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Clay County, Illinois

County

Population: 13,173 (2023 estimate)

Located in Illinois

County-level Census Bureau data covering income, housing, demographics, education, employment, and more. Counties are the primary administrative division in the U.S. and the most common unit for comparing local conditions across a state.

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Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).

Quick Facts — Clay County

What is the median household income in Clay County?
The median household income in Clay County is $89,750 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in Clay County?
The poverty rate in Clay County is 3.1% (U.S. Census Bureau ACS 2023).
What is the median home value in Clay County?
$242,000 (U.S. Census Bureau ACS 2023).
What is the average rent in Clay County?
The median gross rent in Clay County is $1,155 per month (U.S. Census Bureau ACS 2023).
What percentage of Clay County residents have a college degree?
37.5% of adults in Clay County hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
17,463
Median Income
$89,750
Median Home Value
$242,000
Poverty Rate
3.1%
Unemployment (ACS 2023)
4.1%
Median Age
40.0 yrs
Since 2019 Median Income: +$25,320 (+39.3%) Home Value: +$49,000 (+25.4%) Poverty Rate: -4.0 pp (-56.3%) Bachelor's+: +3.6 pp (+10.6%) Unemployment: +1.3 pp (+46.4%)

Demographics

Total Population 17,463
Median Age 40.0
Female 48.7%
Race & Ethnicity
Hispanic or Latino 6.4% White (non-Hisp.) 79.2% Black 3.7% Asian 6.2% Two or More 6.1% Other 2.2%
Asian Subgroups (% of total pop.)
Indian
4.2%
Filipino
0.5%
Korean
0.4%
Chinese
0.3%
Vietnamese
0.1%
Hispanic Subgroups (% of total pop.)
Puerto Rican
2.2%
Mexican
0.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Income & Poverty

Median Household Income $89,750 ±$5,924
+$8,048 vs. state
Per Capita Income $113,208
Median Family Income $110,978
Poverty Rate 3.1%
-5.1 pp vs. state
Child Poverty Rate 3.7%
Working-Age Poverty Rate
SNAP Recipients 7.0%
Social Security Income
Retirement Income 26.4%
Household Income Distribution
< $10k
2.5%
$10–15k
1.2%
$15–25k
2.0%
$25–35k
7.2%
$35–50k
10.9%
$50–75k
18.3%
$75–100k
15.0%
$100–150k
19.7%
$150–200k
11.9%
$200k+
11.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Housing

Total Housing Units 7,661
Owner-Occupied 73.1%
Renter-Occupied 26.9%
Vacancy Rate 2.1%
Median Home Value $242,000
-$8,500 vs. state
Median Gross Rent $1,155
Owner Cost Burden (30%+) 17.8%
Renter Cost Burden (30%+) 24.9%
Home Value Distribution
< $50k
2.4%
$50–100k
2.5%
$100–200k
14.4%
$200–300k
32.5%
$300–500k
23.3%
$500k–$1M
7.8%
$1M+
1.9%
Gross Rent Distribution
< $500
0.9%
$500–1k
27.1%
$1–1.5k
49.5%
$1.5–2k
12.1%
$2–2.5k
10.3%
Vehicle Availability
No vehicle
2.7%
1 vehicle
41.8%
2 vehicles
37.2%
3+
18.3%
Housing Type
Single-fam. det.
54.3%
Single-fam. att.
24.4%
2–4 units
2.2%
5–19 units
9.5%
20+ units
0.8%
Mobile home
2.0%
Housing Age
Pre-1940
11.6%
1940–1969
2.1%
1970–1999
13.2%
2000–2009
15.6%
2010+
10.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Education

High School or Higher 94.1%
Bachelor's or Higher 37.5%
+0.3 pp vs. state
Graduate Degree 13.4%
Some College / Associate 16.6%
Less Than High School 1.1%
Enrolled in School

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Employment

Labor Force Participation 71.6%
Unemployment Rate 4.1%
-1.7 pp vs. state
Work from Home 16.4%
Self-Employed 2.9%
Government Workers 15.9%
Private For-Profit 80.9%
Industry
Edu/Health
18.1%
Prof. Services
13.9%
Finance
13.1%
Retail
11.4%
Manufacturing
9.9%
Public Admin
8.3%
Construction
6.5%
Transportation
6.1%
Arts/Entmt.
5.9%
Wholesale
3.2%
Information
1.5%
Occupation
Management
46.5%
Sales
20.4%
Production
13.2%
Construction
10.2%
Food Prep
9.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Commute

Median Travel Time 22.4 min
Drove Alone 74.6%
Carpool 6.9%
Public Transit 0.4%
Work from Home 16.4%
Walked 1.6%
Bicycle

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Households & Families

Total Households 7,500
Avg. Household Size 2.00
Avg. Family Size
Married-Couple Households 47.2%
Single-Mother Households
Single-Father Households
Living Alone
Households with Children 20.1%
Multigenerational

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Age Distribution

Under 5
4.6%
5–9
6.0%
10–14
6.9%
15–19
4.9%
20–24
5.4%
25–34
14.1%
35–44
13.5%
45–54
14.6%
55–64
7.6%
65–74
5.7%
75–84
11.0%
85+
4.2%
Under 18: 20.2% Working age (18–64): 79.8% 65 and over: 16.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Social Characteristics

Immigration

Foreign Born 7.5%
Naturalized Citizen 61.6%
Speaks English Less Than Very Well 3.0%
Foreign-Born Origin
Asia
58.0%
Latin America
15.6%
Africa
10.8%
Europe
9.0%

Veterans & Disability

Veteran 7.2%
With a Disability 12.2%
Cognitive Difficulty
Ambulatory Difficulty

Health Insurance

Insured 93.8%
Uninsured 6.2%
Employer Insurance
Medicaid
Medicare

Technology & Mobility

Broadband Internet 94.4%
Has a Computer 96.9%
Same House 1 Year Ago 92.3%
Moved from Abroad 0.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Compare Clay County

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Where People Move From (IRS Migration Data)

Top origins of people who moved to Clay County in 2023, by number of tax returns filed (IRS SOI Migration Data).

Origin Tax Returns People (est.)
Other flows - South 42 73
Wayne County 29 62
Effingham County 26 42
Marion County 26 51
Other flows - Midwest 23 43
Richland County 20 53