Gardiner Flag

Gardiner

County:
Kennebec County
County Seat:
No
Area (mi²):
15.681
State:
Maine

Gardiner is a city located in Kennebec County, Maine. Gardiner has a 2026 population of 6,252. Gardiner is currently growing at a rate of 0.74% annually and its population has increased by 4.62% since the most recent census, which recorded a population of 5,976 in 2020.

The median household income in Gardiner is $71,782 with a poverty rate of 10.45%. The median age in Gardiner is 42 years: 41 years for males, and 43.6 years for females. For every 100 females there are 111.2 males.

6.3K
Total Population
399
Density (mi²)
46 0.74%
Growth

Gardiner Population

Gardiner Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20266,252460.74%
20256,206460.75%
20246,16000%
20236,160580.95%
20226,102470.78%
20216,055791.32%
20205,976170.29%
20195,632-21-0.37%
20185,653-10-0.18%
20175,66330.05%
20165,660100.18%
20155,650-26-0.46%
20145,676-10-0.18%
20135,686-45-0.79%
20125,731-25-0.43%
20115,756-26-0.45%
20105,782-18-0.31%
20006,198-548-8.12%
19906,7462614.02%
19806,485-200-2.99%
19706,685-212-3.07%
19606,8972483.73%
19506,64960510.01%
19406,0444357.76%
19305,6091342.45%
19205,4751643.09%
19105,311-190-3.45%
19005,501100.18%
18905,4911,05223.7%
18804,439-58-1.29%
18704,497100.22%
18604,487-1,999-30.82%
18506,4861,44428.64%
18405,04200%

Median Age

Overall: 42 years
Female: 43.6 years
Male: 41 years

Gardiner Adults

There are 5,079 adults, (1,201 of whom are seniors) in Gardiner.

Sex Ratio

Female: 2,882 (47.3%)
Male: 3,206 (52.7%)

Demographics

The racial composition of Gardiner includes 88.98% White, 3.48% other race, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White5,41788.98%
Two or more races3065.03%
Other race2123.48%
Black or African American901.48%
Asian530.87%
Native American100.16%
Race
Population ↓
Percentage (of total)
Other race1262.07%
White621.02%
Native American100.16%
Race
Population ↓
Percentage (of total)
White5,35587.96%
Two or more races3065.03%
Black or African American901.48%
Other race861.41%
Asian530.87%

Gardiner Marital Status

Economics and Income Statistics

Gardiner 's average per capita income is $53,959. Household income levels show a median of $71,782. The poverty rate stands at 10.45%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$118,068-
Families$99,049$103,685
Households$71,782$84,319
Non Families$40,765$56,639

$53,959

Average Income

$71,782

Median Household Income

10.45%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)