Allen County
Allen County has lower-than-average household income, with a median household income of $70,737. Population has grown 18% since 2000. Median home value has more than doubled since 2000, reaching $214,900. It sits in the top 10% of US counties for household income.
Population & growth
PEP 2025 EST:402,329 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 8 more hispanic origin groups with data
+ 7 more asian origin groups with data
+ 49 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to Allen County
Compare Allen County to nearby counties
How many people live in Allen County, Indiana?
Allen County, Indiana has about 392,378 residents according to the 2024 American Community Survey.
What is the median household income in Allen County, Indiana?
The typical household in Allen County, Indiana earns about $70,737 a year. Half of households make more than that, and half make less.
Is Allen County, Indiana expensive?
In Allen County, Indiana, the median home is worth about $214,900, and the typical rent is about $1,021 a month.
How educated are people in Allen County, Indiana?
About 31.6% of adults age 25 and over in Allen County, Indiana hold a bachelor's degree or higher.
What is the poverty rate in Allen County, Indiana?
About 12.5% of people in Allen County, Indiana live below the federal poverty line.
Has Allen County, Indiana grown since 1990?
Yes, Allen County, Indiana has grown since 1990. The population has added about 91,542 residents, a change of about 30 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024