Gardiner, Maine

Gardiner population, 2020 to 2024

Gardiner added 184 residents from July 2020 to July 2024, a change of +3.1%. In the latest year it moved by +0. Among 20 Maine places of 5,000 or more, that growth ranks 7th; the median place changed by +1.6%. The median place of 5,000+ in Maine has 18,252 people, so Gardiner is 34% of it.

Gardiner covers 15.68 square miles of land and 0.89 of water, for 393 people per square mile of land. The median Maine place of 5,000+ has 548, so Gardiner is less dense than the typical town.

What county Gardiner is in

All of Gardiner's residents live in Kennebec County, which had 128,461 residents in 2024. Gardiner holds 4.8% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Gardiner

2 ZIP Code Tabulation Areas (ZCTAs) overlap Gardiner by at least 10% of the ZCTA's or the city's land: 04345, 04359. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Gardiner is

The Census internal point of Gardiner is at 44.195100, -69.793800. Augusta, the capital, is 7.8 miles N in a straight line. The nearest larger place is Augusta, ME (19,168 people), 10.1 miles away. The nearest city of 100,000 or more is Manchester, NH, 117.5 miles away.

Daylight in Gardiner

At 44.20° N, Gardiner gets about 15 h 31 min of daylight around the June solstice and 8 h 52 min around the December solstice, a swing of 6 h 39 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Gardiner

The eight nearest incorporated places of 1,000+ in Maine, measured between internal points. The closest is Hallowell, 6.5 miles away, with 2,619 people.