Kennebec County, Maine

Kennebec County, Maine, has 129,067 residents (July 2025 estimate). Its county seat is Augusta. It uses Eastern Time and covers 868 sq mi (2,247 km²) of land.

PortlandLewistonBangor
Kennebec County in Maine
Androscoggin CountyWaldo CountyAugustaWatervilleGardinerWinthrop
Kennebec County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
129,067
Land area
868 sq mi (2,247 km²)
County seat or government
Augusta
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$69,077 ± $2,603
Median home value
$238,200 ± $5,239
Median rent, with utilities
$992 ± $43
Homes lived in by their owners
73.7% ± 1.5 points
County type
County
Metro or micro area
Augusta-Waterville, ME micro areaCentral county
Water area
83.7 sq mi (217 km²)
State
Maine
County code (FIPS)
23011
Coordinates (central point)
44.417012, -69.765764

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Kennebec County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 0490127,870 people
  2. 0433026,690 people
  3. 0434512,579 people
  4. 049637,524 people
  5. 043646,191 people
  6. 049894,592 people
  7. 043584,526 people
  8. 043503,680 people
  9. 042593,610 people
  10. 049273,385 people
  11. 049173,351 people
  12. 043443,017 people
All 27
  1. 043632,690 people
  2. 043552,651 people
  3. 043472,592 people
  4. 043512,424 people
  5. 049102,204 people
  6. 049881,894 people
  7. 043521,716 people
  8. 043461,610 people
  9. 043491,383 people
  10. 042841,101 people
  11. 04265552 people
  12. 04360536 people
  13. 04359298 people
  14. 049180 people
  15. 049260 people

27 ZIP Code areas overlap Kennebec County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Towns in Kennebec County, largest first

  1. Town of Winslow8,023 people
  2. Town of Oakland6,309 people
  3. Town of Winthrop6,191 people
  4. Town of Sidney4,790 people
  5. Town of Vassalboro4,592 people
  6. Town of China4,526 people
  7. Town of Monmouth4,162 people
  8. Town of West Gardiner3,696 people
  9. Town of Litchfield3,680 people
  10. Town of Clinton3,385 people
  11. Town of Belgrade3,351 people
  12. Town of Pittston3,093 people
All 25
  1. Town of Farmingdale3,017 people
  2. Town of Chelsea2,823 people
  3. Town of Benton2,770 people
  4. Town of Windsor2,690 people
  5. Town of Readfield2,651 people
  6. Town of Manchester2,424 people
  7. Town of Albion2,204 people
  8. Town of Mount Vernon1,716 people
  9. Town of Randolph1,610 people
  10. Town of Fayette1,383 people
  11. Town of Rome1,215 people
  12. Town of Wayne1,101 people
  13. Town of Vienna536 people

People counts are American Community Survey 2020–2024 5-year estimates. All towns in Maine, by county

School districts in Kennebec County, largest first

  1. Regional School Unit 1820,191 people
  2. Augusta19,077 people
  3. Regional School Unit 0918,380 people
  4. Waterville17,077 people
  5. School Administrative District 4914,878 people
  6. School Administrative District 1114,487 people
  7. Regional School Unit 1211,633 people
  8. Regional School Unit 0211,416 people
  9. Regional School Unit 0410,720 people
  10. Winslow8,023 people
  11. Regional School Unit 387,892 people
  12. Winthrop6,191 people
All 15
  1. Vassalboro4,592 people
  2. Fayette1,383 people
  3. Kennebec Unorganized Territory36 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Augusta, Maine (city)19,077 people
  2. Waterville, Maine (city)17,077 people
  3. Gardiner, Maine (city)6,088 people
  4. Winslow, Maine (CDP)5,873 people
  5. Winthrop, Maine (CDP)3,108 people
  6. Oakland, Maine (CDP)2,710 people
  7. Hallowell, Maine (city)2,592 people
  8. Farmingdale, Maine (CDP)2,064 people
  9. Randolph, Maine (CDP)1,610 people
  10. Clinton, Maine (CDP)1,381 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Androscoggin County, Maine28 mi southwest
  2. Lincoln County, Maine32 mi southeast
  3. Waldo County, Maine32 mi east
  4. Sagadahoc County, Maine35 mi south
  5. Franklin County, Maine50 mi northwest
  6. Somerset County, Maine76 mi north

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.