Matanuska-Susitna Borough (often referred to as the Mat-Su Borough) is a
borough
A borough is an administrative division in various English-speaking countries. In principle, the term ''borough'' designates a self-governing walled town, although in practice, official use of the term varies widely.
History
In the Middle ...
located in the
U.S. state of
Alaska
Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S ...
. Its county seat is
Palmer, and the largest community is the census-designated place of
Knik-Fairview.
The borough is part of the
Anchorage Metropolitan Statistical Area, along with the
municipality of Anchorage on its south.
The Mat-Su Borough is so designated because it contains the entire
Matanuska and
Susitna Rivers. They empty into Cook Inlet, which is the southern border of the Mat-Su Borough. It is one of the few agricultural areas of Alaska.
Geography

The
borough seat is
Palmer,
and the largest community is the census-designated place of
Knik-Fairview, Alaska.
As of the
2020 census, the population was 107,081, up from 88,995 in 2010. It is the fastest growing subdivision in Alaska.
[
]
According to the
U.S. Census Bureau, the borough has a total area of , of which is land and (2.6%) is water.
Adjacent boroughs and census areas
*
Denali Borough, Alaska
The Denali Borough is a borough located in the U.S. state of Alaska. As of the 2020 census the population of the borough was 1,619, down from 1,826 in 2010.
The borough seat and most populated community is Healy, and its only incorporated ...
- north
*
Southeast Fairbanks Census Area, Alaska
Southeast Fairbanks Census Area is a census area located in the U.S. state of Alaska. As of the 2020 census, the population was 6,808, down from 7,029 in 2010.
It is part of the unorganized borough and therefore has no borough seat. Its l ...
- northeast
*
Copper River Census Area, Alaska - east
*
Chugach Census Area, Alaska - east
*
Municipality of Anchorage, Alaska - south
*
Kenai Peninsula Borough, Alaska
Kenai Peninsula Borough is a borough of the U.S. state of Alaska. As of the 2020 census, the population was 58,799, up from 55,400 in 2010.
The borough seat is Soldotna, the largest city is Kenai, and the most populated community is the ...
- south
*
Bethel Census Area, Alaska
Bethel Census Area is a census area in the U.S. state of Alaska. As of the 2020 census, the population is 18,666, up from 17,013 in 2010. It is part of the unorganized borough and therefore has no borough seat. Its largest community is the ...
- west
*
Yukon-Koyukuk Census Area, Alaska - west
National protected areas in the borough
*
Chugach National Forest
The Chugach National Forest is a United States National Forest in south central Alaska. Covering portions of Prince William Sound, the Kenai Peninsula and the Copper River Delta, it was formed in 1907 from part of a larger forest reserve. The C ...
(part)
*
Denali National Park and Preserve
Denali National Park and Preserve, formerly known as Mount McKinley National Park, is an American national park and preserve located in Interior Alaska, centered on Denali, the highest mountain in North America. The park and contiguous preserve ...
(part)
**
Denali Wilderness (part)
*
Lake Clark National Park and Preserve (part)
**
Lake Clark Wilderness (part)
Demographics
As of the
census
A census is the procedure of systematically acquiring, recording and calculating information about the members of a given population. This term is used mostly in connection with national population and housing censuses; other common censuses in ...
of 2000, there were 59,322 people, 20,556 households, and 15,046 families residing in the borough. The
population density
Population density (in agriculture: Stock (disambiguation), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geographical ...
was 2 people per square mile (1/km
2). There were 27,329 housing units at an average density of 1 per square mile (0/km
2). The racial makeup of the borough was 87.55%
White
White is the lightness, lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully diffuse reflection, reflect and scattering, scatter all the ...
, 0.69%
Black
Black is a color which results from the absence or complete absorption of visible light. It is an achromatic color, without hue, like white and grey. It is often used symbolically or figuratively to represent darkness. Black and white ha ...
or
African American
African Americans (also referred to as Black Americans and Afro-Americans) are an Race and ethnicity in the United States, ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American ...
, 5.50%
Native American, 0.70%
Asian, 0.12%
Pacific Islander
Pacific Islanders, Pasifika, Pasefika, or rarely Pacificers are the peoples of the Pacific Islands. As an ethnic/racial term, it is used to describe the original peoples—inhabitants and diasporas—of any of the three major subregions of Ocea ...
, 0.86% from
other races, and 4.57% from two or more races. 2.50% of the population were
Hispanic
The term ''Hispanic'' ( es, hispano) refers to people, cultures, or countries related to Spain, the Spanish language, or Hispanidad.
The term commonly applies to countries with a cultural and historical link to Spain and to viceroyalties for ...
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
Marriage, also called matrimony or wedlock, is a culturally and often legally recognized union between people called spouses. It establishes rights and obligations between them, as well as between them and their children, and between t ...
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

Republicans have carried the borough in every election except for
1964
Events January
* January 1 – The Federation of Rhodesia and Nyasaland is dissolved.
* January 5 - In the first meeting between leaders of the Roman Catholic and Orthodox churches since the fifteenth century, Pope Paul VI and Patriarc ...
.
Edna DeVries
Edna B. DeVries is an American politician from Alaska and the incumbent Matanuska-Susitna Borough mayor. DeVries served in the Alaska Senate as a member of the 14th State Legislature. A realtor and resident of Palmer, Alaska
Palmer (Ahtna: ''Ni ...
is the mayor of the Matanuska-Susitna Borough. The borough has a strong-manager form of government. Mike Brown is the borough manager. Long-time Manager John Duffy retired in 2010.
