | 10.1%
1930| 111,733| | 11.4%
1940| 117,912| | 5.5%
1950| 131,484| | 11.5%
1960| 146,539| | 11.5%
1970| 161,335| | 10.1%
1980| 176,089| | 9.1%
1990| 178,386| | 1.3%
2000| 188,951| | 5.9%
2010| 197,465| | 4.5%
2020| 196,343| | −0.6%
U.S. Decennial Census[6]
1790-1960[7] 1900-1990[8]
1990-2000[9] 2010-2019[1]

As of the 2010 census, there were 197,465 people, 82,986 households, and 51,376 families residing in the county.[10] The population density was 227.4 inhabitants per square mile (87.8/km2). There were 89,901 housing units at an average density of 103.5 per square mile (40.0/km2).[4] The racial makeup of the county was 83.6% white, 11.8% black or African American, 1.6% Asian, 0.2% American Indian, 0.5% from other races, and 2.2% from two or more races. Those of Hispanic or Latino origin made up 1.8% of the population.[10] In terms of ancestry, 29.4% were German, 14.8% were Irish, 12.1% were English, 9.5% were American, and 6.3% were Italian.[11]

Of the 82,986 households, 30.4% had children under the age of 18 living with them, 44.4% were married couples living together, 13.2% had a female householder with no husband present, 38.1% were non-families, and 31.8% of all households were made up of individuals. The average household size was 2.33 and the average family size was 2.94. The median age was 39.2 years.[10]

The median income for a household in the county was $52,232 and the median income for a family was $66,917. Males had a median income of $48,324 versus $36,691 for females. The per capita income for the county was $28,394. About 9.9% of families and 13.4% of the population were below the poverty line, including 19.7% of those under age 18 and 7.3% of those age 65 or over.[12]

## Government

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Sangamon County is governed by a 29-member board. Each member of the board is elected from a separate district.[13]

Other elected officials include:[14]

Office | Representative | Party | Residence | Took Office

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Auditor  | Andy Goleman  | Republican  | Divernon | 2015 (appointed)
Clerk of the Circuit Court  | Paul Palazzolo  | Republican  | Springfield | 2015 (appointed)
Coroner  | James Allmon  | Republican  | Springfield | 2020 (appointed)
County Clerk  | Don Gray  | Republican  | Springfield | 2015 (appointed)
Recorder  | Josh Langfelder  | Democratic  | Springfield | 2008 (elected)
Regional Superintendent of Schools  | Jeff Vose  | Republican  | Springfield | 2010 (appointed)
Sheriff  | Jack Campbell  | Republican  | Illiopolis  | 2018 (elected)
State's Attorney  | Dan Wright  | Republican  | Springfield | 2018 (appointed)
Treasurer  | Joe Aiello  | Republican  | Springfield | 2018 (elected)

### Politics

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Like much of Central Illinois, Sangamon County tilts Republican. It is rather conservative for a county with an urban state capital, but is not nearly as conservative as the surrounding counties. Only six Democrats have carried it since 1896. It is slowly moving towards the Democratic camp, having shifted 8.7 points to the left since 2000 (as of 2020).

United States presidential election results for Sangamon County, Illinois[15] Year  | Republican | Democratic | Third party

