Population
257,181
2025
+5.7% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Warren County had an estimated 257,181 residents in 2025, up 5.7% (13,970 more people) since 2020. That is faster than Ohio as a whole (+0.9%), and the 6th fastest growth of 88 counties in Ohio.
Data as of 2025 · updated
14-day full refund · Stripe, Apple Pay or Google Pay · Instant PDF + CSV · Sold by Simply Stats LLC (NC)
How we compute every number · Refund terms
In the Warren County report
One-time $99 PDF: everything on this page for Warren County, ranked against Ohio and the U.S., plus these figures that are not on the free page:
What's inside: 5 pages
257,181
2025
+5.7% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
+909
2025
3.5 per 1,000 residents
+7,737 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.
4.1%
2025
+0.6 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
1,442
2025
+2.6% since 2021
5.6 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
$110,132
2020–24
+23.2% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
82,752
2023
−0.5% 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 909 people in 2025: more people moved in from other U.S. counties than moved out.
Private employers had 82,752 paid employees in mid-March 2023, −0.5% since 2018 (County Business Patterns).
Unemployment averaged 4.1% in 2025, 0.6 points higher than in 2019 (before the pandemic).
Builders were authorized to start 1,442 new homes in 2025, or 5.6 per 1,000 residents.
Median household income was $110,132 in the 2020–24 American Community Survey, +23.2% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 531st.
Part of the Cincinnati, OH-KY-IN metro area.
Email me when Warren County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
| Year | Population | Change |
|---|---|---|
| 2025 | 257,181 | +2,142 |
| 2024 | 255,039 | +2,046 |
| 2023 | 252,993 | +3,171 |
| 2022 | 249,822 | +3,100 |
| 2021 | 246,722 | +3,511 |
| 2020 | 243,211 | – |
Census Bureau population estimates, July 1 of each year.
Warren County grew by 13,970 people since 2020; the largest part came from domestic migration (+7,737).
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | +281 | +917 | |
| International migrationfrom and to other countries | +944 | +5,429 | |
| Domestic migrationfrom and to other U.S. counties | +909 | +7,737 | |
| Census adjustmentbalancing residual | +8 | −113 | |
| Total change | +2,142 | +13,970 |
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 | 6th of 88 | 531st of 3,107 |
| Net domestic migration per 1,000 residents | 34th of 88 | 1,290th of 3,108 |
| Private-sector job growth | 52nd of 88 | 1,949th of 3,092 |
| Median household income | 3rd of 88 | 96th of 3,107 |
| Lowest unemployment rate | 13th of 88 | 1,700th of 3,108 |
| New homes permitted per 1,000 residents | 9th of 88 | 510th 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 Warren 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.
Add 2 neighbouring counties for $50: the Hamilton County and Montgomery County reports too, $149 for all 3.
Preview page 1 of the Warren County report (free, PDF) · See a full 5-page sample (PDF) · Other counties and options
Every purchase also includes a CSV of every table in the report, ready for a spreadsheet.
Refund terms: Terms. · How we compute every number
Warren County grew faster than all 6 of its neighbouring counties (+5.7%, 2020–25).
Its median household income ($110,132, 2020–24) is higher than in all 6 of its neighbouring counties.
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Warren County, OH This county | 257,181 | +5.7% | 3.5 | 5.6 | $110,132 |
| Montgomery County, OH | 539,598 | +0.5% | 3.1 | 2.0 | $66,139 |
| Clinton County, OH | 42,301 | +0.6% | 4.5 | 2.4 | $70,407 |
| Greene County, OH | 174,322 | +3.7% | 10.7 | 3.3 | $87,309 |
| Clermont County, OH | 216,977 | +3.9% | 10.5 | 6.9 | $85,510 |
| Butler County, OH | 400,128 | +2.4% | 0.2 | 2.6 | $81,590 |
| Hamilton County, OH | 838,418 | +1.0% | −5.5 | 1.4 | $72,470 |
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 5.7% between 2020 and 2025, about 13,970 more people (Census Bureau population estimates). Ohio as a whole changed +0.9% over the same years. That ranks 6th of 88 counties in Ohio for population growth.
On net, about 909 people in 2025: that many more moved in from other U.S. counties than moved out (Census Bureau net domestic migration estimate).
It averaged 4.1% in 2025 (BLS Local Area Unemployment Statistics, annual average).
About 257,181 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
Private employers there had 82,752 paid employees in mid-March 2023, −0.5% 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 Warren 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.