Delta County, Michigan Demographics

Population trends, housing costs, income, commuting, and health, all on one page.

Delta County, MI Population Density Map and Area Scores

Area Score

Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.

  • B
    Health Around average
  • C
    Income Below average
  • D
    Education Well below average

Source: Map AI Methodology

Delta County
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Population density, people per sq mi

Population: density and quick facts

Metric Delta County Michigan Avg U.S. Average
Population 36,813 10,068,405 337,468,954
Population density (per sq mi) 18.5 104.1 86.4
Population growth (%/yr) 0.09% 0.19% 0.59%
Median age 45.7 40.3 37.3
Households 15,971 4,073,089 130,235,071

Population in Delta County declined by 1.6% from 2009 to 2024, reaching 36,813 in 2024.

Population Growth 2009–2024

Year Delta County

Race & Ethnicity

Group Share

Age & Sex

The largest generation in Delta County is Boomers, aged 61–79, at 24.2% of residents. That is 5.8 points above Michigan as a whole.

Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Michigan, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.

Male and female share

Women are 49.5% of the people living in Delta County and men 50.5%.

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Residents matching this profile

36,813

100% of everyone living in Delta County

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Economy

Delta County has a the economy index of C, which means it is somewhat prosperous.

Metric Delta County Michigan Avg U.S. Average
Median household income $58,589 $72,977 $80,455
Income growth (%/yr) 4.17% 4.60% 4.80%
Unemployment rate 4.2% 5.7% 5.2%

The median household income in Delta County is about 20% lower than in Michigan.

Detailed wealth and income breakdown →

Housing

Metric Delta County Michigan Avg U.S. Average
Median home price $52,647 $138,713 $248,835
Median rent $691 $1,129 $1,407
Homeownership rate 82.0% 73.2% 65.2%

The median home price in Delta County is about 6.3 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $691 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Delta County spend about 27 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 111 hours, about 4.6 full days, spent commuting.

Metric Delta County Michigan Avg U.S. Average
One-way commute (min) 13.3 21.3 22.4
Round-trip commute (min) 26.6 42.6 44.8
Yearly time spent (hours) 111 178 187
Estimated yearly cost $3,434 $5,509 $5,790
Work from home 5.8% 13.5% 15.0%
Highway traffic (vehicles/day) 1,889 8,204 8,813
Local road traffic (vehicles/day) 189 1,585 1,355

Fastest commutes among counties in Michigan: Luce County (11.4 min), Dickinson County (12.2 min), Schoolcraft County (12.5 min).
Slowest: Lapeer County (31.3 min), Lake County (31.1 min), Livingston County (28.6 min).

The average commute time in Delta County is 13 minutes, shorter than the 21 minutes in Michigan.

Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.

Commute and transport details →

Education & Households

Delta County has a education index of D, which means it is barely educated.

Metric Delta County Michigan Avg U.S. Average
Bachelor's degree or higher 18.7% 28.8% 31.6%
Average household size 2.26 2.42 2.53

Highest education index among counties in Michigan: Washtenaw County (0.4), Oakland County (0.4), Leelanau County (0.4).
Lowest: Lake County (0.2), Oscoda County (0.2), Kalkaska County (0.2).

Health

Delta County has a health index of B, which means it is quite healthy.

Metric Delta County Michigan Avg U.S. Average
Life expectancy (years) 79.9 78.3 78.3
Self-rated poor health 16.5% 16.4% 16.3%
Smokers 20.6% 20.9% 19.0%

Highest health index among counties in Michigan: Washtenaw County (0.8), Ottawa County (0.8), Livingston County (0.8).
Lowest: Clare County (0.8), Oscoda County (0.8), Lake County (0.8).

Full health data →

Delta County, MI Compared With Nearby Counties

Delta County, MI is the largest of the 5 counties compared here, 36,813 residents against a local median of 24,600. The measure that sets Delta County, MI apart most is median home price: $52,647, 76% below the local median of $217,542.

Median household income tells the same story from another angle: $58,589 against a local median of $70,228, 17% below it. The one measure here that carries a verdict is median household income, and at 17% below the local median it puts Delta County, MI at the weaker end of the local range. The counties themselves spread $257,707 on median home price, so Delta County, MI sits at one end of an already wide local range rather than apart from it. Delta County, MI has the 5th highest median home price of the 5 areas compared here.

Area Population Median household income Median home price Commute
Delta County, MI 36,813 $58,589 #4/5 $52,647 #5/5 13.3 min #2/5
Menominee County, MI 23,247 $56,919 $140,164 16.3 min
Door County, WI 30,445 $74,724 $119,565 13.6 min
Dickinson County, MI 25,954 $65,732 $377,272 12.2 min
Leelanau County, MI 22,734 $99,683 $294,921 21.2 min

Frequently Asked Questions

Common questions about Delta County, Michigan.

What is the population of Delta County, Michigan?

About 36,813 people live in Delta County, Michigan, in 15,971 households of 2.3 people on average. The median age is 45.7, so residents are older than the U.S. median of 37.3 by about 8 years.

Is Delta County, Michigan urban or rural?

Averaged over its land area, Delta County, Michigan has 19 people per square mile, a density typical of rural areas. That is about 21% of the U.S. average of 86.

Is Delta County, Michigan an affordable place to live?

The median home costs 0.9 times the median household income ($52,647 against $58,589), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $691 a month takes about 14% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.

How educated are people in Delta County, Michigan?

18.7% of adults in Delta County, Michigan hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.

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