Clay County
Clay County has roughly average household income, with a median household income of $81,172. Population has grown 29% since 2000. Median home value has roughly tripled since 2000, reaching $265,500. At a median age of 33.7, residents skew younger than the country as a whole. It ranks in the top 5% of US counties for household income.
Population & growth
PEP 2025 EST:67,734 residents (Census Bureau Vintage 2025, released March 2026)
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How many people live in Clay County, Minnesota?
Clay County, Minnesota has about 66,059 residents according to the 2024 American Community Survey.
What is the median household income in Clay County, Minnesota?
The typical household in Clay County, Minnesota earns about $81,172 a year. Half of households make more than that, and half make less.
Is Clay County, Minnesota expensive?
In Clay County, Minnesota, the median home is worth about $265,500, and the typical rent is about $1,019 a month.
How educated are people in Clay County, Minnesota?
About 39.3% of adults age 25 and over in Clay County, Minnesota hold a bachelor's degree or higher.
What is the poverty rate in Clay County, Minnesota?
About 13.3% of people in Clay County, Minnesota live below the federal poverty line.
Has Clay County, Minnesota grown since 1990?
Yes, Clay County, Minnesota has grown since 1990. The population has added about 15,637 residents, a change of about 31 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024