Allegan County, Michigan Demographics 2026
Allegan County, Michigan has a population of 121,456, the 18th most populous county in Michigan. The median household income is $83,283 and the median home value is $267,100. The poverty rate is 8.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Allegan County Quick Facts
How Allegan County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 120,913 | 121,456 | +0.4% |
| Median household income | $80,255 | $83,283 | +3.8% |
| Median home value | $247,000 | $267,100 | +8.1% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 45 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Allegan County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Allegan | 5,172 | $52,925 | 13.9% | $176,600 |
| Wayland | 4,457 | $74,464 | 9.9% | $207,400 |
| Otsego | 4,074 | $74,156 | 5.3% | $160,500 |
| South Haven | 3,998 | $68,239 | 15.8% | $454,100 |
| Plainwell | 3,763 | $66,525 | 10.4% | $220,500 |
| Dorr | 3,702 | $97,519 | 3.0% | $277,600 |
| Fennville | 1,623 | $59,167 | 24.9% | $150,400 |
| Douglas | 1,427 | $81,627 | 4.4% | $426,400 |
| Hopkins | 773 | $75,417 | 20.3% | $241,700 |
| Saugatuck | 766 | $121,178 | 11.0% | $650,800 |
| Martin | 579 | $60,357 | 5.0% | $176,000 |
Explore Michigan Rankings
Population Overview
Allegan County is located in Michigan with a total population of 121,456. It is the 18th most populous county out of 83 in Michigan. The county encompasses 11 Census-designated places.
Age Demographics
The median age in Allegan County is 41.0 years. This is 2% higher than the state median of 40.2 years.
Economy, Income & Housing
The median household income in Allegan County is $83,283. This is 14% higher than the state median of $72,875. It is also 3% higher than the national median of $80,734. The poverty rate stands at 8.4%. This is 37% lower than the state poverty rate of 13.2%. The unemployment rate is 3.0%. This is 48% lower than the state rate of 5.7%. The median home value is $267,100. Housing costs are 15% higher than the state median of $231,600. The home-value-to-income ratio is 3.2x. 87.4% of occupied housing units are owner-occupied. This homeownership rate is 19% higher than the state average of 73.2%.
Race & Ethnicity
The largest racial or ethnic group in Allegan County is White (non-Hispanic), making up 84.6% of the population. Hispanic or Latino residents account for 8.1%. The Black or African American population (1.2%) is well below the state average of 13.1%. The Asian population (0.7%) is well below the state average of 3.4%.
Education
27.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 16% lower than the state rate of 32.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.4%.
Data Sources & Methodology
All figures for Allegan County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Michigan and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Allegan County, Michigan?
Allegan County has a population of 121,456, making it the 18th most populous county in Michigan.
What is the median income in Allegan County?
The median household income in Allegan County is $83,283 with a poverty rate of 8.4%.
How many cities are in Allegan County, Michigan?
Allegan County contains 11 Census-designated places.