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Knox County, Maine


Knox County, Maine

Knox County, Maine
Knox County Courthouse
Map of Maine highlighting Knox County
Location in the state of Maine
Map of the United States highlighting Maine
Maine's location in the U.S.
Founded April 1, 1860
Named for Henry Knox
Seat Rockland
Largest city Rockland
 • Total 1,144 sq mi (2,963 km2)
 • Land 365 sq mi (945 km2)
 • Water 779 sq mi (2,018 km2), 68%
 • (2010) 39,736
 • Density 109/sq mi (42/km²)
Congressional district 1st
Time zone Eastern: UTC-5/-4

Knox County is a county located in the U.S. state of Maine. As of the 2010 census, the population was 39,736.[1] Its county seat is Rockland.[2] The county is named for American Revolutionary War general and Secretary of War Henry Knox,[3] who lived in the county from 1795 until his death in 1806. The county was established on April 1, 1860, and is the most recent county to be created in Maine. It was carved from parts of Waldo and Lincoln counties. The Union Fair, started in 1868, began as the efforts of the North Knox Agricultural and Horticultural Society.[4]


  • Geography 1
    • Adjacent counties 1.1
    • National protected areas 1.2
  • Demographics 2
  • Politics 3
    • Voter registration 3.1
  • Communities 4
  • Public Buildings 5
  • See also 6
  • References 7
  • External links 8


According to the U.S. Census Bureau, the county has a total area of 1,144 square miles (2,960 km2), of which 365 square miles (950 km2) is land and 779 square miles (2,020 km2) (68%) is water.[5] It is the second-smallest county in Maine by land area. It was originally part of the Waldo Patent.

Adjacent counties

National protected areas


As of the census[11] of 2000, there were 39,618 people, 16,608 households, and 10,728 families residing in the county. The population density was 108 people per square mile (42/km²). There were 21,612 housing units at an average density of 59 per square mile (23/km²). The racial makeup of the county was 98.28% White, 0.24% Black or African American, 0.22% Native American, 0.36% Asian, 0.01% Pacific Islander, 0.12% from other races, and 0.78% from two or more races. 0.57% of the population were Hispanic or Latino of any race. 25.4% were of English, 12.2% Irish, 11.7% United States or American, 7.5% German and 5.7% French ancestry according to Census 2000. 97.1% spoke English and 1.5% French as their first language.

There were 16,608 households out of which 28.30% had children under the age of 18 living with them, 52.20% were married couples living together, 9.00% had a female householder with no husband present, and 35.40% were non-families. 29.00% of all households were made up of individuals and 12.70% had someone living alone who was 65 years of age or older. The average household size was 2.31 and the average family size was 2.83.

In the county the population was spread out with 22.40% under the age of 18, 6.30% from 18 to 24, 27.40% from 25 to 44, 26.70% from 45 to 64, and 17.20% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 95.20 males. For every 100 females age 18 and over, there were 93.00 males.

The median income for a household in the county was $36,774, and the median income for a family was $43,819. Males had a median income of $30,704 versus $22,382 for females. The per capita income for the county was $19,981. About 6.40% of families and 10.10% of the population were below the poverty line, including 11.90% of those under age 18 and 8.00% of those age 65 or over.


Presidential election results[12]
Year Democrat Republican
2012 60.1% 13,227 37.6% 8,262
2008 59.7% 13,728 38.4% 8,816
2004 54.6% 12,690 43.5% 10,103
2000 46.1% 9,453 43.7% 8,968

In 2012, Knox County voted 55% in favor of a measure to legalize same-sex marriage.[13]

Voter registration

Voter Registration and Party Enrollment as of June 2014[14]
  Unenrolled 9,889 35.08%
  Democratic 8,888 31.53%
  Republican 8,265 29.32%
  Green Independent 1,142 4.05%
Total 28,184 100%


Public Buildings

An addition to the Knox County Courthouse designed by Scott Simons Architects was completed 2005. It is connected to an annex built in 1977 that is adjacent to the historic, original building that was finished in 1874.

See also


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved August 19, 2013. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States.  
  4. ^ "The Birth of the Union Fair: Its History, Its Promise". Retrieved 16 October 2011. 
  5. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved September 7, 2014. 
  6. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  7. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved September 7, 2014. 
  8. ^ "Historical Census Browser". University of Virginia Library. Retrieved September 7, 2014. 
  9. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved September 7, 2014. 
  10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved September 7, 2014. 
  11. ^ "American FactFinder".  
  12. ^ "Dave Leip's Atlas of U.S. Presidential Elections". Retrieved 2011-06-13. 
  13. ^ [2]
  14. ^ "Registration and Party Enrollment Statistics as of June 10, 2014" (PDF). Maine Bureau of Corporations. 

External links

  • Official site of Knox County
  • Knox County Charter
  • Maine Genealogy: Knox County, Maine

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