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Franklin County, Illinois

County

Population: 37,541 (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 — Franklin County

What is the median household income in Franklin County?
The median household income in Franklin County is $95,542 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in Franklin County?
The poverty rate in Franklin County is 4.7% (U.S. Census Bureau ACS 2023).
What is the median home value in Franklin County?
$266,400 (U.S. Census Bureau ACS 2023).
What is the average rent in Franklin County?
The median gross rent in Franklin County is $1,320 per month (U.S. Census Bureau ACS 2023).
What percentage of Franklin County residents have a college degree?
47.2% of adults in Franklin County hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
41,416
Median Income
$95,542
Median Home Value
$266,400
Poverty Rate
4.7%
Unemployment (ACS 2023)
2.6%
Median Age
41.0 yrs
Since 2019 Median Income: +$22,005 (+29.9%) Home Value: +$57,500 (+27.5%) Poverty Rate: +1.5 pp (+46.9%) Bachelor's+: +5.2 pp (+12.4%) Unemployment: -1.5 pp (-36.6%)

Demographics

Total Population 41,416
Median Age 41.0
Female 52.4%
Race & Ethnicity
Hispanic or Latino 4.4% White (non-Hisp.) 84.8% Black 4.1% Asian 3.0% Two or More 6.0% Other 0.8%
Asian Subgroups (% of total pop.)
Indian
0.7%
Chinese
0.6%
Filipino
0.4%
Korean
0.3%
Hispanic Subgroups (% of total pop.)
Puerto Rican
1.9%
Mexican
1.0%
Cuban
0.2%

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

Income & Poverty

Median Household Income $95,542 ±$4,875
+$13,840 vs. state
Per Capita Income $116,188
Median Family Income $113,617
Poverty Rate 4.7%
-3.5 pp vs. state
Child Poverty Rate 8.2%
Working-Age Poverty Rate
SNAP Recipients 4.9%
Social Security Income
Retirement Income 34.6%
Household Income Distribution
< $10k
2.9%
$10–15k
0.9%
$15–25k
5.6%
$25–35k
3.8%
$35–50k
10.4%
$50–75k
16.0%
$75–100k
13.1%
$100–150k
22.9%
$150–200k
12.5%
$200k+
12.0%

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

Housing

Total Housing Units 18,994
Owner-Occupied 70.9%
Renter-Occupied 29.1%
Vacancy Rate 4.2%
Median Home Value $266,400
+$15,900 vs. state
Median Gross Rent $1,320
Owner Cost Burden (30%+) 15.8%
Renter Cost Burden (30%+) 29.6%
Home Value Distribution
< $50k
2.4%
$50–100k
1.4%
$100–200k
9.5%
$200–300k
32.8%
$300–500k
30.4%
$500k–$1M
9.9%
$1M+
1.1%
Gross Rent Distribution
< $500
3.8%
$500–1k
22.5%
$1–1.5k
37.4%
$1.5–2k
25.1%
$2–2.5k
8.7%
$2.5–3.5k
0.6%
$3.5k+
1.9%
Vehicle Availability
No vehicle
4.1%
1 vehicle
39.0%
2 vehicles
39.7%
3+
17.2%
Housing Type
Single-fam. det.
55.8%
Single-fam. att.
19.1%
2–4 units
3.2%
5–19 units
3.6%
20+ units
8.9%
Mobile home
1.9%
Housing Age
Pre-1940
13.3%
1940–1969
2.6%
1970–1999
14.5%
2000–2009
12.5%
2010+
14.3%

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

Education

High School or Higher 96.9%
Bachelor's or Higher 47.2%
+10.0 pp vs. state
Graduate Degree 16.9%
Some College / Associate 15.5%
Less Than High School 1.0%
Enrolled in School

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

Employment

Labor Force Participation 64.4%
Unemployment Rate 2.6%
-3.2 pp vs. state
Work from Home 17.8%
Self-Employed 5.9%
Government Workers 15.9%
Private For-Profit 77.7%
Industry
Edu/Health
26.7%
Prof. Services
13.9%
Retail
9.0%
Arts/Entmt.
7.7%
Transportation
7.5%
Finance
7.3%
Public Admin
7.1%
Manufacturing
6.3%
Construction
4.5%
Wholesale
2.5%
Information
2.0%
Agriculture
0.7%
Occupation
Management
53.4%
Sales
20.1%
Food Prep
11.5%
Production
10.3%
Construction
4.7%

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

Commute

Median Travel Time 22.1 min
Drove Alone 75.4%
Carpool 4.2%
Public Transit 0.4%
Work from Home 17.8%
Walked 1.2%
Bicycle

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

Households & Families

Total Households 18,197
Avg. Household Size 2.00
Avg. Family Size
Married-Couple Households 51.1%
Single-Mother Households
Single-Father Households
Living Alone
Households with Children 16.7%
Multigenerational

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

Age Distribution

Under 5
4.6%
5–9
6.0%
10–14
5.8%
15–19
5.1%
20–24
3.9%
25–34
15.0%
35–44
12.7%
45–54
10.7%
55–64
7.2%
65–74
6.5%
75–84
11.1%
85+
6.5%
Under 18: 19.6% Working age (18–64): 80.4% 65 and over: 22.5%

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

Social Characteristics

Immigration

Foreign Born 4.6%
Naturalized Citizen 65.7%
Speaks English Less Than Very Well 1.9%
Foreign-Born Origin
Asia
62.5%
Africa
13.4%
Latin America
9.7%
Europe
9.3%

Veterans & Disability

Veteran 10.0%
With a Disability 14.8%
Cognitive Difficulty
Ambulatory Difficulty

Health Insurance

Insured 96.3%
Uninsured 3.7%
Employer Insurance
Medicaid
Medicare

Technology & Mobility

Broadband Internet 92.7%
Has a Computer 94.7%
Same House 1 Year Ago 90.4%
Moved from Abroad 0.2%

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

Compare Franklin County

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Where People Move From (IRS Migration Data)

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

Origin Tax Returns People (est.)
Williamson County 212 385
Other flows - South 101 189
Other flows - Midwest 63 118
Jefferson County 56 91
Jackson County 41 79
Perry County 36 62
Other flows - West 33 71
Saline County 23 48
Hamilton County 20 37