Population
38,292
2025
+0.1% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Defiance County had an estimated 38,292 residents in 2025, up 0.1% (24 more people) since 2020. That is slower than Ohio as a whole (+0.9%), and the 39th fastest growth of 88 counties in Ohio.
Data as of 2025 · updated
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38,292
2025
+0.1% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
−19
2025
−0.5 per 1,000 residents
+72 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.
4.5%
2025
+0.6 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
46
2025
+0.0% since 2021
1.2 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
$73,064
2020–24
+17.6% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
13,708
2023
+2.1% 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 was negative in 2025: 19 more people moved out to other U.S. counties than moved in.
Private employers had 13,708 paid employees in mid-March 2023, +2.1% since 2018 (County Business Patterns).
Unemployment averaged 4.5% in 2025, 0.6 points higher than in 2019 (before the pandemic).
Builders were authorized to start 46 new homes in 2025, or 1.2 per 1,000 residents.
Median household income was $73,064 in the 2020–24 American Community Survey, +17.6% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 1,844th.
Part of the Defiance, OH micro area.
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| Year | Population | Change |
|---|---|---|
| 2025 | 38,292 | −41 |
| 2024 | 38,333 | +32 |
| 2023 | 38,301 | +162 |
| 2022 | 38,139 | −38 |
| 2021 | 38,177 | −91 |
| 2020 | 38,268 | – |
Census Bureau population estimates, July 1 of each year.
Defiance County grew by 24 people since 2020; the largest part came from international migration (+291).
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | −20 | −333 | |
| International migrationfrom and to other countries | −3 | +291 | |
| Domestic migrationfrom and to other U.S. counties | −19 | +72 | |
| Census adjustmentbalancing residual | +1 | −6 | |
| Total change | −41 | +24 |
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 | 39th of 88 | 1,844th of 3,107 |
| Net domestic migration per 1,000 residents | 68th of 88 | 1,995th of 3,108 |
| Private-sector job growth | 40th of 88 | 1,577th of 3,092 |
| Median household income | 31st of 88 | 959th of 3,107 |
| Lowest unemployment rate | 31st of 88 | 2,132nd of 3,108 |
| New homes permitted per 1,000 residents | 50th of 88 | 1,961st of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
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Over 2020–25, Defiance County's population change (+0.1%) was ahead of 4 of its 6 neighbouring counties and behind 2 (DeKalb County, IN and Allen County, IN).
3 of its 6 neighbouring counties had a higher median household income than Defiance County's $73,064 (2020–24).
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Defiance County, OH This county | 38,292 | +0.1% | −0.5 | 1.2 | $73,064 |
| Paulding County, OH | 18,727 | −0.4% | −3.9 | 1.5 | $67,731 |
| Williams County, OH | 36,549 | −1.4% | −1.3 | 1.2 | $61,048 |
| Henry County, OH | 27,598 | −0.2% | 3.7 | 0.7 | $80,099 |
| Putnam County, OH | 34,380 | −0.0% | 2.9 | 2.6 | $84,928 |
| DeKalb County, IN | 44,535 | +2.9% | 1.8 | 2.6 | $74,331 |
| Allen County, IN | 402,329 | +4.2% | 2.0 | 3.4 | $70,737 |
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.
Yes. Its population grew 0.1% between 2020 and 2025, about 24 more people (Census Bureau population estimates). Ohio as a whole changed +0.9% over the same years. That ranks 39th of 88 counties in Ohio for population growth.
On net, none in 2025: about 19 more people moved out to other U.S. counties than moved in (Census Bureau net domestic migration estimate).
It averaged 4.5% in 2025 (BLS Local Area Unemployment Statistics, annual average).
About 38,292 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
Private employers there had 13,708 paid employees in mid-March 2023, +2.1% 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 Defiance 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.