Sarah Palin
Sarah Louise Palin (; Heath; born February 11, 1964) is an American politician, commentator, author, and reality television personality who served as the ninth governor of Alaska from 2006 until her resignation in 2009. She was the 2008 ...
was previously the mayor of
Wasilla, the largest city in the borough.
Communities
Cities
*
Houston
Houston (; ) is the List of cities in Texas by population, most populous city in Texas, the Southern United States#Major cities, most populous city in the Southern United States, the List of United States cities by population, fourth-most pop ...
*
Palmer
*
Wasilla
Census-designated places
*
Big Lake
*
Buffalo Soapstone
*
Butte
__NOTOC__
In geomorphology, a butte () is an isolated hill with steep, often vertical sides and a small, relatively flat top; buttes are smaller landforms than mesas, plateaus, and table (landform), tablelands. The word ''butte'' comes from a F ...
*
Chase
*
Chickaloon
Chickaloon (''Nay’dini’aa Na’'' in Ahtna Athabascan; ''Nuk'din'itnu'' in Dena'ina) is a census-designated place (CDP) in Matanuska-Susitna Borough, Alaska, United States. It is part of the Anchorage, Alaska Metropolitan Statistical Area. ...
*
Eureka Roadhouse
*
Farm Loop
*
Fishhook
*
Gateway
*
Glacier View
Glacier View is a census-designated place (CDP) in Matanuska-Susitna Borough, Alaska, United States. It is part of the Anchorage Metropolitan Area. At the 2020 census the population was 375, up from 234 in 2010. The terminus of Matanuska Glac ...
*
Knik River
The Knik River ( Dena'ina: ''Skitnu''; Ahtna
The Ahtna (also Ahtena, Atna, Ahtna-kohtaene, or Copper River) are an Alaska Native Athabaskan people of the Athabaskan-speaking ethnolinguistic group. The people's homeland called Atna Nen ...
*
Knik-Fairview
*
Lake Louise
*
Lazy Mountain
*
Meadow Lakes
*
North Lakes
*
Petersville
Petersville Australia Limited was an Australian food producer.
History
Petersville was founded in 1961 when Edgell and Peters Ice Cream merged. In May 1981, H.C. Sleigh Co. launched a successful takeover offer and rebranded the company Peter ...
*
Point MacKenzie
*
Skwentna
*
South Lakes
South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both east and west.
Etymology
The word ''south'' comes from Old English ''sūþ'', from earlier Proto-Germanic ''*su ...
*
Susitna
*
Susitna North
*
Sutton-Alpine
*
Talkeetna
Talkeetna ( Dena'ina: ''K'dalkitnu'') is a census-designated place (CDP) in Matanuska-Susitna Borough, Alaska, United States. At the 2020 census the population was 1,055, up from 876 in 2010.
Geography
Talkeetna is located at the confluence of ...
*
Tanaina
*
Trapper Creek
Trapper Creek is a census-designated place (CDP) in Matanuska-Susitna Borough, Alaska, United States. It is part of the Anchorage Metropolitan Area and is known as the southern gateway to Denali State Park. According to the 2020 census the popu ...
*
Willow
Willows, also called sallows and osiers, from the genus ''Salix'', comprise around 400 speciesMabberley, D.J. 1997. The Plant Book, Cambridge University Press #2: Cambridge. of typically deciduous trees and shrubs, found primarily on moist ...
Other locations
*
Alexander Creek
Cyber attack
In July 2018, the borough's computer systems, including the library and animal shelter, were hit by a
ransomware attack, forcing employees to do without computers, using electric typewriters where available. The borough declared a state of emergency and incurred over $2 million in costs. The method is thought to have been a targeted
phishing
Phishing is a type of social engineering where an attacker sends a fraudulent (e.g., spoofed, fake, or otherwise deceptive) message designed to trick a person into revealing sensitive information to the attacker or to deploy malicious softwar ...
e-mail; data left by the malware indicated Mat-Su was the 210th target attacked.
Gallery
See also
*
Matanuska-Susitna Valley
Matanuska-Susitna Valley () (known locally as the Mat-Su or The Valley) is an area in Southcentral Alaska south of the Alaska Range about north of Anchorage, Alaska.
It is known for the world record sized cabbages and other vegetables displaye ...
*
List of Airports in the Matanuska-Susitna Borough
This is a list of airports in Alaska (a U.S. state), grouped by type and sorted by location. It contains all public-use and military airports in the state. Some private-use and former airports may be included where notable, such as airports that ...
*
Matanuska Formation
The Matanuska Formation consists of more than of sedimentary strata exposed in the northern Chugach Mountains, Matanuska Valley, and southern Talkeetna Mountains of South-Central Alaska. The Matanuska Formation contains strata from Early Cre ...
*
Deshka Landing Fire
References
External links
official government website
Borough Facebook
Borough newsroom
Borough map, 2000 census: Alaska Department of LaborBorough map, 2010 census: Alaska Department of Labor
{{Authority control
Matanuska-Susitna Borough, Alaska,
*Matanuska
Alaska boroughs
Populated places established in 1964
1964 establishments in Alaska