Delta County
Delta County has notably lower household income than the US average, with a median household income of $57,809. Population has declined 4% since 2000. 21% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $157,100. With a median age of 48.0, the population is older than the US median of 38.9.
Population & growth
PEP 2025 EST:36,582 residents (Census Bureau Vintage 2025, released March 2026)
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Race & ethnicity
Detailed origins & ancestry
+ 31 more ancestry groups with data
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Commute & transportation
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How many people live in Delta County, Michigan?
Delta County, Michigan has about 36,813 residents according to the 2024 American Community Survey.
What is the median household income in Delta County, Michigan?
The typical household in Delta County, Michigan earns about $57,809 a year. Half of households make more than that, and half make less.
Is Delta County, Michigan expensive?
In Delta County, Michigan, the median home is worth about $157,100, and the typical rent is about $692 a month.
How educated are people in Delta County, Michigan?
About 20.6% of adults age 25 and over in Delta County, Michigan hold a bachelor's degree or higher.
What is the poverty rate in Delta County, Michigan?
About 12.7% of people in Delta County, Michigan live below the federal poverty line.
Has Delta County, Michigan grown since 1990?
Yes, Delta County, Michigan has shrunk since 1990. The population has lost about 967 residents, a change of about -3 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024