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No. | % | No. | % | No. | %
2020 | 53,485  | 51.06% | 48,917  | 46.70%  | 2,350  | 2.24%
2016 | 49,944  | 50.77% | 40,907  | 41.58%  | 7,522  | 7.65%
2012 | 50,225  | 53.26% | 42,107  | 44.65%  | 1,965  | 2.08%
2008 | 46,945  | 46.90%  | 51,300  | 51.25% | 1,861  | 1.86%
2004 | 55,904  | 58.61% | 38,630  | 40.50%  | 841  | 0.88%
2000 | 50,374  | 55.06% | 38,414  | 41.99%  | 2,697  | 2.95%
1996 | 42,174  | 47.87% | 38,902  | 44.15%  | 7,029  | 7.98%
1992 | 39,641  | 40.93%  | 40,052  | 41.35% | 17,167  | 17.72%
1988 | 50,175  | 56.76% | 37,729  | 42.68%  | 499  | 0.56%
1984 | 54,086  | 61.10% | 34,059  | 38.47%  | 378  | 0.43%
1980 | 49,372  | 57.95% | 29,354  | 34.45%  | 6,474  | 7.60%
1976 | 43,309  | 52.24% | 38,017  | 45.85%  | 1,584  | 1.91%
1972 | 50,458  | 65.47% | 25,720  | 33.37%  | 897  | 1.16%
1968 | 36,510  | 50.02% | 29,542  | 40.47%  | 6,944  | 9.51%
1964 | 33,077  | 43.43%  | 43,073  | 56.55% | 16  | 0.02%
1960 | 41,483  | 53.64% | 35,793  | 46.28%  | 59  | 0.08%
1956 | 42,951  | 59.71% | 28,949  | 40.24%  | 35  | 0.05%
1952 | 39,392  | 53.99% | 33,526  | 45.95%  | 50  | 0.07%
1948 | 33,714  | 53.28% | 29,196  | 46.14%  | 363  | 0.57%
1944 | 32,871  | 53.24% | 28,713  | 46.50%  | 161  | 0.26%
1940 | 35,464  | 52.44% | 31,943  | 47.23%  | 221  | 0.33%
1936 | 29,562  | 46.43%  | 32,281  | 50.70% | 1,827  | 2.87%
1932 | 26,856  | 44.29%  | 32,745  | 54.00% | 1,042  | 1.72%
1928 | 31,957  | 59.99% | 21,026  | 39.47%  | 288  | 0.54%
1924 | 23,443  | 51.58% | 12,640  | 27.81%  | 9,363  | 20.60%
1920 | 21,820  | 59.42% | 11,000  | 29.95%  | 3,903  | 10.63%
1916 | 20,900  | 51.65% | 17,958  | 44.38%  | 1,606  | 3.97%
1912 | 6,196  | 31.14%  | 8,406  | 42.25% | 5,295  | 26.61%
1908 | 10,422  | 49.79% | 9,351  | 44.67%  | 1,161  | 5.55%
1904 | 10,638  | 53.44% | 7,571  | 38.03%  | 1,697  | 8.53%
1900 | 9,769  | 49.61% | 9,499  | 48.24%  | 422  | 2.14%
1896 | 8,998  | 50.17% | 8,582  | 47.85%  | 354  | 1.97%
1892 | 6,009  | 41.06%  | 7,665  | 52.38% | 960  | 6.56%

## Communities

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### Cities

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* Auburn
* Leland Grove
* Springfield (county seat and largest municipality)
* Virden

### Villages

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* Berlin
* Buffalo
* Cantrall
* Chatham
* Clear Lake
* Curran
* Dawson
* Divernon
* Grandview
* Illiopolis
* Jerome
* Loami
* Mechanicsburg
* New Berlin
* Pawnee
* Pleasant Plains
* Riverton
* Rochester
* Sherman
* Southern View
* Spaulding
* Thayer
* Williamsville

### Unincorporated communities

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* Andrew
* Archer
* Barclay
* Barr
* Bates
* Berry
* Bissell
* Bradfordton
* Breckenridge
* Buckhart
* Buffalo Hart
* Cimic
* Clayville
* Farmingdale
* Glenarm
* Island Grove
* Lowder
* New City
* Old Berlin
* Riddle Hill
* Salisbury
* Toronto
* Zenobia

### Townships

[edit | edit source]

Sangamon County is divided into these townships:

* Auburn
* Ball
* Buffalo Hart
* Capital
* Cartwright
* Chatham
* Clear Lake
* Cooper
* Cotton Hill
* Curran
* Divernon
* Fancy Creek
* Gardner
* Illiopolis
* Island Grove
* Lanesville
* Loami
* Maxwell
* Mechanicsburg
* New Berlin
* Pawnee
* Rochester
* Salisbury (former, now defunct)
* Springfield
* Talkington
* Williams
* Woodside

## Education

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Here is a listing of school districts (all are full K-12) with any territory in this county, no matter how small, even if the administrative headquarters and/or schools are in other counties:[16]

* A-C Central Community Unit School District 262
* Community Unit School District 16
* Athens Community Unit School District 213
* Auburn Community Unit School District 10
* Ball-Chatham Community Unit School District 5
* Edinburg Community Unit School District 4
* Mount Pulaski Community Unit District 23
* North Mac Community Unit School District 34
* Pawnee Community Unit School District 11
* Porta Community Unit School District 202
* Pleasant Plains Community Unit School District 8
* Riverton Community Unit School District 14
* Rochester Community Unit School District 3A
* Sangamon Valley Community Unit School District 9
* Springfield School District 186
* Tri-City Community Unit School District 1
* Waverly Community Unit School District 6
* Williamsville Community Unit School District 15

### Forts

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* Camp Butler

## See also

[edit | edit source]

* National Register of Historic Places listings in Sangamon County, Illinois

## References

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1. ^ a b "State & County QuickFacts". United States Census Bureau. Archived from the original on June 6, 2011. Retrieved July 8, 2014.
2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
3. ^ Callary, Edward. 2009. Place Names of Illinois. Champaign: University of Illinois Press, p. 310.
4. ^ a b "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Archived from the original on February 12, 2020. Retrieved July 12, 2015.
5. ^ a b "Monthly Averages for Springfield, Illinois". The Weather Channel. Retrieved January 27, 2011.
6. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 8, 2014.
7. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 8, 2014.
8. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 8, 2014.
9. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 8, 2014.
10. ^ a b c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
11. ^ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
12. ^ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
13. ^ "History and Overview". Springfield, Illinois: County of Sangamon, Illinois. Archived from the original on December 5, 2011. Retrieved December 4, 2011.
14. ^ "Elected Officials - Sangamon County Clerk - Don Gray - Sangamon County, Illinois". www.sangamoncountyclerk.com.
15. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org.
16. ^ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Sangamon County, IL" (PDF). U.S. Census Bureau. Retrieved July 20, 2022. Text list

## External links

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Wikimedia Commons has media related to Sangamon County, Illinois.

