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 distinguished by its share of foreign-born residents, 60.5% of the population. With 50,828 residents, Dearborn County is a county in Indiana. It ranks #28 among counties in Indiana by population.
Households take in a median $82,693, comfortably above the US median of $78,538. The poverty rate, 5.3%, is on the lower side for US counties and below the national 12.4%. The median home value is $227,100, with typical rent around $848.
26.0% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. About 8.5% of the workforce is home-based, below the national 14.0%, and the average commute runs about 30 minutes each way.
The large foreign-born share is a defining thread in Dearborn County, shaping language, household composition, and the labor force behind the economic figures above.
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.