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+
Largest cities in Ohio
Other counties in Ohio
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.
Preble County, OH Climate
Preble County, OH has an average annual temperature of 10.5°C (51°F) and receives about 1018 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.5°C
Avg Temp
1018
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -4° / 26° | 61 mm |
| February | -1° / 29° | 60 mm |
| March | 4° / 40° | 92 mm |
| April | 10° / 50° | 99 mm |
| May | 16° / 61° | 115 mm |
| June | 21° / 70° | 92 mm |
| July | 23° / 73° | 102 mm |
| August | 22° / 71° | 89 mm |
| September | 18° / 65° | 71 mm |
| October | 12° / 53° | 72 mm |
| November | 6° / 42° | 85 mm |
| December | 0° / 31° | 80 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Preble County, OH
The most comfortable months to visit Preble County, OH are typically June, August and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -8°C low). May is usually the wettest month.
Where to stay near Preble County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.