Johnson County, IN demographics:
population, income, and more

Total population
166,315
1.4% year-over-year change
Median household income
$90,454/yr
3.7% year-over-year change
Housing units
65,915
1.7% year-over-year change

Johnson County population

How many people live in Johnson County

Johnson County is home to 166,315 residents, according to the most recent Census data. Gender-wise, 49.6% of Johnson County locals are male, and 50.4% are female.

Total population
166,315
1.4% year-over-year change
Gender ratio
Male
49.6%
82,539
Female
50.4%
83,776
Value Percent YoY change
Male 82,539 49.6% 1.6%
Female 83,776 50.4% 1.2%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Johnson County is 38, with the population distributed as follows: about 20% are children under 15, then 12.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.6% of the population, while another 24.4% fall into the 45 to 64 bracket. Finally, around 15.7% are 65 or older.

Median age
38
Age breakdown
Under 15
20%
15 to 24
12.4%
25 to 44
27.6%
45 to 64
24.4%
Over 65
15.7%
Value Percent YoY change
Under 15 33,191 20% 0.7%
15 to 24 20,596 12.4% -0.3%
25 to 44 45,819 27.6% 2.3%
45 to 64 40,524 24.4% 0.5%
Over 65 26,185 15.7% 3.6%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Johnson County, 93.3% of the population are US-born citizens, while 4.1% have gained naturalized citizenship. At the same time, 2.6% of residents are non-citizens. As for race, 84.6% of locals are Caucasian, 3.3% are African American and 5.1% have Asian roots. There’s also a share of 5.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
93.3%
Non-U.S.-born citizens
4.1%
Non-citizens
2.6%
Value Percent YoY change
U.S.-born citizens 155,130 93.3% 0.8%
Non-U.S.-born citizens 6,811 4.1% 16.1%
Non-citizens 4,374 2.6% 3.9%
Racial breakdown
White
84.6%
Black or African American
3.3%
American Indian and Alaska Native
0.5%
Asian
5.1%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.1%
Other
1.3%
Value Percent
White 140,778 84.6%
Black or African American 5,461 3.3%
American Indian and Alaska Native 806 0.5%
Asian 8,542 5.1%
Native Hawaiian and other Pacific Islander 69 0%
Two or more races 8,514 5.1%
Other 2,145 1.3%

Households in Johnson County

A peek inside Johnson County households

Johnson County has 62,554 households, with an average of 3 members in each. Of these, 69.7% are families, while the remaining 30.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
62,554
1.7% year-over-year change
Average people per household
3
Non-family households
18,981
Family households
43,573
Value Percent YoY change
Non-family households 18,981 30.3% 3.6%
Family households 43,573 69.7% 0.9%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Johnson County

The housing landscape of Johnson County

Johnson County's housing consists of 65,915 units, with 76.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 5.4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 2.4% of the housing landscape.

Housing units
65,915
1.7% year-over-year change
Housing types
Value Percent
1 unit, detached 50,585 76.7%
1 unit, attached 3,556 5.4%
2 units 746 1.1%
3 or 4 units 1,695 2.6%
5 to 9 units 2,784 4.2%
10 to 19 units 2,311 3.5%
20 to 49 units 1,477 2.2%
50 or more units 1,172 1.8%
Mobile home 1,589 2.4%
Homes built since 2020
1,917
71.6% year-over-year change

The age of buildings in Johnson County

In Johnson County, the median construction year is 1993. About 5.5% of homes were built before the 1940s, with another 2.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 20.5% of homes were added from 2000 to 2009, 12.8% between 2010 and 2019, and 2.9% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 3,599 5.5% -0.6%
Built between 1940 and 1949 1,577 2.4% 2.4%
Built between 1950 and 1959 4,918 7.5% 6.4%
Built between 1960 and 1969 4,647 7% 3.4%
Built between 1970 and 1979 8,032 12.2% -2.9%
Built between 1980 and 1989 6,977 10.6% -4.1%
Built between 1990 and 1999 12,323 18.7% -8.0%
Built between 2000 and 2009 13,489 20.5% 2.8%
Built between 2010 and 2019 8,436 12.8% 15.1%
Built in 2020 or later 1,917 2.9% 71.6%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Johnson County occupancy rates

Out of the 62,554 occupied housing units in Johnson County, 72.7% are owner-occupied, while 27.3% are lived in by tenants. Meanwhile, 5.1% of all homes on the local market sit vacant.

Occupied housing units
62,554
1.7% year-over-year change
Occupancy breakdown
Renter occupied
17,061
Owner occupied
45,493
Value Percent YoY
change
Renter occupied 17,061 27.3% 6.4%
Owner occupied 45,493 72.7% 0.0%
Unoccupied housing units
5.1%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Johnson County housing costs

Housing costs in Johnson County come to a median of $1,266 per month, while tenants specifically pay a median gross rent of $1,271.

Median housing costs per month
$1,266/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Johnson County
$1,271/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Johnson County

Johnson County education at a glance

About 35.3% of the population in Johnson County went to high school, while 21.1% pursued college studies. Another 8.4% earned an associate degree and 20.3% hold a bachelor’s. Meanwhile, 12.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 3,416 2.7% 10.7%
High school diploma 44,444 35.3% -3.2%
College diploma 26,529 21.1% -0.1%
Associate degree 10,619 8.4% 7.8%
Bachelor's degree 25,519 20.3% 3.4%
Graduate degree 15,427 12.2% 11.5%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Johnson County

How much people earn in Johnson County

The average annual household income in Johnson County was $113,915 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.6% change from the previous year. At the same time, the median income stood at $90,454, reflecting a +3.7% shift over the same period.

