Allen County, Ohio Demographics 2026
Allen County, Ohio has a population of 101,348, the 26th most populous county in Ohio. The median household income is $64,038 and the median home value is $165,300. The poverty rate is 13.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Allen County Quick Facts
How Allen County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 101,685 | 101,348 | -0.3% |
| Median household income | $62,001 | $64,038 | +3.3% |
| Median home value | $158,400 | $165,300 | +4.4% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Allen County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Lima | 35,010 | $46,240 | 23.9% | $107,200 |
| Delphos | 7,143 | $61,037 | 12.2% | $129,600 |
| Fort Shawnee | 6,209 | $90,491 | 6.3% | $208,700 |
| Bluffton | 3,859 | $75,694 | 3.2% | $212,400 |
| Elida | 2,163 | $81,083 | 3.1% | $220,900 |
| Spencerville | 2,107 | $54,883 | 15.1% | $137,100 |
| Cairo | 581 | $83,125 | 6.9% | $114,500 |
| Westminster | 526 | $118,583 | 0.0% | $190,100 |
| Harrod | 453 | $72,813 | 9.7% | $103,400 |
| Beaverdam | 404 | $86,964 | 12.9% | $104,700 |
| Lafayette | 293 | $53,125 | 7.8% | $121,300 |
| Gomer | 148 | $70,000 | 10.1% | $165,400 |
Explore Ohio Rankings
Population Overview
Allen County is located in Ohio with a total population of 101,348. It is the 26th most populous county out of 88 in Ohio. The county encompasses 12 Census-designated places.
Age Demographics
The median age in Allen County is 39.7 years. This is about the same as the state median of 39.7 years.
Economy, Income & Housing
The median household income in Allen County is $64,038. This is 10% lower than the state median of $71,389. It is also 21% lower than the national median of $80,734. The poverty rate stands at 13.3%. This is about the same as the state poverty rate of 13.3%. The unemployment rate is 5.7%. This is 21% higher than the state rate of 4.8%. The median home value is $165,300. Housing costs are 23% lower than the state median of $214,800. With a home-value-to-income ratio of just 2.6x, Allen County is one of the most affordable housing markets in the area. 67.7% of occupied housing units are owner-occupied.
Race & Ethnicity
The largest racial or ethnic group in Allen County is White (non-Hispanic), making up 79.0% of the population. Black or African American residents account for 9.6%. The Asian population (0.9%) is well below the state average of 2.5%.
Education
20.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 36% lower than the state rate of 31.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.5%.
Data Sources & Methodology
All figures for Allen County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Ohio and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Allen County, Ohio?
Allen County has a population of 101,348, making it the 26th most populous county in Ohio.
What is the median income in Allen County?
The median household income in Allen County is $64,038 with a poverty rate of 13.3%.
How many cities are in Allen County, Ohio?
Allen County contains 12 Census-designated places.