Matanuska-Susitna Borough, Alaska

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Matanuska-Susitna Borough, Alaska
Map of Alaska highlighting Matanuska-Susitna Borough
Location in the state of Alaska
Map of the United States highlighting Alaska
Alaska's location in the U.S.
Incorporated January 1, 1964[1][2]
Seat Palmer
Largest city Wasilla
 • Total 25,260 sq mi (65,423 km2)
 • Water 7,125 sq mi (18,454 km2), 2.29%
Population (Est.)
 • (2012) 93,925
 • Density 3/sq mi (1/km²)
Congressional district At-large
Time zone Alaska: UTC-9/-8

Matanuska-Susitna Borough (often referred to as the Mat-Su Borough) is a borough located in the state of Alaska, United States. As of 2010,[3] the population was 88,995. The borough seat is Palmer and the largest city in the borough is Wasilla. The Borough is part of the Anchorage Metropolitan Statistical Area.

The Mat-Su Borough is so designated because it contains the entire Matanuska and Susitna Rivers. These rivers empty into Cook Inlet which is the southern border of the Mat-Su Borough. This area is one of the few agricultural areas of Alaska.


The borough has a total area of 25,260 square miles (65,400 km2), of which, 24,682 square miles (63,930 km2) of it is land and 578 square miles (1,500 km2) of it (2.29%) is water.

Adjacent boroughs and census areas[edit]

National protected areas[edit]


Historical population
Census Pop.
1960 5,188
1970 6,509 25.5%
1980 17,816 173.7%
1990 39,683 122.7%
2000 59,322 49.5%
2010 88,995 50.0%
Est. 2012 93,925 5.5%
U.S. Decennial Census[4]
2012 Estimate[5]

As of the census[6] of 2000, there were 59,322 people, 20,556 households, and 15,046 families residing in the borough. The population density was 2 people per square mile (1/km²). There were 27,329 housing units at an average density of 1 per square mile (0/km²). The racial makeup of the borough was 87.55% White, 0.69% Black or African American, 5.50% Native American, 0.70% Asian, 0.12% Pacific Islander, 0.86% from other races, and 4.57% from two or more races. 2.50% of the population were Hispanic or Latino of any race.

There were 20,556 households out of which 42.30% had children under the age of 18 living with them, 58.90% were married couples living together, 9.10% had a female householder with no husband present, and 26.80% were non-families. 20.30% of all households were made up of individuals and 4.10% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.29.

In the borough the population was spread out with 32.20% under the age of 18, 7.40% from 18 to 24, 31.10% from 25 to 44, 23.40% from 45 to 64, and 5.90% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 108.20 males. For every 100 females age 18 and over, there were 108.10 males.

Schools in the borough are administered by the Matanuska-Susitna Borough School District.

Politics and government[edit]

The midway area of the Alaska State Fair, held annually in Palmer during late August and early September.

Matanuska-Susitna was among a few places in America carried by Ross Perot in the 1992 presidential election.[7] Larry DeVilbiss is the mayor of the Matanuska-Susitna Borough. The borough has a strong manager form of government. John Moosey is the borough manager. Long-time Manager John Duffy retired in 2010.[8]

Cities and towns[edit]

See also[edit]


  1. ^ "History". Matanuska-Susitna Borough Joint Land Use Study. 2009. Retrieved 2012-05-04. 
  2. ^ 1996 Alaska Municipal Officials Directory. Juneau: Alaska Municipal League/Alaska Department of Community and Regional Affairs. January 1996. p. 12. 
  3. ^ Alaska Dept. of Labor
  4. ^ "U.S. Decennial Census". Retrieved June 30, 2013. 
  5. ^ "Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2012". Retrieved June 30, 2013. 
  6. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 
  7. ^ Geographie Electorale
  8. ^ Matanuska-Susitna Borough. Retrieved on 2013-08-02.

External links[edit]

Coordinates: 62°24′N 149°35′W / 62.40°N 149.58°W / 62.40; -149.58