Gardiner, Maine Demographics & Population 2026
During the 2020–2024 ACS period, Gardiner, Maine had a total population of 6,088, the 28th largest city in Maine, with a median household income of $71,782, which is 4% lower than the state average. The poverty rate is 10.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Gardiner Quick Facts
How Gardiner 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 | 6,047 | 6,088 | +0.7% |
| Median household income | $58,152 | $71,782 | +23.4% |
| Median home value | $198,100 | $221,600 | +11.9% |
How Gardiner Compares
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+)
Gardiner Rankings in Maine
Explore Maine Rankings
Other Cities in Kennebec County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Augusta | 19,077 | $47,979 | 18.2% | $201,000 |
| Waterville | 17,077 | $53,580 | 20.6% | $184,600 |
| Winslow | 5,873 | $59,547 | 11.3% | $217,900 |
| Winthrop | 3,108 | $61,058 | 21.3% | $244,900 |
| Oakland | 2,710 | $44,848 | 13.7% | $167,000 |
| Hallowell | 2,592 | $68,398 | 7.8% | $295,300 |
| Farmingdale | 2,064 | $62,006 | 16.8% | $239,200 |
| Randolph | 1,610 | $66,574 | 15.7% | $174,300 |
| Clinton | 1,381 | $70,625 | 1.4% | $163,800 |
Cities Similar to Gardiner
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Winslow | 5,873 | $59,547 | $217,900 | 27.6% | 11.3% |
| Kennebunk | 6,221 | $95,169 | $452,800 | 52.0% | 11.2% |
| Yarmouth | 6,289 | $93,575 | $576,900 | 62.8% | 12.9% |
| Belfast | 6,986 | $67,679 | $340,900 | 42.9% | 16.1% |
| North Windham | 5,417 | $88,522 | $342,800 | 37.0% | 6.1% |
Population Overview
Gardiner is a small city located in Maine, within Kennebec County. The total population is 6,088. It ranks as the 28th most populous out of 155 Census-designated places in Maine.
Age Demographics
The median age in Gardiner is 42.0 years. This is 6% lower than the state median of 44.8 years.
Economy, Income & Housing
The median household income in Gardiner is $71,782. This is 4% lower than the state median of $74,733. It is also 11% lower than the national median of $80,734. The poverty rate stands at 10.4%. This is 3% lower than the state poverty rate of 10.8%. The unemployment rate is 7.5%. This is 98% higher than the state rate of 3.8%. The median home value is $221,600. Housing costs are 25% lower than the state median of $296,600. The home-value-to-income ratio is 3.1x. 68.2% of occupied housing units are owner-occupied. This homeownership rate is 8% lower than the state average of 74.3%.
Race & Ethnicity
Gardiner has a predominantly White (non-Hispanic) population, comprising 88.0% of all residents. Hispanic or Latino residents account for 3.3%.
Education
29.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 18% lower 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 95.1%.
Data Sources & Methodology
All demographic data for Gardiner, Maine is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Maine state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 155 Census-designated places in Maine. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Gardiner, Maine?
Gardiner, Maine has a population of 6,088 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Gardiner, ME?
The median household income in Gardiner is $71,782, which is 11% lower than the national median of $80,734.
What is the poverty rate in Gardiner, ME?
The poverty rate in Gardiner is 10.4%. This means approximately 628 residents live below the federal poverty line.
What is the racial makeup of Gardiner, Maine?
Gardiner's population is 88.0% White, 1.5% Black, 3.3% Hispanic/Latino, and 0.9% Asian.
What is the median home value in Gardiner, ME?
The median home value in Gardiner is $221,600. The home-value-to-income ratio is 3.1x.
How educated is Gardiner, Maine?
29.8% of adults (25+) in Gardiner hold a bachelor's degree or higher, and 7.5% hold a graduate or professional degree.