Peoria County vs Sangamon County

A side-by-side comparison of Peoria County and Sangamon County: population, income, housing, and more.

Peoria County and Sangamon County are counties in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Sangamon County has the higher population (195,217 vs 179,831 in Peoria County). Sangamon County has the higher median household income ($74,114 vs $64,938 in Peoria County). Sangamon County has the higher median home value ($170,300 vs $152,600 in Peoria County).

Population, income & housing

	Peoria County	Sangamon County
Population	179,831	195,217
Median age	38.1 yrs	40.8 yrs
Median household income	$64,938	$74,114
Median home value	$152,600	$170,300
Median gross rent	$946	$954
Housing units	84,992	93,151
Homeownership rate	67.0%	70.6%
Bachelor's degree or higher	34.5%	35.1%
Unemployment rate	6.5%	5.5%

Trends (ACS 5-year, 2019–2023)

	Peoria County	Sangamon County
Population	182,770 → 179,831 (-1.6%)	196,861 → 195,217 (-0.8%)
Median household income	$55,842 → $64,938 (+16.3%)	$61,912 → $74,114 (+19.7%)
Median home value	$129,800 → $152,600 (+17.6%)	$141,200 → $170,300 (+20.6%)
Median gross rent	$798 → $946 (+18.5%)	$820 → $954 (+16.3%)

Peoria County

Population

182,770179,831

Median household income

$55,842$64,938

Median home value

$129,800$152,600

Median gross rent

$798$946

Sangamon County

Population

196,861195,217

Median household income

$61,912$74,114

Median home value

$141,200$170,300

Median gross rent

$820$954

Age & race/ethnicity

Age distribution (share)

	Peoria County	Sangamon County
Under 5	6.6%	5.6%
5 to 17	17.3%	16.4%
18 to 24	8.7%	7.9%
25 to 34	13.2%	12.2%
35 to 44	12.5%	12.9%
45 to 54	11.5%	12.2%
55 to 64	12.2%	13.9%
65 to 74	10.4%	11.4%
75 and over	7.6%	7.5%

Race & ethnicity (share)

	Peoria County	Sangamon County
White (non-Hispanic)	67.0%	78.1%
Black or African American	17.5%	12.5%
American Indian & Alaska Native	0.1%	0.1%
Asian	4.5%	2.1%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.3%	0.5%
Two or more races	4.9%	4.0%
Hispanic or Latino	5.8%	2.8%

Educational attainment (age 25+)

Share of adults 25+

	Peoria County	Sangamon County
No high school diploma	6.6%	6.3%
High school graduate	27.7%	28.2%
Some college or associate's	31.2%	30.4%
Bachelor's degree	20.8%	20.9%
Graduate or professional degree	13.7%	14.2%

Commute to work

How workers get to work (share)

	Peoria County	Sangamon County
Drove alone	77.8%	78.3%
Carpooled	8.3%	5.9%
Public transit	1.1%	1.1%
Walked	1.9%	1.3%
Bicycle	0.2%	0.4%
Worked from home	10.0%	12.0%
Other means	0.7%	0.9%

Housing

Units in structure (share)

	Peoria County	Sangamon County
1-unit, detached	72.1%	72.7%
1-unit, attached	3.7%	5.3%
2 to 4 units	5.1%	5.9%
5 to 19 units	10.0%	7.5%
20 or more units	7.9%	4.5%
Mobile home & other	1.2%	4.1%

Poverty & households

	Peoria County	Sangamon County
Poverty rate	15.4%	12.9%
Average household size	2.27	2.27
Mean commute (minutes)	19	20
Median year structure built	1966	1973