Dearborn County, Indiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 28th-largest in Indiana
The population of Dearborn County, Indiana is 50,828 as of the 2023 American Community Survey, making it the 28th-largest county in Indiana. The median household income is $82,693, the median home value is $227,100, and the median age is 41.8.
The population of Dearborn County has grown 2.7% since 2010 (50,082 → 51,435), a +0.19% annualized rate.
50,828
Population
+0.19%
Annual growth
167
People / sq mi
$82,693
Median Income
$227,100
Median Home Value
Dearborn County covers 305 sq mi of land at 166.6 people per square mile.
About Dearborn County, IN
Dearborn County is a county in Indiana with a population of 50,828. It ranks #28 among counties in Indiana by population. The median age is 41.8, older than the national median. The population is 49.9% male and 50.1% female.
The median household income in Dearborn County is $82,693, above the US median of $74,580. 5.3% of residents live below the federal poverty level. Home values sit at a median of $227,100, with monthly rent averaging $848. The homeownership rate of 84.7% is higher than the national rate of 64.8%.
Educational attainment in Dearborn County reflects 26.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.5% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 30.1 minutes each way.
Dearborn County Population History (2010-2024)
The county of Dearborn County had a population of 50,082 in 2010 and 51,435 in 2024, a 2.7% growth over 14 years. The peak was 51,435 in 2024. Average annual growth rate: 0.19%.
51,435
Population (2024)
50,082
Population (2010)
51,435
Peak (2024)
0.19%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 50,082 |
| 2011 | 49,990 |
| 2012 | 49,742 |
| 2013 | 49,757 |
| 2014 | 49,448 |
| 2015 | 49,491 |
| 2016 | 49,468 |
| 2017 | 49,634 |
| 2018 | 49,560 |
| 2019 | 49,573 |
| 2020 | 50,756 |
| 2021 | 50,888 |
| 2022 | 50,976 |
| 2023 | 51,414 |
| 2024 | 51,435 |
Race & Ethnicity
| White | 95.2% |
| Black or African American | 0.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Age & Sex
41.8
Median Age
50.1%
Female
49.9%
Male
18.7%
Age 65+
Age Distribution
Children (under 15): 17.9% · Seniors (65+): 18.7%
Income & Poverty
| Median household income | $82,693+$12,642 vs state |
| Mean household income | $96,630 |
| Per-capita income | $38,711 |
| Poverty rate | 5.3%-3.1% vs state |
| Unemployment rate | 1.5% |
| Employment-to-population | 62.1% |
Top Industries by Employment
The largest employment sector in Dearborn County is professional & business services, accounting for 23.6% of workers.
How residents commute
0.2%
Drive alone
1.1%
Carpool
79.4%
Public transit
8.5%
Work from home
30.1 min
Avg commute
Housing
$227,100+$25,500 vs state
Median home value
$848
Median rent
84.7%
Homeownership rate
20,965
Total housing units
96.1%
Occupied
3.9%
Vacant
15.3%
Renter-occupied
Social & access
95.2%
With health insurance
93.6%
With broadband internet
60.5%
Foreign-born
7.8%
Veterans (18+)
14.5%
With a disability
98.3%
Speak language other than English at home
Education
91.2%
High School+
26.0%
Bachelor's+
Largest cities in Indiana
Other counties in Indiana
Part of Indiana
Metro areas in Indiana
County rankings
Frequently Asked Questions
Dearborn County, Indiana has a population of 50,828 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 28th-largest county in Indiana. Population density is 167 people per square mile.
The population of Dearborn County has grown 2.7% since 2010 (50,082 → 51,435), a +0.19% annualized rate.
The median household income in Dearborn County, Indiana is $82,693, with mean (average) household income of $96,630 and per-capita income of $38,711. 5.3% of residents live below the federal poverty level.
In Dearborn County, the largest racial and ethnic groups are White (95.2%), Hispanic or Latino (0.7%), Black or African American (0.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Dearborn County, Indiana is 41.8 years. Residents are 50.1% female and 49.9% male.
The median home value in Dearborn County is $227,100 and median monthly rent is $848. 84.7% of occupied housing units are owner-occupied. The county has 20,965 total housing units, 3.9% of which are vacant.
The largest employment sector in Dearborn County, Indiana is professional, scientific, and management services, employing 23.6% of workers. The unemployment rate is 1.5%.
Indianapolis is among the largest cities associated with Dearborn County, Indiana, with a population of 882,043.
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Statewide data for Indiana
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.