US Census Data

Sangamon County, Illinois

25 cities & places have their primary county here.

Population
195,217
-0.8%’19–’23
Median household income
$74,114
+19.7%’19–’23
Median home value
$170,300
+20.6%’19–’23

Sangamon County, Illinois counts 195,217 residents. 25 cities and places have their primary county here. At $74,114, its median household income sits below Illinois's $81,702.

Between 2019 and 2023, Sangamon County's population held roughly steady from 196,861 to 195,217, while its median household income rose 19.7% from $61,912 to $74,114.

White (non-Hispanic) residents are the largest group, 78.1% of the population. 78.3% of workers drive to work alone.

Demographics

ACS 2019–2023
Population
195,217
Median age
40.8 yrs
Median household income
$74,114
Median home value
$170,300
Median gross rent
$954
Housing units
93,151
Homeownership rate
70.6%
Bachelor's degree or higher
35.1%
Unemployment rate
5.5%

Trends

ACS 5-year · 2019–2023
Population
196,861195,217
Median household income
$61,912$74,114
Median home value
$141,200$170,300
Median gross rent
$820$954
YearPopulationMedian household incomeMedian home valueMedian gross rent
2019196,861$61,912$141,200$820
2020195,963$61,743$144,100$829
2021196,759$66,149$147,600$861
2022196,122$71,653$162,400$927
2023195,217$74,114$170,300$954

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 510,9275.6%
5 to 1732,05316.4%
18 to 2415,4747.9%
25 to 3423,78712.2%
35 to 4425,15212.9%
45 to 5423,80212.2%
55 to 6427,13713.9%
65 to 7422,17911.4%
75 and over14,7067.5%

Race & ethnicity

CountShare
White (non-Hispanic)152,46478.1%
Black or African American24,34112.5%
American Indian & Alaska Native1030.1%
Asian4,1172.1%
Native Hawaiian & Pacific Islander320.0%
Some other race8950.5%
Two or more races7,8144.0%
Hispanic or Latino (any race)5,4512.8%

Educational attainment (age 25+)

CountShare
No high school diploma8,6056.3%
High school graduate38,57528.2%
Some college or associate's41,55230.4%
Bachelor's degree28,64520.9%
Graduate or professional degree19,38614.2%

Commute to work

Mean travel time to work
20 min

How workers get to work

CountShare
Drove alone70,93878.3%
Carpooled5,3105.9%
Public transit9611.1%
Walked1,2101.3%
Bicycle3740.4%
Worked from home10,91312.0%
Other means8590.9%

Travel time

CountShare
Under 15 min26,40233.1%
15 to 29 min40,41150.7%
30 to 44 min7,8929.9%
45 to 59 min2,0532.6%
60+ min2,8943.6%

Households

Average household size
2.27
Poverty rate
12.9% (24,702 of 191,460)
CountShare
Family households48,87858.0%
Nonfamily households35,41242.0%

Housing

Median year structure built
1973

Occupancy

CountShare
Occupied84,29090.5%
Vacant8,8619.5%

Tenure (of occupied units)

CountShare
Owner-occupied59,52170.6%
Renter-occupied24,76929.4%

Units in structure

CountShare
1-unit, detached67,68872.7%
1-unit, attached4,9125.3%
2 to 4 units5,4945.9%
5 to 19 units7,0137.5%
20 or more units4,2144.5%
Mobile home & other3,8304.1%

Geography

County GEOID
17167
State
Illinois
Land area
868 sq mi
Water area
8.78 sq mi
Center point
39.7569, -89.6624

Cities & places

25

Compare with nearby counties

5

Illinois rankings

21

Other counties in Illinois

101