Gardiner is a city located in Kennebec County Maine. With a 2020 population of 5,993, it is the 26th largest city in Maine and the 5898th largest city in the United States. Gardiner is currently growing at a rate of 0.27% annually and its population has increased by 0.54% since the most recent census, which recorded a population of 5,961 in 2020. Spanning over 17 miles, Gardiner has a population density of 382 people per square mile.
The average household income in Gardiner is $64,306 with a poverty rate of 13.60%. The median rental costs in recent years comes to $748 per month, and the median house value is $149,800. The median age in Gardiner is 40.4 years, 38 years for males, and 43.4 years for females.
According to the most recent ACS, the racial composition of Gardinerwas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among black people with a rate of 100.00%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 53.33%.
98.37% of Gardiner residents speak only English, while 1.63% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 0.58% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Gardiner is Asian, with 100.00% below the poverty level.
The race least likely to be in poverty in Gardiner is Multiple, with 2.25% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.29%. Among those working part-time, it was 13.59%, and for those that did not work, the poverty rate was 28.52%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Gardiner
97.95% of Gardiner residents were born in the United States, with 75.43% having been born in Maine. 1.36% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Africa.