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COUNTY

Sangamon County

Illinois · 194,170 residents (2025 est.) · 868 sq mi
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The short version

Sangamon County is home to 194,947 people in Illinois. Few US counties rank higher on income. The typical home is worth $176,300, having more than doubled since 2000. The foreign-born share is 4%. Getting to work takes 20 minutes on average. Median rent is $983 a month.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 41.0
US median: 38.9
Average education
37% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
194,947
+3%since 2000
from 188,951 in 2000
194,170 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
225 / sq mi
Unchangedsince 2009
from 223 / sq mi in 2009
US average: 281
Median age
41.0
+10%since 2000
from 37.3 in 2000
US average: 38.9
Land area
868 sq mi
Population, 1990 – 2024
176K183K189K195K201K19902000201020202024Sangamon County
2024195K
1990201020202024
Age distribution, 2024
Under 55.6%(10,846)
US avg: 5.6%
5 to 96%(11,629)
US avg: 6%
10 to 146.3%(12,323)
US avg: 6.4%
15 to 196.3%(12,194)
US avg: 6.6%
20 to 245.8%(11,316)
US avg: 6.5%
25 to 3412.1%(23,632)
US avg: 13.7%
35 to 4412.9%(25,126)
US avg: 13.2%
45 to 5412.1%(23,583)
US avg: 12.2%
55 to 6413.6%(26,449)
US avg: 12.7%
65 to 7411.5%(22,514)
US avg: 10.2%
75 to 845.6%(10,950)
US avg: 5.1%
85 and over2.2%(4,385)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$75,357
−4%inflation adjusted, since 2000
from $42,957 in 2000
US average: $82,259
1990 – 2024
Per capita income
$44,151
+91%since 2000
from $23,173 in 2000
US average: $44,673
Households earning $100K+
50.2%
+18.7 ptssince 2009
from 31.5% in 2009
US average: 53.3%
Poverty rate
13.1%
+3.8 ptssince 2000
from 9.3% in 2000
US average: 12.5%
Income inequality (Gini)
0.464
+6%since 2010
from 0.437 in 2010
US average: 0.476
Workforce by industry, 2024
Information9.5%
US avg: 10.8%
Other services6.9%
US avg: 6.7%
Public administration5.8%
US avg: 4.8%
Retail trade5.6%
US avg: 9.9%
Finance & insurance4.6%
US avg: 5.9%
Wholesale trade4.4%
US avg: 6.9%
Professional, scientific, technical3.6%
US avg: 5.1%
Transportation & warehousing1.8%
US avg: 2.2%
Agriculture, forestry, fishing1.3%
US avg: 1.6%
Arts, entertainment, food1.2%
US avg: 1.9%
Construction1.2%
US avg: 1.2%
Education & health services1%
US avg: 0.9%
Manufacturing0.1%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$176,300
+10%inflation adjusted, since 2000
from $87,600 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$983
+7%inflation adjusted, since 2000
from $503 in 2000
US average: $1,442
Owner-occupied
71.3%
+1.3 ptssince 2000
from 70.0% in 2000
28.7% rent
Vacancy rate
9.2%
+0.1 ptssince 2009
from 9.1% in 2009
US average: 10.0%
Persons per household
2.25 people
−3%since 2009
from 2.31 people in 2009
US average: 2.54
Owner cost-burdened
16.1%
−3.9 ptssince 2009
from 20.0% in 2009
US average: 22.9%
Renter cost-burdened
41.5%
−3.1 ptssince 2009
from 44.6% in 2009
US average: 47.4%
Afford Score
2.3
+4%since 2009
from 2.2 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
31
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic86.8%(163,967)
Black9.6%(18,134)
Hispanic / Latino1.1%(2,000)
Asian1.1%(2,067)
Other0%
2024
White, non-Hispanic77.3%(150,779)
Black12.5%(24,441)
Hispanic / Latino2.9%(5,721)
Asian2.3%(4,401)
Other4.9%(9,605)
Diversity Score
48
+42%since 2009
from 34 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
38
−10%since 2020
from 42 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican1.3%(2,557)
Puerto Rican0.5%(899)
Colombian0.2%(475)
Honduran0.2%(313)
Venezuelan0.1%(169)
Cuban0.1%(107)
Dominican0.1%(104)
Nicaraguan0.1%(103)
Spaniard0%(88)
+ 7 more hispanic origin groups with data
Chilean0%(46)
Argentine0%(32)
Bolivian0%(11)
Peruvian0%(10)
Asian origin
Asian Indian0.8%(1,559)
Filipino0.5%(905)
Chinese0.3%(642)
Korean0.1%(287)
Vietnamese0.1%(249)
Nepalese0.1%(184)
Japanese0.1%(152)
Taiwanese0.1%(117)
Pakistani0.1%(117)
Kazakh0%(64)
Cambodian0%(43)
Laotian0%(27)
+ 6 more asian origin groups with data
Thai0%(22)
Burmese0%(13)
Uzbek0%(2)
Pacific Islander origin
Samoan0%(13)
Ancestry
German20.7%(40,274)
English12.5%(24,421)
Irish12.4%(24,126)
American5%(9,739)
Italian4.5%(8,847)
Polish2%(3,993)
Scottish1.9%(3,698)
French1.8%(3,599)
Dutch1.1%(2,166)
Swedish1.1%(2,073)
Scotch-Irish0.9%(1,819)
+ 44 more ancestry groups with data
Norwegian0.8%(1,590)
Welsh0.6%(1,202)
Lithuanian0.5%(1,053)
Nigerian0.4%(751)
Swiss0.4%(732)
Slovak0.4%(718)
British0.3%(676)
Portuguese0.3%(663)
Hungarian0.3%(581)
Arab0.3%(572)
Austrian0.2%(420)
Czech0.2%(415)
Russian0.2%(367)
Danish0.2%(340)
Greek0.2%(323)
West Indian0.2%(307)
Lebanese0.1%(272)
Croatian0.1%(241)
Ukrainian0.1%(151)
Haitian0.1%(127)
Jamaican0.1%(126)
Finnish0.1%(120)
Canadian0.1%(119)
Slovene0.1%(105)
Belgian0.1%(98)
Armenian0%(67)
Iranian0%(58)
Israeli0%(53)
Brazilian0%(46)
Romanian0%(44)
Latvian0%(40)
Turkish0%(34)
Serbian0%(30)
Ethiopian0%(21)
Egyptian0%(19)
Jordanian0%(19)
Moroccan0%(19)
Ghanaian0%(18)
Kenyan0%(10)
Somali0%(6)
Section 05