* County of Sangamon

Places adjacent to Sangamon County, Illinois

|  | Menard County and Logan County |

|
|

|  |
Morgan County and Cass County |

File:Pfeil links.svgSangamon County, Illinois

| Macon County
|  |
| Montgomery County and Macoupin County | Christian County

* v
* t
* e

Municipalities and communities of Sangamon County, Illinois, United States

County seat: Springfield

Cities|

* Auburn
* Leland Grove
* Springfield
* Virden‡

File:Map of Illinois highlighting Sangamon County.svgMap of Illinois highlighting Sangamon County

Villages|

* Berlin
* Buffalo
* Cantrall
* Chatham
* Clear Lake
* Curran
* Dawson
* Divernon
* Grandview
* Illiopolis
* Jerome
* Loami
* Mechanicsburg
* New Berlin
* Pawnee
* Pleasant Plains
* Riverton
* Rochester
* Sherman
* Southern View
* Spaulding
* Thayer
* Williamsville

Townships|

* Auburn
* Ball
* Buffalo Hart
* Capital
* Cartwright
* Chatham
* Clear Lake
* Cooper
* Cotton Hill
* Curran
* Divernon
* Fancy Creek
* Gardner
* Illiopolis
* Island Grove
* Lanesville
* Loami
* Maxwell
* Mechanicsburg
* New Berlin
* Pawnee
* Rochester
* Salisbury
* Springfield
* Talkington
* Williams
* Woodside

Unincorporated
communities|

* Andrew
* Archer
* Barclay
* Barr
* Bates
* Bissell
* Bradfordton
* Breckenridge
* Buckhart
* Buffalo Hart
* Cimic
* Clayville
* Farmingdale
* Glenarm
* Island Grove
* Lowder
* New City
* Old Berlin
* Riddle Hill
* Salisbury
* Toronto
* Zenobia‡

Footnotes|

‡This city also has portions in adjacent county or counties

* United States portal

* v
* t
* e

State of Illinois

Springfield (capital)

Topics|

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Regions|

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Municipalities|

* Alton/Granite City/Edwardsville
* Arlington Heights/Palatine
* Aurora/Naperville/Oswego/Plainfield
* Bartlett/Hanover Park/Streamwood
* Belleville/East St. Louis/Collinsville/O'Fallon
* Berwyn/Cicero
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* Freeport
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* Harrisburg
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* Lincoln
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* Mount Vernon
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* Oak Park
* Orland Park/Tinley Park
* Ottawa/Streator/LaSalle/Peru
* Peoria/Pekin/East Peoria/Morton/Washington
* Pontiac
* Quincy
* Rochelle
* Rockford/Belvidere/Machesney Park/Loves Park
* St. Charles
* Schaumburg/Hoffman Estates/Elk Grove Village
* Springfield
* Sterling/Rock Falls
* Taylorville
* Waukegan/North Chicago/Gurnee
* Wheaton

Counties|

* Adams
* Alexander
* Bond
* Boone
* Brown
* Bureau
* Calhoun
* Carroll
* Cass
* Champaign
* Christian
* Clark
* Clay
* Clinton
* Coles
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* Jasper
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* Jo Daviess
* Johnson
* Kane
* Kankakee
* Kendall
* Knox
* Lake
* LaSalle
* Lawrence
* Lee
* Livingston
* Logan
* Macon
* Macoupin
* Madison
* Marion
* Marshall
* Mason
* Massac
* McDonough
* McHenry
* McLean
* Menard
* Mercer
* Monroe
* Montgomery
* Morgan
* Moultrie
* Ogle
* Peoria
* Perry
* Piatt
* Pike
* Pope
* Pulaski
* Putnam
* Randolph
* Richland
* Rock Island
* Saline
* Sangamon
* Schuyler
* Scott
* Shelby
* St. Clair
* Stark
* Stephenson
* Tazewell
* Union
* Vermilion
* Wabash
* Warren
* Washington
* Wayne
* White
* Whiteside
* Will
* Williamson
* Winnebago
* Woodford

Coordinates: 39°46′N 89°40′W﻿ / ﻿39.76°N 89.66°W﻿ / 39.76; -89.66
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