Johnson County, Indiana Demographics 2026

Name: Johnson County, Indiana Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Johnson County, Indiana has a population of 166,315, the 11th most populous county in Indiana. The median household income is $90,454 and the median home value is $284,600. The poverty rate is 7.4%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Johnson County Quick Facts

Population 166,315

Median Household Income $90,454

Median Home Value $284,600

Poverty Rate 7.4%

Unemployment Rate 3.0%

Median Age 38.0 years

Homeownership Rate 72.7%

Affordability Ratio 3.1x

Bachelor's Degree+ 34.7%

High School Graduation 92.3%

Cities/Places 8

Population 166,315 11th of 92

Median Income $90,454 26% higher than state

Poverty Rate 7.4%

Unemployment 3.0%

How Johnson County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	163,983	166,315	+1.4%
Median household income	$87,227	$90,454	+3.7%
Median home value	$260,400	$284,600	+9.3%

Median Household Income

Johnson

$90,454

$71,957

National

$80,734

Median Home Value

Johnson

$284,600

$218,200

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 10.0%

$25K-$50K 15.1%

$50K-$100K 30.6%

$100K+ 44.3%

Detailed income brackets

Under $10K

3.0%

$10K-$15K

1.8%

$15K-$20K

1.9%

$20K-$25K

3.2%

$25K-$30K

2.5%

$30K-$35K

2.8%

$35K-$40K

3.5%

$40K-$45K

3.7%

$45K-$50K

2.8%

$50K-$60K

6.0%

$60K-$75K

9.1%

$75K-$100K

15.5%

$100K-$125K

12.7%

$125K-$150K

9.1%

$150K-$200K

10.1%

$200K+

12.3%

Employment

3.0% Unemployment Rate State: 4.3%|National: 5.2%

66.8% Labor Force Participation

Housing Overview

Owner 72.7%

Renter 27.3%

Affordability Index Affordable

3.1x home value to income ratio

Median gross rent $1,271/mo 16.9% of median household income annually

People & Demographics

Age Distribution

Under 18

24.3%

18-34

21.5%

35-54

26.5%

55-74

21.2%

75+

6.5%

Race & Ethnicity

Diversity Index

Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 41 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Johnson County

City	Population	Median Income	Poverty	Home Value
Greenwood	66,029	$83,608	7.4%	$276,100
Franklin	26,168	$82,380	11.0%	$231,500
Bargersville	10,752	$114,231	11.9%	$438,900
New Whiteland	5,704	$89,918	3.3%	$211,800
Whiteland	5,173	$96,944	9.3%	$232,100
Edinburgh	4,381	$60,843	11.3%	$154,500
Trafalgar	1,469	$77,885	5.1%	$233,600
Prince's Lakes	1,188	$89,375	6.8%	$245,000

Explore Indiana Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Johnson County is located in Indiana with a total population of 166,315. It is the 11th most populous county out of 92 in Indiana. The county encompasses 8 Census-designated places.

Age Demographics

The median age in Johnson County is 38.0 years. This is about the same as the state median of 38.1 years.

Economy, Income & Housing

The median household income in Johnson County is $90,454. This is 26% higher than the state median of $71,957. It is also 12% higher than the national median of $80,734. The poverty rate stands at 7.4%. This is 40% lower than the state poverty rate of 12.3%. The unemployment rate is 3.0%. This is 30% lower than the state rate of 4.3%. The median home value is $284,600. Housing costs are 30% higher than the state median of $218,200. The home-value-to-income ratio is 3.1x. 72.7% of occupied housing units are owner-occupied. This homeownership rate is 3% higher than the state average of 70.5%.

Race & Ethnicity

The largest racial or ethnic group in Johnson County is White (non-Hispanic), making up 83.9% of the population. Asian residents account for 5.1%. The Black or African American population (3.2%) is well below the state average of 9.1%. The Hispanic or Latino population (4.3%) is well below the state average of 8.6%. The Asian population is significantly higher than the state average (5.1% vs 2.6%).

Education

34.7% of residents aged 25 and older hold a bachelor's degree or higher. This places Johnson County in the top 10% of all counties in the state for educational attainment. This is 18% higher than the state rate of 29.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.3%.

Data Sources & Methodology

All figures for Johnson County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Indiana and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Johnson County, Indiana?

Johnson County has a population of 166,315, making it the 11th most populous county in Indiana.

What is the median income in Johnson County?

The median household income in Johnson County is $90,454 with a poverty rate of 7.4%.

How many cities are in Johnson County, Indiana?

Johnson County contains 8 Census-designated places.