Demographics of Preble County, Ohio

Preble County, Ohio had 40,664 people on July 1, 2025, by the Census Bureau’s estimate: −343 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Preble County, in four figures

40,664
Population: July 1, 2025, Vintage 2025 estimate.; −0.8%
Change since July 2020: −343 people.; 43.3 ±0.6
Median age: ACS 2020–⁠2024.; $69,223 ±$3,243
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Preble County, Ohio's population shrank 0.8% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Preble County, Ohio's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Preble County, Ohio's population shrank 0.8% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Preble County, Ohio's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	41,007	100.0	100.0
2021	40,871	99.7	100.2
2022	40,526	98.8	100.7
2023	40,561	98.9	101.6
2024	40,718	99.3	102.5
2025	40,664	99.2	103.1

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Population of Preble County, Ohio on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	41,007	+8	−16	0	+13
2021	40,871	−136	−227	+5	+51
2022	40,526	−345	−247	+7	−89
2023	40,561	+35	−85	+5	+125
2024	40,718	+157	−136	+8	+291
2025	40,664	−54	−133	+1	+76

Age, 2020–2024

The median age is 43.3 ±0.6: for men 42.3 ±0.9 and for women 44.2 ±0.6. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Preble County by age, ACS 2020–2024
Age	People	Share	Ohio	United States
Under 5	2,170 ±65	5.3% ±0.2	5.7% ±<0.1	5.6% ±<0.1
5 to 17	6,873 ±352	16.9% ±0.9	16.3% ±0.1	16.3% ±<0.1
18 to 24	3,020 ±266	7.4% ±0.7	8.9% ±0.1	9.1% ±<0.1
25 to 44	9,326 ±380	22.9% ±0.9	25.7% ±0.1	26.9% ±<0.1
45 to 64	11,078 ±368	27.2% ±0.9	25.1% ±0.1	24.8% ±<0.1
65 and over	8,298 ±431	20.4% ±1.1	18.3% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $69,223 ±$3,243, and income per person $34,711 ±$1,389, in 2024 dollars. The median is $71,389 ±$321 in Ohio and $80,734 ±$166 in the United States.

Households by income

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Households in Preble County by income, ACS 2020–2024
Household income	Households	Share	Ohio	United States
Under $25,000	2,420 ±317	14.5% ±1.9	16.3% ±0.2	14.6% ±<0.1
$25,000 to $49,999	3,544 ±377	21.2% ±2.2	19.1% ±0.2	16.7% ±<0.1
$50,000 to $74,999	2,994 ±273	17.9% ±1.6	16.9% ±0.1	15.5% ±<0.1
$75,000 to $99,999	2,569 ±315	15.4% ±1.9	13.1% ±0.1	12.6% ±<0.1
$100,000 to $149,999	3,336 ±348	19.9% ±2.1	17.1% ±0.1	17.5% ±<0.1
$150,000 to $199,999	1,221 ±243	7.3% ±1.4	8.3% ±0.1	9.6% ±<0.1
$200,000 or more	641 ±143	3.8% ±0.9	9.1% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Preble County by age, ACS 2020–2024
Age	Below poverty	Rate	Ohio	United States
All ages	5,084 ±692	12.6% ±1.7	13.3% ±0.2	12.5% ±0.1
Under 18	1,683 ±228	18.9% ±2.4	17.8% ±0.3	16.1% ±0.1
18 to 59	2,268 ±366	11.1% ±1.8	12.7% ±0.2	11.6% ±0.1
60 and over	1,133 ±233	10.3% ±2.1	10.6% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Preble County, ACS 2020–2024
Measure	Preble County	Ohio	United States
Housing units	18,140 ±47	5,292,391 ±464	143,775,355 ±10,234
Occupied	92.2% ±1.3	91.9% ±0.2	89.9% ±0.1
Vacant	7.8% ±1.4	8.1% ±0.2	10.1% ±0.1
Owner occupied	79.7% ±2.1	67.2% ±0.3	65.2% ±0.3
Renter occupied	20.3% ±1.9	32.8% ±0.2	34.8% ±0.1
Median home value	$180,900 ±$7,668	$214,800 ±$742	$332,700 ±$236
Median gross rent	$794 ±$39	$1,034 ±$5	$1,413 ±$2
Median year built	1972 ±3	1970 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Preble County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Ohio	United States
Hispanic or Latino	465 ±0	1.1% ±<0.1	4.8% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	38,721 ±143	95.0% ±0.4	75.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	268 ±106	0.7% ±0.3	12.0% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	3 to 103	< 0.1% to 0.3%	2.5% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 17	0% to < 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 27	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	29 to 219	0.1% to 0.5%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,126 ±183	2.8% ±0.4	4.3% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Preble County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Ohio	United States
Born in the state	30,905 ±639	75.8% ±1.6	74.6% ±0.1	57.3% ±<0.1
Born in another state	9,446 ±657	23.2% ±1.6	19.2% ±0.1	26.9% ±<0.1
Born a citizen outside the states	67 to 279	0.2% to 0.7%	1.0% ±<0.1	1.7% ±<0.1
Born abroad	241 ±66	0.6% ±0.2	5.2% ±0.1	14.1% ±<0.1
Naturalized citizens	132 ±52	0.3% ±0.1	2.8% ±<0.1	7.4% ±<0.1
Not citizens	109 ±44	0.3% ±0.1	2.5% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Preble County among the counties of Ohio

61st of 88 by population, July 2025. Every one is listed on the Ohio page.

Counties of Ohio near Preble County in population, July 2025
County	July 2025	Change since 2020
Highland County	43,823	+1.1%
Mercer County	42,737	+0.5%
Clinton County	42,301	+0.6%
Crawford County	41,896	−0.3%
Fulton County	41,853	−1.9%
Preble County	40,664	−0.8%
Ottawa County	39,481	−2.0%
Champaign County	38,820	+0.2%
Guernsey County	38,379	−0.1%
Defiance County	38,292	+0.1%
Coshocton County	37,188	+1.6%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026