Education

Bachelor's degree or higher
36.6%
+8.1 ptssince 2000
from 28.6% in 2000
US average: 35.6%
High school or higher
94.1%
+6.1 ptssince 2000
from 88.1% in 2000
US average: 89.6%
Graduate degree
14.8%
+4.5 ptssince 2000
from 10.3% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
19.7 min
+69%since 2000
from 11.6 min in 2000
US average: 26.5
Drive alone to work
77.1%
−6.5 ptssince 2009
from 83.5% in 2009
US average: 68.9%
Carpooled to work
5.6%
−3.8 ptssince 2009
from 9.4% in 2009
US average: 8.5%
Public transit
0.9%
−0.5 ptssince 2009
from 1.4% in 2009
US average: 3.2%
Worked from home
13.7%
+10.9 ptssince 2009
from 2.8% in 2009
US average: 15.0%
Walked to work
1.4%
−0.3 ptssince 2009
from 1.7% in 2009
US average: 2.4%
Biked to work
0.4%
Unchangedsince 2009
from 0.4% in 2009
US average: 0.4%
No vehicle available
7.6%
+1.0 ptssince 2009
from 6.6% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
5.4%
−2.1 ptssince 2011
from 7.5% in 2011
US average: 5.2%
Labor force participation
61.2%
−7.6 ptssince 2011
from 68.9% in 2011
US average: 63.5%
Women 20-64 in the labor force
76.6%
−0.8 ptssince 2020
from 77.4% in 2020
US average: 74.6%
Self-employed
22.2%
+3.2 ptssince 2009
from 19.0% in 2009
US average: 13.1%
Management & professional
45.6%
+7.0 ptssince 2009
from 38.6% in 2009
US average: 42.5%
Section 08

