Delta County, Michigan
Located in Michigan, Delta County has a population of 36,813 residents and a median age of 48.0 years, making it the #1,292 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 12.7%. The median home value is $157,100, and the median household income is $57,809, which is 23% below the national median.
Demographics
Delta County has a population of 36,813, making it the #1,292 most populous county in the US. The median age is 48.0 years, which is 23.4% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Delta County is $57,809, ranking #2,273 out of 3,222 counties — 23.1% below the national median. The poverty rate is 12.7% and unemployment stands at 4.2%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Delta County is $157,100 (-44.3% vs national). Renters pay a median of $692/mo and the homeownership rate is 82.0%.
Median Home Value Trend
Rankings →Household Type
Education
In Delta County, 20.6% of adults age 25+ hold a bachelor's degree or higher, which is 38.8% below the national average, ranking #1,888 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Delta County is 76.5 years. 14.5% of adults report poor or fair health and 6.3% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.8% of adults in Delta County smoke , 35.6% are obese , and 23.1% report excessive drinking. The drug overdose death rate is 10.1 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 23.6 per 100,000. Motor vehicle deaths occur at a rate of 11.1 per 100,000.
Suicide Rate Trend
Families & Children
16.8% of children in Delta County live in poverty . The teen birth rate is 15.0 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Delta County is 73.8%. The mean commute time is 19.7 min, which is 28.8% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Delta County voted Republican with a margin of 30.4%. The vote was 34.1% Dem / 64.5% Rep. Compared to 2020, the margin shifted 4.0 toward Republicans .
Vote Share Over Time
About Delta County, Michigan
Delta County, Michigan has a total population of 36,813, making it the 1,292nd most populous county in the United States. The median age in Delta County is 48.0 years, which is 23.4% above the national median of 38.9 years.
The median household income in Delta County is $57,809, which ranks #2,273 of 3,222 counties nationwide. This is 23.1% below the national median of $75,149. The poverty rate is 12.7%, higher than the national rate of 12.6%. The unemployment rate stands at 4.2%.
The median home value in Delta County is $157,100, 44.3% below the national median. Renters in Delta County pay a median gross rent of $692 per month. The homeownership rate is 82.0%, compared to the national rate of 64.4%.
In Delta County, 20.6% of residents aged 25 and older hold a bachelor's degree or higher, 38.8% below the national average of 33.7%. Health insurance coverage stands at 95.2% of the population. The average commute time for workers is 19.7 min.
Delta County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 89.9% of the population, followed by Two or More Races (6.1%) and American Indian (non-Hispanic) (1.5%).
All data for Delta County, Michigan comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.