Johnson County, Indiana Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 11th-largest in Indiana

The population of Johnson County, Indiana is 163,983 as of the 2023 American Community Survey, making it the 11th-largest county in Indiana. The median household income is $87,227, the median home value is $260,400, and the median age is 38.1.

The population of Johnson County has grown 21.6% since 2010 (140,269 → 170,614), a +1.41% annualized rate.

Johnson County within Indiana · Source: US Census TIGER/Line via us-atlas

163,983

Population

+1.41%

Annual growth

512

People / sq mi

$87,227

Median Income

$260,400

Median Home Value

Johnson County covers 320 sq mi of land at 511.8 people per square mile.

About Johnson County, IN

Johnson County is a county in Indiana with a population of 163,983. It ranks #11 among counties in Indiana by population. The median age is 38.1, in line with the national median. The population is 49.5% male and 50.5% female.

The median household income in Johnson County is $87,227, above the US median of $74,580. 5.4% of residents live below the federal poverty level. Home values sit at a median of $260,400, with monthly rent averaging $1,208. The homeownership rate of 73.9% is higher than the national rate of 64.8%.

Educational attainment in Johnson County reflects 33.3% of adults 25 and older holding a bachelor's degree or higher, near the national average of 34.3%. Roughly 13.4% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 26.2 minutes each way.

Johnson County Population History (2010-2024)

The county of Johnson County had a population of 140,269 in 2010 and 170,614 in 2024, a 21.6% growth over 14 years. The peak was 170,614 in 2024. Average annual growth rate: 1.41%.

170,614

Population (2024)

140,269

Population (2010)

170,614

Peak (2024)

1.41%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	140,269	-	-	estimate
2011	141,747	+1,478	+1.05%	estimate
2012	143,502	+1,755	+1.24%	estimate
2013	145,448	+1,946	+1.36%	estimate
2014	147,129	+1,681	+1.16%	estimate
2015	149,021	+1,892	+1.29%	estimate
2016	151,621	+2,600	+1.74%	estimate
2017	153,879	+2,258	+1.49%	estimate
2018	156,301	+2,422	+1.57%	estimate
2019	158,332	+2,031	+1.30%	estimate
2020	162,263	+3,931	+2.48%	estimate
2021	164,440	+2,177	+1.34%	estimate
2022	165,951	+1,511	+0.92%	estimate
2023	168,305	+2,354	+1.42%	estimate
2024	170,614	+2,309	+1.37%	estimate

Race & Ethnicity

White	86.2%
Black or African American	3.1%
Asian	0.0%
Hispanic or Latino (any race)	0.8%
Two or More Races	0.0%

Age & Sex

38.1

Median Age

50.5%

Female

49.5%

Male

15.4%

Age 65+

Age Distribution

Under 5

6.1%

5–9

6.4%

10–14

7.7%

15–19

6.5%

20–24

6.1%

25–34

13.3%

35–44

14.0%

45–54

12.4%

55–59

6.3%

60–64

5.9%

65–74

9.1%

75–84

4.4%

85+

1.9%

Children (under 15): 20.2% · Seniors (65+): 15.4%

Income & Poverty

Median household income	$87,227+$17,176 vs state
Mean household income	$111,087
Per-capita income	$42,884
Poverty rate	5.4%-3.0% vs state
Unemployment rate	2.0%
Employment-to-population	64.2%

Top Industries by Employment

Professional & business services

24.5%

Manufacturing

13.1%

Finance & real estate

10.6%

Construction

7.1%

Retail trade

6.8%

Education & health care

6.5%

Information

6.2%

Arts, entertainment & food

4.8%

The largest employment sector in Johnson County is professional & business services, accounting for 24.5% of workers.

How residents commute

0.2%

Drive alone

0.8%

Carpool

77.5%

Public transit

13.4%

Work from home

26.2 min

Avg commute

Housing

$260,400+$58,800 vs state

Median home value

$1,208

Median rent

73.9%

Homeownership rate

64,800

Total housing units

94.9%

Occupied

5.1%

Vacant

26.1%

Renter-occupied

Social & access

95.2%

With health insurance

95.6%

With broadband internet

23.5%

Foreign-born

6.2%

Veterans (18+)

11.3%

With a disability

92.3%

Speak language other than English at home

Education

92.7%

High School+

33.3%

Bachelor's+

Largest cities in Indiana

Indianapolis (882,043)Fort Wayne (266,235)Evansville (116,441)South Bend (102,866)Fishers (100,918)Carmel (100,501)Bloomington (78,791)Hammond (77,098)Noblesville (71,940)Lafayette (70,650)All Indiana cities →

Other counties in Indiana

Marion County (971,822)Lake County (498,990)Allen County (388,791)Hamilton County (357,176)St. Joseph County (272,574)Elkhart County (206,868)Tippecanoe County (187,399)Vanderburgh County (179,908)Hendricks County (179,379)Porter County (174,150)All Indiana counties →

Part of Indiana

Indiana demographic profile All Indiana data →

Metro areas in Indiana

Chicago (9,359,555)Cincinnati (2,255,257)Indianapolis (2,106,327)Louisville/Jefferson County (1,361,847)Fort Wayne (451,440)South Bend (324,180)Evansville (269,721)Lafayette (225,019)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Johnson County, Indiana has a population of 163,983 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 11th-largest county in Indiana. Population density is 512 people per square mile.

The population of Johnson County has grown 21.6% since 2010 (140,269 → 170,614), a +1.41% annualized rate.

The median household income in Johnson County, Indiana is $87,227, with mean (average) household income of $111,087 and per-capita income of $42,884. 5.4% of residents live below the federal poverty level.

In Johnson County, the largest racial and ethnic groups are White (86.2%), Black or African American (3.1%), Hispanic or Latino (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Johnson County, Indiana is 38.1 years. Residents are 50.5% female and 49.5% male.

The median home value in Johnson County is $260,400 and median monthly rent is $1,208. 73.9% of occupied housing units are owner-occupied. The county has 64,800 total housing units, 5.1% of which are vacant.

The largest employment sector in Johnson County, Indiana is professional, scientific, and management services, employing 24.5% of workers. The unemployment rate is 2.0%.

Indianapolis is among the largest cities associated with Johnson County, Indiana, with a population of 882,043.