Clark County, Indiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 14th-largest in Indiana
The population of Clark County, Indiana is 122,800 as of the 2023 American Community Survey, making it the 14th-largest county in Indiana. The median household income is $72,298, the median home value is $212,400, and the median age is 39.8.
The population of Clark County has grown 15.3% since 2010 (110,572 → 127,479), a +1.02% annualized rate.
122,800
Population
+1.02%
Annual growth
330
People / sq mi
$72,298
Median Income
$212,400
Median Home Value
Clark County covers 372 sq mi of land at 329.7 people per square mile.
About Clark County, IN
Clark County is distinguished by its share of foreign-born residents, 46.0% of the population. With 122,800 residents, Clark County is a county in Indiana. It ranks #14 among counties in Indiana by population.
The typical household earns $72,298 a year, below the US median of $78,538. Only 6.3% of residents live in poverty, below the national 12.4%. The typical home is valued at $212,400, with typical rent around $1,058.
25.5% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is on the higher side at 10.8%, below the national 14.0%, and the average commute runs about 22 minutes each way.
The large foreign-born share is a defining thread in Clark County, shaping language, household composition, and the labor force behind the economic figures above.
Clark County Population History (2010-2024)
The county of Clark County had a population of 110,572 in 2010 and 127,479 in 2024, a 15.3% growth over 14 years. The peak was 127,479 in 2024. Average annual growth rate: 1.02%.
127,479
Population (2024)
110,572
Population (2010)
127,479
Peak (2024)
1.02%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 110,572 |
| 2011 | 111,504 |
| 2012 | 111,879 |
| 2013 | 112,722 |
| 2014 | 114,082 |
| 2015 | 114,887 |
| 2016 | 115,660 |
| 2017 | 116,648 |
| 2018 | 117,287 |
| 2019 | 118,191 |
| 2020 | 121,377 |
| 2021 | 122,922 |
| 2022 | 124,306 |
| 2023 | 125,686 |
| 2024 | 127,479 |
Race & Ethnicity
| White | 83.3% |
| Black or African American | 7.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.5% |
| Two or More Races | 0.0% |
Age & Sex
39.8
Median Age
50.9%
Female
49.1%
Male
16.5%
Age 65+
Age Distribution
Children (under 15): 18.5% · Seniors (65+): 16.5%
Income & Poverty
| Median household income | $72,298+$2,247 vs state |
| Mean household income | $88,653 |
| Per-capita income | $36,386 |
| Poverty rate | 6.3%-2.1% vs state |
| Unemployment rate | 2.5% |
| Employment-to-population | 63.7% |
Top Industries by Employment
The largest employment sector in Clark County is professional & business services, accounting for 20.6% of workers.
How residents commute
0.3%
Drive alone
1.0%
Carpool
79.0%
Public transit
10.8%
Work from home
22.4 min
Avg commute
Housing
$212,400+$10,800 vs state
Median home value
$1,058
Median rent
75.0%
Homeownership rate
53,854
Total housing units
91.3%
Occupied
8.7%
Vacant
25.0%
Renter-occupied
Social & access
93.7%
With health insurance
94.6%
With broadband internet
46.0%
Foreign-born
7.6%
Veterans (18+)
15.0%
With a disability
93.8%
Speak language other than English at home
Education
90.7%
High School+
25.5%
Bachelor's+
Largest cities in Indiana
Other counties in Indiana
Part of Indiana
Metro areas in Indiana
County rankings
Frequently Asked Questions
Clark County, Indiana has a population of 122,800 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 14th-largest county in Indiana. Population density is 330 people per square mile.
The population of Clark County has grown 15.3% since 2010 (110,572 → 127,479), a +1.02% annualized rate.
The median household income in Clark County, Indiana is $72,298, with mean (average) household income of $88,653 and per-capita income of $36,386. 6.3% of residents live below the federal poverty level.
In Clark County, the largest racial and ethnic groups are White (83.3%), Black or African American (7.0%), Hispanic or Latino (1.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Clark County, Indiana is 39.8 years. Residents are 50.9% female and 49.1% male.
The median home value in Clark County is $212,400 and median monthly rent is $1,058. 75.0% of occupied housing units are owner-occupied. The county has 53,854 total housing units, 8.7% of which are vacant.
The largest employment sector in Clark County, Indiana is professional, scientific, and management services, employing 20.6% of workers. The unemployment rate is 2.5%.
Indianapolis is among the largest cities associated with Clark County, Indiana, with a population of 882,043.
Clark County, IN Climate
Clark County, IN has an average annual temperature of 12.7°C (55°F) and receives about 1150 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.7°C
Avg Temp
1150
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -1° / 31° | 79 mm |
| February | 2° / 35° | 76 mm |
| March | 7° / 45° | 107 mm |
| April | 12° / 54° | 112 mm |
| May | 18° / 64° | 119 mm |
| June | 22° / 72° | 99 mm |
| July | 25° / 76° | 114 mm |
| August | 24° / 75° | 100 mm |
| September | 20° / 68° | 74 mm |
| October | 13° / 56° | 75 mm |
| November | 8° / 46° | 98 mm |
| December | 2° / 36° | 97 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Clark County, IN
The most comfortable months to visit Clark County, IN are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near -5°C low). May is usually the wettest month.
Where to stay near Clark County
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Population, race, income, age, and trends across Indiana
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.