Average household income in Johnson County
$113,915/year
2.5% year-over-year change
Median household income in Johnson County
$90,454/year
3.7% year-over-year change

Johnson County income by age

In Johnson County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $100,932. Those with someone between 45 and 64 in charge, often well established professionally, earn $114,816 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $54,071, while those led by someone over 65, many of whom may be retired, have about $60,044 in earnings. Overall, 92.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $54,071 -11.4%
25 - 44 $100,932 2.9%
45 - 64 $114,816 4.3%
Over 65 $60,044 4.8%
Above poverty level
149,357
Below poverty level
11,906
Value Percent YoY
change
Above poverty level 149,357 92.6% 1.3%
Below poverty level 11,906 7.4% 5.2%

Employment in Johnson County

Workforce and job types in Johnson County

The job market in Johnson County is powered by 84,499 working residents, spread across a range of industries and roles. 77.9% of the working population are employed in professional or administrative positions, while 22.1% are in hands-on or service-based jobs. Also, 8.3% run their own businesses, 69.5% are employed by private companies, and 11.8% work in the public sector.

Workforce demographics

Working population
84,499
2.3% year-over-year change
White collar
65,831
Blue collar
18,668
Value Percent YoY change
White collar 65,831 77.9% 2.6%
Blue collar 18,668 22.1% 1.4%
Employer type
Self employees
8.3%
Private companies
69.5%
Governmental workers
11.8%
Not for profit companies
10.5%
Value Percent YoY change
Self employees 6,986 8.3% -8.7%
Private companies 58,719 69.5% 3.1%
Governmental workers 9,949 11.8% -1.7%
Not for profit companies 8,845 10.5% 12.7%
Unemployment rate
3.0%
2.4% year-over-year change

Available workforce

The unemployment rate in Johnson County stands at 3%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Johnson County

How people get around in Johnson County

Commuting methods vary: 83.5% of residents travel by personal vehicle and 0.9% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 69,923 83.5% 0.9%
Taxicab 70 0.1% 22.8%
Bus or trolleybus 179 0.2% 14.7%
Ferryboat 3 0% -40.0%
Motorcycle 49 0.1% 69.0%
Bicycle 53 0.1% 103.8%
Walk 730 0.9% 5.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Johnson County by zipcode?

Zipcode Population Number of households Median income Average income
46124 7,304 2,965 $64,466 $81,143
46131 34,647 12,494 $85,076 $103,755
46142 34,348 13,569 $89,001 $111,793
46143 61,803 23,329 $91,496 $116,290
46160 6,514 2,559 $76,445 $95,198
46162 227 93 $117,969 $106,440
46164 3,840 1,650 $85,735 $118,840
46181 4,964 1,862 $91,337 $128,921
46184 13,304 4,729 $99,865 $105,235
46106 10,159 3,614 $120,072 $161,599

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FAQs about Johnson County demographics 

What is the total population of Johnson County?

Johnson County has a total population of 166,315 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +1.4% compared to a year ago.

What is the gender ratio in Johnson County?

The gender ratio in Johnson County is as follows:
  • 49.6% males (82,539 residents)
  • 50.4% females (83,776 residents)

What is the median age in Johnson County?

The median age in Johnson County is 38.

What is the age distribution of the population in Johnson County?

The age distribution in Johnson County is as follows:
  • Under 15: 20% (33,191 residents)
  • Ages 15-24: 12.4% (20,596 residents)
  • Ages 25-44: 27.6% (45,819 residents)
  • Ages 45-64: 24.4% (40,524 residents)
  • Over 65: 15.7% (26,185 residents)

What is the racial and ethnic makeup of Johnson County?

The racial and ethnic makeup of Johnson County is as follows:
  • White: 84.6% (140,778 residents)
  • Black or African American: 3.3% (5,461 residents)
  • American Indian and Alaska Native: 0.5% (806 residents)
  • Asian: 5.1% (8,542 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (69 residents)
  • Two or More Races: 5.1% (8,514 residents)
  • Other: 1.3% (2,145 residents)

What percentage of the population in Johnson County are U.S.-born citizens?

U.S.-born citizens represent 93.3% of the population in Johnson County.

How many housing units are there in Johnson County?

There are 65,915 housing units in Johnson County, reflecting a +1.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Johnson County and what is the average household size?

Johnson County has a total of 62,554 households, with an average of 3 people in each.

What is the median household income in Johnson County?

Johnson County has a median household income of $90,454, representing a +3.7% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Johnson County?

The employment rate is 97% in Johnson County, with a workforce of 84,499 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 77.9% (65,831 residents)
  • Blue-collar workers: 22.1% (18,668 residents)

Places of employment:
  • Self-employed: 8.3% (6,986 residents)
  • Private companies: 69.5% (58,719 residents)
  • Governmental workers: 11.8% (9,949 residents)
  • Not-for-profit companies: 10.5% (8,845 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025