People & community

Male
48.3%
+0.4 ptssince 2009
from 47.9% in 2009
Female
51.7%
−0.4 ptssince 2009
from 52.1% in 2009
Foreign born
3.6%
+1.1 ptssince 2009
from 2.5% in 2009
US average: 14.1%
Veterans
6.6%
−4.9 ptssince 2009
from 11.5% in 2009
US average: 6.2%
With a disability
13.6%
+0.6 ptssince 2012
from 13.0% in 2012
US average: 13.3%
Uninsured
3.6%
−5.4 ptssince 2013
from 9.0% in 2013
US average: 8.4%
Broadband at home
90.6%
+11.9 ptssince 2017
from 78.7% in 2017
US average: 91.0%
Computer in household
95.4%
+4.8 ptssince 2020
from 90.6% in 2020
US average: 95.5%
Same house as last year
89.4%
+3.6 ptssince 2020
from 85.8% in 2020
US average: 87.7%
English only at home
95.2%
Unchangedsince 2016
from 95.3% in 2016
US average: 77.7%
Spanish at home
1.7%
+0.2 ptssince 2016
from 1.5% in 2016
US average: 13.6%
Marital status
Men 15+
Never married36%(27,395)
Married49.7%(37,846)
Widowed3.3%(2,510)
Divorced11.1%(8,448)
Women 15+
Never married31.3%(26,237)
Married44.8%(37,609)
Widowed9.3%(7,787)
Divorced14.7%(12,317)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
3.6%
−5.4 ptssince 2013
from 9.0% in 2013
US average: 8.4%
Employer-based
64.2%
−0.6 ptssince 2020
from 64.8% in 2020
US average: 54.8%
Direct-purchase
11.7%
−0.9 ptssince 2020
from 12.6% in 2020
US average: 13.8%
Medicare
20.9%
+1.6 ptssince 2020
from 19.3% in 2020
US average: 18.4%
Medicaid
20.4%
+0.4 ptssince 2020
from 20.0% in 2020
US average: 20.9%
VA health care
1.9%
−0.2 ptssince 2020
from 2.1% in 2020
US average: 2.2%
Any private
73.1%
−1.6 ptssince 2020
from 74.7% in 2020
US average: 67.1%
Any public
39.0%
+1.9 ptssince 2020
from 37.1% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)22.2%(2,209)
US avg: 26.4%
Gulf War (1990s)20.3%(2,024)
US avg: 24.3%
Vietnam era36.8%(3,664)
US avg: 33.1%
Korean War4.2%(414)
US avg: 4.5%
World War II1.6%(155)
US avg: 1%

Share of the 9,968 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

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Head to head

Compare Sangamon County to nearby counties

SANGAMON COUNTY VS
Menard County
Income$82,176+9%
Home value$185,500+5%
Population11,863−94%
SEE FULL COMPARISON →
SANGAMON COUNTY VS
Christian County
Income$62,611−17%
Home value$115,500−34%
Population33,443−83%
SEE FULL COMPARISON →
SANGAMON COUNTY VS
Morgan County
Income$66,306−12%
Home value$130,800−26%
Population32,515−83%
SEE FULL COMPARISON →
SANGAMON COUNTY VS
Logan County
Income$66,358−12%
Home value$134,400−24%
Population27,182−86%
SEE FULL COMPARISON →
Frequently asked

How many people live in Sangamon County, Illinois?

Sangamon County, Illinois has about 194,947 residents according to the 2024 American Community Survey.

What is the median household income in Sangamon County, Illinois?

The typical household in Sangamon County, Illinois earns about $75,357 a year. Half of households make more than that, and half make less.

Is Sangamon County, Illinois expensive?

In Sangamon County, Illinois, the median home is worth about $176,300, and the typical rent is about $983 a month.

How educated are people in Sangamon County, Illinois?

About 36.6% of adults age 25 and over in Sangamon County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Sangamon County, Illinois?

About 13.1% of people in Sangamon County, Illinois live below the federal poverty line.

Has Sangamon County, Illinois grown since 1990?

Yes, Sangamon County, Illinois has grown since 1990. The population has added about 16,561 residents, a change of about 9 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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