Sagadahoc County, Maine Demographics 2026
Sagadahoc County, Maine has a population of 37,285, the 12th most populous county in Maine. The median household income is $87,806 and the median home value is $333,300. The poverty rate is 10.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Sagadahoc County Quick Facts
How Sagadahoc 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 | 37,093 | 37,285 | +0.5% |
| Median household income | $82,080 | $87,806 | +7.0% |
| Median home value | $300,200 | $333,300 | +11.0% |
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: 19 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Sagadahoc County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Bath | 8,815 | $69,390 | 12.4% | $310,900 |
| Topsham | 7,271 | $100,024 | 5.7% | $388,500 |
| Richmond | 2,089 | $73,014 | 7.1% | $221,100 |
| Bowdoinham | 766 | N/A | 21.8% | $419,400 |
Explore Maine Rankings
Population Overview
Sagadahoc County is located in Maine with a total population of 37,285. It is the 12th most populous county out of 16 in Maine. The county encompasses 4 Census-designated places.
Age Demographics
The median age in Sagadahoc County is 47.3 years. This is 6% higher than the state median of 44.8 years. 10.3% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Sagadahoc County is $87,806. This is 17% higher than the state median of $74,733. It is also 9% higher than the national median of $80,734. The poverty rate stands at 10.0%. This is 7% lower than the state poverty rate of 10.8%. The unemployment rate is 4.6%. This is 22% higher than the state rate of 3.8%. The median home value is $333,300. Housing costs are 12% higher than the state median of $296,600. The home-value-to-income ratio is 3.8x. 77.8% of occupied housing units are owner-occupied. This homeownership rate is 5% higher than the state average of 74.3%.
Race & Ethnicity
Sagadahoc County has a predominantly White (non-Hispanic) population, comprising 92.0% of all residents. Hispanic or Latino residents account for 2.0%. The Black or African American population (0.5%) is well below the state average of 1.8%.
Education
44.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 22% higher than the state rate of 36.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.7%. Notably, 17.9% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All figures for Sagadahoc County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Maine 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 Sagadahoc County, Maine?
Sagadahoc County has a population of 37,285, making it the 12th most populous county in Maine.
What is the median income in Sagadahoc County?
The median household income in Sagadahoc County is $87,806 with a poverty rate of 10.0%.
How many cities are in Sagadahoc County, Maine?
Sagadahoc County contains 4 Census-designated places.