Demographics of Allen County, Ohio

Allen County, Ohio had 100,881 people on July 1, 2025, by the Census Bureau’s estimate: −1,235 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.

Allen County, in four figures

100,881
Population: July 1, 2025, Vintage 2025 estimate.; −1.2%
Change since July 2020: −1,235 people.; 39.7 ±0.3
Median age: ACS 2020–⁠2024.; $64,038 ±$1,778
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.

Allen County, Ohio's population shrank 1.2% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Allen 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

Allen County, Ohio's population shrank 1.2% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Allen 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	102,116	100.0	100.0
2021	101,705	99.6	100.2
2022	100,974	98.9	100.7
2023	100,810	98.7	101.6
2024	100,952	98.9	102.5
2025	100,881	98.8	103.1

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Population of Allen 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	102,116	−88	+8	0	−104
2021	101,705	−411	−214	+26	−284
2022	100,974	−731	−263	+93	−529
2023	100,810	−164	−4	+188	−336
2024	100,952	+142	+37	+241	−125
2025	100,881	−71	+41	+92	−209

Age, 2020–2024

The median age is 39.7 ±0.3: for men 38.1 ±0.5 and for women 41.4 ±0.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Allen County by age, ACS 2020–2024
Age	People	Share	Ohio	United States
Under 5	6,123 ±42	6.0% ±<0.1	5.7% ±<0.1	5.6% ±<0.1
5 to 17	17,713 ±651	17.5% ±0.6	16.3% ±0.1	16.3% ±<0.1
18 to 24	9,207 ±494	9.1% ±0.5	8.9% ±0.1	9.1% ±<0.1
25 to 44	24,370 ±572	24.0% ±0.6	25.7% ±0.1	26.9% ±<0.1
45 to 64	24,560 ±689	24.2% ±0.7	25.1% ±0.1	24.8% ±<0.1
65 and over	19,375 ±696	19.1% ±0.7	18.3% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $64,038 ±$1,778, and income per person $34,331 ±$997, 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 Allen County by income, ACS 2020–2024
Household income	Households	Share	Ohio	United States
Under $25,000	7,316 ±653	17.7% ±1.6	16.3% ±0.2	14.6% ±<0.1
$25,000 to $49,999	8,924 ±740	21.6% ±1.8	19.1% ±0.2	16.7% ±<0.1
$50,000 to $74,999	7,566 ±639	18.3% ±1.5	16.9% ±0.1	15.5% ±<0.1
$75,000 to $99,999	5,805 ±503	14.1% ±1.2	13.1% ±0.1	12.6% ±<0.1
$100,000 to $149,999	7,052 ±596	17.1% ±1.4	17.1% ±0.1	17.5% ±<0.1
$150,000 to $199,999	2,312 ±264	5.6% ±0.6	8.3% ±0.1	9.6% ±<0.1
$200,000 or more	2,320 ±334	5.6% ±0.8	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 Allen County by age, ACS 2020–2024
Age	Below poverty	Rate	Ohio	United States
All ages	13,051 ±1,144	13.3% ±1.2	13.3% ±0.2	12.5% ±0.1
Under 18	3,967 ±571	16.9% ±2.3	17.8% ±0.3	16.1% ±0.1
18 to 59	6,380 ±603	13.0% ±1.2	12.7% ±0.2	11.6% ±0.1
60 and over	2,704 ±345	10.6% ±1.3	10.6% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Allen County, ACS 2020–2024
Measure	Allen County	Ohio	United States
Housing units	44,791 ±99	5,292,391 ±464	143,775,355 ±10,234
Occupied	92.2% ±0.9	91.9% ±0.2	89.9% ±0.1
Vacant	7.8% ±0.9	8.1% ±0.2	10.1% ±0.1
Owner occupied	67.7% ±1.6	67.2% ±0.3	65.2% ±0.3
Renter occupied	32.3% ±1.6	32.8% ±0.2	34.8% ±0.1
Median home value	$165,300 ±$3,928	$214,800 ±$742	$332,700 ±$236
Median gross rent	$922 ±$24	$1,034 ±$5	$1,413 ±$2
Median year built	1966 ±2	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 Allen County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Ohio	United States
Hispanic or Latino	3,682 ±0	3.6% ±<0.1	4.8% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	80,069 ±308	79.0% ±0.3	75.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	9,703 ±713	9.6% ±0.7	12.0% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	942 ±128	0.9% ±0.1	2.5% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	97 to 433	0.1% to 0.4%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 25	0% to < 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	363 ±175	0.4% ±0.2	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	6,314 ±820	6.2% ±0.8	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 Allen County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Ohio	United States
Born in the state	81,612 ±974	80.5% ±1.0	74.6% ±0.1	57.3% ±<0.1
Born in another state	16,809 ±843	16.6% ±0.8	19.2% ±0.1	26.9% ±<0.1
Born a citizen outside the states	533 ±154	0.5% ±0.2	1.0% ±<0.1	1.7% ±<0.1
Born abroad	2,394 ±393	2.4% ±0.4	5.2% ±0.1	14.1% ±<0.1
Naturalized citizens	1,323 ±190	1.3% ±0.2	2.8% ±<0.1	7.4% ±<0.1
Not citizens	1,071 ±335	1.1% ±0.3	2.5% ±0.1	6.8% ±<0.1

Allen County among the counties of Ohio

26th of 88 by population, July 2025. Every one is listed on the Ohio page.

Counties of Ohio near Allen County in population, July 2025
County	July 2025	Change since 2020
Clark County	135,340	−0.4%
Wood County	134,176	+1.5%
Richland County	124,893	−0.1%
Wayne County	116,758	−0.1%
Miami County	112,634	+3.4%
Allen County	100,881	−1.2%
Columbiana County	99,377	−2.2%
Ashtabula County	96,713	−0.8%
Geauga County	95,676	+0.3%
Tuscarawas County	92,373	−0.9%
Muskingum County	87,014	+0.7%

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