Franklin County, Illinois

16 cities & places have their primary county here.

Population: 37,541
Median household income: $53,471
Median home value: $87,700

Franklin County is a county in Illinois with a population of 37,541. 16 cities and places have their primary county here. At $53,471, its median household income sits below Illinois's $81,702.

Between 2019 and 2023, Franklin County's population declined 3.6% from 38,923 to 37,541, while its median household income rose 25.0% from $42,769 to $53,471.

78.4% of homes are single-family detached houses. The typical home was built around 1965.

Demographics

ACS 2019–2023

Population: 37,541
Median age: 43.4 yrs
Median household income: $53,471
Median home value: $87,700
Median gross rent: $771
Housing units: 18,468
Homeownership rate: 74.8%
Bachelor's degree or higher: 17.1%
Unemployment rate: 6.5%

Trends

ACS 5-year · 2019–2023

Population

38,92337,541

Median household income

$42,769$53,471

Median home value

$76,100$87,700

Median gross rent

$637$771

Year	Population	Median household income	Median home value	Median gross rent
2019	38,923	$42,769	$76,100	$637
2020	38,688	$43,671	$77,000	$645
2021	38,068	$47,751	$79,200	$645
2022	37,810	$51,031	$87,500	$725
2023	37,541	$53,471	$87,700	$771

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.7%

5 to 1716.5%

18 to 247.1%

25 to 3411.3%

35 to 4411.6%

45 to 5413.1%

55 to 6413.9%

65 to 7412.0%

75 and over8.7%

	Count	Share
Under 5	2,144	5.7%
5 to 17	6,179	16.5%
18 to 24	2,675	7.1%
25 to 34	4,255	11.3%
35 to 44	4,365	11.6%
45 to 54	4,907	13.1%
55 to 64	5,217	13.9%
65 to 74	4,522	12.0%
75 and over	3,277	8.7%

Race & ethnicity

	Count	Share
White (non-Hispanic)	35,470	94.5%
Black or African American	152	0.4%
American Indian & Alaska Native	29	0.1%
Asian	139	0.4%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	94	0.3%
Two or more races	948	2.5%
Hispanic or Latino (any race)	709	1.9%

Educational attainment (age 25+)

No high school diploma10.8%

High school graduate32.3%

Some college or associate's39.8%

Bachelor's degree11.7%

Graduate or professional degree5.4%

	Count	Share
No high school diploma	2,863	10.8%
High school graduate	8,584	32.3%
Some college or associate's	10,551	39.8%
Bachelor's degree	3,117	11.7%
Graduate or professional degree	1,428	5.4%

Commute to work

Mean travel time to work: 27 min

Drove alone80.1%

Carpooled9.6%

Public transit0.8%

Walked1.5%

Bicycle0.3%

Worked from home6.8%

Other means0.9%

How workers get to work

	Count	Share
Drove alone	12,454	80.1%
Carpooled	1,496	9.6%
Public transit	117	0.8%
Walked	240	1.5%
Bicycle	41	0.3%
Worked from home	1,058	6.8%
Other means	142	0.9%

Travel time

	Count	Share
Under 15 min	4,196	29.0%
15 to 29 min	4,452	30.7%
30 to 44 min	3,457	23.9%
45 to 59 min	1,431	9.9%
60+ min	954	6.6%

Households

Average household size: 2.30
Poverty rate: 16.9% (6,227 of 36,835)

	Count	Share
Family households	9,999	62.0%
Nonfamily households	6,131	38.0%

Housing

Median year structure built: 1965

Occupancy

	Count	Share
Occupied	16,130	87.3%
Vacant	2,338	12.7%

Tenure (of occupied units)

	Count	Share
Owner-occupied	12,060	74.8%
Renter-occupied	4,070	25.2%

1-unit, detached78.4%

1-unit, attached1.4%

2 to 4 units7.0%

5 to 19 units1.0%

20 or more units1.4%

Mobile home & other10.9%

Units in structure

	Count	Share
1-unit, detached	14,478	78.4%
1-unit, attached	252	1.4%
2 to 4 units	1,286	7.0%
5 to 19 units	188	1.0%
20 or more units	257	1.4%
Mobile home & other	2,007	10.9%

Geography

County GEOID: 17055
State: Illinois
Land area: 409 sq mi
Water area: 23 sq mi
Center point: 37.9919, -88.9263

Cities & places

Compare with nearby counties

Other counties in Illinois

101