Population
40,664
2025
−0.8% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Preble County had an estimated 40,664 residents in 2025, down 0.8% (343 fewer people) since 2020. That is slower than Ohio as a whole (+0.9%), and the 60th fastest growth of 88 counties in Ohio.
Data as of 2025 · updated
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In the Preble County report
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40,664
2025
−0.8% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
+76
2025
1.9 per 1,000 residents
+454 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
4.3%
2025
+0.4 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
45
2025
−6.2% since 2021
1.1 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
$69,223
2020–24
+12.9% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
10,532
2023
+14.1% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
Net domestic migration added 76 people in 2025: more people moved in from other U.S. counties than moved out.
Private employers had 10,532 paid employees in mid-March 2023, +14.1% since 2018 (County Business Patterns).
Unemployment averaged 4.3% in 2025, 0.4 points higher than in 2019 (before the pandemic).
Builders were authorized to start 45 new homes in 2025, or 1.1 per 1,000 residents.
Median household income was $69,223 in the 2020–24 American Community Survey, +12.9% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 2,145th.
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| Year | Population | Change |
|---|---|---|
| 2025 | 40,664 | −54 |
| 2024 | 40,718 | +157 |
| 2023 | 40,561 | +35 |
| 2022 | 40,526 | −345 |
| 2021 | 40,871 | −136 |
| 2020 | 41,007 | – |
Census Bureau population estimates, July 1 of each year.
Preble County lost 343 people since 2020 even though 454 more people moved in from other U.S. counties than left: deaths outnumbered births by 828, and net international migration added 26.
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | −133 | −828 | |
| International migrationfrom and to other countries | +1 | +26 | |
| Domestic migrationfrom and to other U.S. counties | +76 | +454 | |
| Census adjustmentbalancing residual | +2 | +5 | |
| Total change | −54 | −343 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
| Measure | In Ohio | Among U.S. counties |
|---|---|---|
| Population growth | 60th of 88 | 2,145th of 3,107 |
| Net domestic migration per 1,000 residents | 49th of 88 | 1,580th of 3,108 |
| Private-sector job growth | 8th of 88 | 407th of 3,092 |
| Median household income | 41st of 88 | 1,243rd of 3,107 |
| Lowest unemployment rate | 20th of 88 | 1,940th of 3,108 |
| New homes permitted per 1,000 residents | 54th of 88 | 2,030th of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
The County Growth and Demographics Report for Preble County, OH as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.
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Over 2020–25, Preble County's population change (−0.8%) was ahead of 1 of its 5 neighbouring counties and behind 4.
2 of its 5 neighbouring counties had a higher median household income than Preble County's $69,223 (2020–24).
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Preble County, OH This county | 40,664 | −0.8% | 1.9 | 1.1 | $69,223 |
| Butler County, OH | 400,128 | +2.4% | 0.2 | 2.6 | $81,590 |
| Union County, IN | 6,863 | −3.1% | −5.7 | 1.5 | $76,424 |
| Montgomery County, OH | 539,598 | +0.5% | 3.1 | 2.0 | $66,139 |
| Wayne County, IN | 66,169 | −0.5% | −0.3 | 4.1 | $55,692 |
| Darke County, OH | 51,520 | −0.7% | 0.9 | 1.1 | $64,486 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
No. Its population fell 0.8% between 2020 and 2025, about 343 fewer people (Census Bureau population estimates). Ohio as a whole changed +0.9% over the same years. That ranks 60th of 88 counties in Ohio for population growth.
On net, about 76 people in 2025: that many more moved in from other U.S. counties than moved out (Census Bureau net domestic migration estimate).
It averaged 4.3% in 2025 (BLS Local Area Unemployment Statistics, annual average).
About 40,664 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
Private employers there had 10,532 paid employees in mid-March 2023, +14.1% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other Ohio county pages carry the public federal growth figures.
Email me when Preble County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.