Preble County, Ohio Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 61st-largest in Ohio
The population of Preble County, Ohio is 40,802 as of the 2023 American Community Survey, making it the 61st-largest county in Ohio. The median household income is $71,237, the median home value is $171,100, and the median age is 43.2.
The population of Preble County has declined 3.3% since 2010 (42,172 → 40,801), a -0.24% annualized rate.
40,802
Population
-0.24%
Annual growth
96
People / sq mi
$71,237
Median Income
$171,100
Median Home Value
Preble County covers 424 sq mi of land at 96.2 people per square mile.
About Preble County, OH
Homeownership is the standout figure in Preble County: 79.4% of homes are owner-occupied, higher than the national rate. With 40,802 residents, Preble County is a county in Ohio.
Households take in a median $71,237, comfortably below the US median of $78,538. Poverty runs at 8.7%, below the national 12.4%. Median home value is $171,100, with typical rent around $803.
Degree attainment is on the lower side for US counties: 17.9% of adults hold a bachelor’s degree, below the national 35.0%. Remote work is below the national 14.0% at 6.6%, and the average commute runs about 27 minutes each way.
The ownership rate anchors the housing story in Preble County, and tends to move with the age structure and home-value figures above.
Preble County Population History (2010-2024)
The county of Preble County had a population of 42,172 in 2010 and 40,801 in 2024, a -3.3% growth over 14 years. The peak was 42,172 in 2010. Average annual growth rate: -0.24%.
40,801
Population (2024)
42,172
Population (2010)
42,172
Peak (2010)
-0.24%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 42,172 |
| 2011 | 41,989 |
| 2012 | 41,821 |
| 2013 | 41,685 |
| 2014 | 41,509 |
| 2015 | 41,313 |
| 2016 | 41,148 |
| 2017 | 41,119 |
| 2018 | 41,023 |
| 2019 | 40,848 |
| 2020 | 41,016 |
| 2021 | 40,886 |
| 2022 | 40,557 |
| 2023 | 40,563 |
| 2024 | 40,801 |
Race & Ethnicity
| White | 95.7% |
| Black or African American | 0.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Age & Sex
43.2
Median Age
50.2%
Female
49.8%
Male
19.8%
Age 65+
Age Distribution
Children (under 15): 18.0% · Seniors (65+): 19.8%
Income & Poverty
| Median household income | $71,237+$1,557 vs state |
| Mean household income | $85,527 |
| Per-capita income | $35,232 |
| Poverty rate | 8.7%-0.5% vs state |
| Unemployment rate | 2.2% |
| Employment-to-population | 60.9% |
Top Industries by Employment
The largest employment sector in Preble County is professional & business services, accounting for 23.8% of workers.
How residents commute
0.0%
Drive alone
2.0%
Carpool
83.6%
Public transit
6.6%
Work from home
26.7 min
Avg commute
Housing
$171,100$-28,100 vs state
Median home value
$803
Median rent
79.4%
Homeownership rate
18,106
Total housing units
92.5%
Occupied
7.5%
Vacant
20.6%
Renter-occupied
Social & access
94.8%
With health insurance
92.0%
With broadband internet
23.5%
Foreign-born
8.3%
Veterans (18+)
15.4%
With a disability
98.7%
Speak language other than English at home
Education
92.6%
High School+
17.9%
Bachelor's+
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Part of Ohio
Metro areas in Ohio
County rankings
Frequently Asked Questions
Preble County, Ohio has a population of 40,802 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 61st-largest county in Ohio. Population density is 96 people per square mile.
The population of Preble County has declined 3.3% since 2010 (42,172 → 40,801), a -0.24% annualized rate.
The median household income in Preble County, Ohio is $71,237, with mean (average) household income of $85,527 and per-capita income of $35,232. 8.7% of residents live below the federal poverty level.
In Preble County, the largest racial and ethnic groups are White (95.7%), Hispanic or Latino (0.9%), Black or African American (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Preble County, Ohio is 43.2 years. Residents are 50.2% female and 49.8% male.
The median home value in Preble County is $171,100 and median monthly rent is $803. 79.4% of occupied housing units are owner-occupied. The county has 18,106 total housing units, 7.5% of which are vacant.
The largest employment sector in Preble County, Ohio is professional, scientific, and management services, employing 23.8% of workers. The unemployment rate is 2.2%.
Columbus is among the largest cities associated with Preble County, Ohio, with a population of 906,480.
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Statewide data for Ohio
Population, race, income, age, and trends across Ohio
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.