Knox County, Maine

Knox County: county in Maine, United States

About

Knox County is a county located in the U.S. state of Maine. As of the 2010 census, the population was 39,736 and a population density of 13 people per km². After 10 years in 2020 county had an estimated population of 39,951 inhabitants. Its county seat is Rockland. The county was created 166 years ago in 1859.

Knox County locator map
Location of Knox County on Maine map.

County Snapshot

Knox County at a glance

Knox County currently has 17 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

17

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Quick Facts about Knox County

Population 39,951 (2020)
Country United States of America
State Maine (United States)
Different from Knox County, Knox County, Knox County, Knox County, Knox County, Knox County, Knox County, Knox County
Area 2958 km2
Water as percent of area 68%
Land as percent of area 32%
Latitude & Longitude 44.0758,-69.1260
Named for Henry Knox
Capital Rockland
Establishment January 01, 1860
Time Zone America/New_York
Local time 02:01:54 (17th April 2026)
Density 14 Pop. per km² as of 2020
Population growth 0.54% (2010-2020)
Weather 50℉ Chance Rain Showers 7-days weather
Knox County Courthouse  Rockland  Maine image
Knox County Courthouse Rockland Maine image

Geography

Knox County is located at 44°4'33"N 69°7'34"W (44.0757500, -69.1259800). It has 3 neighbors: Hancock County, Lincoln County and Waldo County.

Knox County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Knox County is Rockland with a population of 7,183. Other cities include, Warren population 4,835, Camden population 4,806, Rockport population 3,389 and Saint George population 2,578. See all Knox County cities & populated places.

Knox County Populated Places (more)

Cities, towns, neighborhoods & other populated places in Knox County.

City Name Population Title
Rockland 7,183 City in Knox County, Maine, United States
Warren 4,835 Town in Knox County, Maine, United States
Camden 4,806 Town in Maine, United States
Rockport 3,389 A town in Knox County in the state of Maine.
Thomaston 2,763 Census-designated place in Knox County, Maine
Saint George 2,578 Town in Maine, USA
Union 2,275 Town in Knox County, Maine, United States
Hope 1,698 Town in Knox County, Maine, United States
South Thomaston 1,642 City in Knox County, Maine, United States of America
Owls Head 1,608 City in United States of America
Washington 1,520 Town in Maine
Cushing 1,500 Town in Maine
Appleton 1,381 Town in Knox County, Maine
Friendship 1,143 Town in Knox County, Maine, United States
Vinalhaven 1,128 City in Maine, United States of America
North Haven 358 Town of the United States

Weather

50°F
Chance Rain Showers
5 to 10 mph NE Friday

A chance of rain showers. Mostly cloudy, with a high near 50. Northeast wind 5 to 10 mph. Chance of precipitation is 50%.

7-Day Forecast

Official website of Knox County

Official Website
  • Appleton
  • Cushing
  • Isle au Haut
  • Camden
  • Rockport
  • Rockland
  • South Thomaston
  • Warren
  • Vinalhaven
  • Matinicus Isle
  • St. George
  • Friendship
  • Owls Head
  • Criehaven, Maine
  • Muscle Ridge Islands
  • Thomaston
  • Washington
  • Hope
  • North Haven
  • Union

Demographics

The population of Knox County increased by 0.54% in 10 years.

Year Population % Change Method
2010 39,736 - census
2011 39,672 -0.16% estimation process
2012 39,611 -0.15% estimation process
2013 39,691 0.2% estimation process
2014 39,891 0.5% estimation process
2015 39,786 -0.26% estimation process
2016 39,761 -0.06% estimation process
2017 39,759 -0.01% estimation process
2018 39,717 -0.11% estimation process
2019 39,772 0.14% estimation process
2020 39,951 0.45% estimation process
Comitatul Knox, Comte de Knox, Comté de Knox, Condado de Knox, Condado han Knox, Contea di Knox, Hrabstwo Knox, Knox, Knox Kun, Knox Kūn, Knox konderria, Knox megye, Noks, Okrug Noks, kaksa ka'unti, nokkusu jun, nuo ke si xian, shhrstan naks myn, Нокс, Округ Нокс, Նոքս շրջան, شهرستان ناکس، مین, ناکس کاؤنٹی, کنو کاؤنٹی، میئن, কক্স কাউন্টি, ノックス郡, 諾克斯縣

People born in Knox County (4)

People born in Knox County, including composer, music theorist and professor of music Walter Piston, editor in chief of the Seattle Daily Times Alden J. Blethen, book illustrator Charles Copeland, .

More notable people

  • E. S. Clark he was born in 17/06/1862

Other places with the same name (8)

Maine Other Counties (more counties)

County Name Population Title
City of Portland 653,115 The twenty-eighth most populous city in the United States and the center of the Portland metropolitan area.
Cumberland County 298,111 County in Maine, United States
York County 209,066 County in Maine, United States
Penobscot County 151,655 County in Maine, United States of America
Kennebec County 122,955 County in Maine, United States
Androscoggin County 108,547 County in Maine, United States
Aroostook County 66,804 County in Maine, United States
Portland 66,803 The most populous city in Cumberland County, Maine.
Oxford County 58,132 County in Maine, United States
Hancock County 55,088 County in Maine, United States
Somerset County 50,635 County in Maine, United States
Waldo County 39,923 County in Maine, United States
Lewiston 36,226 City in Androscoggin County, Maine, United States
Sagadahoc County 36,044 County in Maine, United States
Lincoln County 34,775 County in Maine, United States
Bangor 31,998 City in Penobscot County, Maine, USA