COUNTY · 1990 CENSUS

Sangamon County

Illinois · 178,386 residents · 868.23 sq mi

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The short version

Sangamon County has roughly average household income, with a median household income of $30,350. Population has declined 6% since 2000. Median home value is $60,300.

At a glance

Average income

near the US median

US median: $30,130

Mid-age

median age 34.3

US median: 33.0

More educated

22% hold a bachelor's degree

US average: 20%

More affordable

home values down 9%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

178,386

−6%vs 2000

vs 188,951 in 2000

1990 – 2025

Population density

205 / sq mi

−6%vs 2000

vs 218 / sq mi in 2000

US average: 221

Median age

34.3

−8%vs 2000

vs 37.3 in 2000

US average: 33.0

Population, 1990 – 2024

2024195K

Section 02

Income & economy

Median household income

$30,350

−7%inflation adjusted, since 2000

vs $42,957 in 2000

US average: $30,130

1990 – 2024

Per capita income

$14,947

−35%vs 2000

vs $23,173 in 2000

US average: $14,340

Poverty rate

9.9%

+0.6 ptsvs 2000

vs 9.3% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$60,300

−9%inflation adjusted, since 2000

vs $87,600 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$382

Unchangedinflation adjusted, since 2000

vs $503 in 2000

US average: $450

Owner-occupied

66.5%

−3.4 ptsvs 2000

vs 70.0% in 2000

33.5% rent

Afford Score

2.0

−3%vs 2000

vs 2.0 in 2000

1990 – 2024

RELATED:See current rent listings in Sangamon County on RentDataNow

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%

Diversity Score26.8%(50,676)

1990

White, non-Hispanic90.9%(162,073)

Black8.1%(14,413)

Hispanic / Latino0.6%(1,125)

Asian0.7%(1,301)

Other0.3%(599)

Diversity Score22.3%(39,757)

Diversity Score

−17%vs 2000

vs 27 in 2000

1990 – 2024

Section 05

Education

Bachelor's degree or higher

22.4%

−6.2 ptsvs 2000

vs 28.6% in 2000

US average: 20.3%

High school or higher

81.8%

−6.3 ptsvs 2000

vs 88.1% in 2000

US average: 75.2%

Graduate degree

8.2%

−2.1 ptsvs 2000

vs 10.3% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

16.9 min

+45%vs 2000

vs 11.6 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Sangamon County

Head to head

Compare Sangamon County to nearby counties

SANGAMON COUNTY VS

Menard County

Income$82,176+171%

Home value$185,500+208%

Population11,863−94%

SEE FULL COMPARISON →

SANGAMON COUNTY VS

Christian County

Income$62,611+106%

Home value$115,500+92%

Population33,443−83%

SEE FULL COMPARISON →

SANGAMON COUNTY VS

Morgan County

Income$66,306+118%

Home value$130,800+117%

Population32,515−83%

SEE FULL COMPARISON →

SANGAMON COUNTY VS

Logan County

Income$66,358+119%

Home value$134,400+123%

Population27,182−86%

SEE FULL COMPARISON →

Frequently asked

How many people live in Sangamon County, Illinois?

Sangamon County, Illinois has about 178,386 residents according to the 1990 Census.

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

The typical household in Sangamon County, Illinois earns about $30,350 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 $60,300, and the typical rent is about $382 a month.

How educated are people in Sangamon County, Illinois?

About 22.4% 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 9.9% of people in Sangamon County, Illinois live below the federal poverty line.

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

How we source and harmonize this data →

Sangamon County

Population & growth

Income & economy

Housing

Race & ethnicity

Education

Commute & transportation

Work & employment

People & community

Places similar to Sangamon County

Compare Sangamon County to nearby counties

How many people live in Sangamon County, Illinois?

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

Is Sangamon County, Illinois expensive?

How educated are people in Sangamon County, Illinois?

What is the poverty rate in Sangamon County, Illinois?

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