Matanuska-Susitna, Alaska

Matanuska-Susitna population, land area and income

Matanuska-Susitna had 117,613 residents in the Census Vintage 2024 estimate, on 24,707.3 square miles of land. It ranks 2nd of 30 in Alaska by population and 6th by land area. That works out to 4.8 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Alaska has 6,175 residents, so Matanuska-Susitna is 19.0 times that size.

Its SAIPE 2023 median household income of $94,376 is in the top tenth among 3,143 counties with an estimate.

How Matanuska-Susitna's population changed since 2020

Matanuska-Susitna gained 10,091 residents between the July 2020 and July 2024 estimates, a rise of 9.4%. That ranks 1st of 30 in Alaska for growth. The median Alaska county changed by -1.3%, and the state as a whole by +1.0%.

Since the April 2020 estimates base, Matanuska-Susitna recorded 5,799 births and 3,700 deaths, a natural change of +2,099. Net international migration added +281 and net domestic migration, people moving to or from other US counties, came to +8,182. The largest single component was domestic migration, which added 8,182 people.

Where Matanuska-Susitna is

The Census internal point of Matanuska-Susitna is at 62.265600, -149.504000. It sits in UTM zone 6N. The map shades Alaska's 30 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Matanuska-Susitna outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Matanuska-Susitna

3 incorporated places of 1,000+ people have residents in Matanuska-Susitna, 19,170 people together, or 16% of the county. Each figure counts only the part of the town inside Matanuska-Susitna; towns marked "part" extend into another county. The largest is Wasilla with 10,318.

Counties bordering Matanuska-Susitna

The Census 2024 county adjacency file lists 8 neighbors for Matanuska-Susitna. The most populous is Anchorage, AK, with 289,600 residents. Distances run between Census internal points in a straight line.

• Anchorage

  289,600 people

  76 mi S

• Kenai Peninsula

  61,259 people

  161 mi SW

• Bethel

  18,237 people

  361 mi W

• Southeast Fairbanks

  7,313 people

  225 mi ENE

• Chugach

  6,604 people

  164 mi SE

• Yukon-Koyukuk

  5,099 people

  224 mi NNW

• Copper River

  2,631 people

  181 mi E

• Denali

  1,621 people

  99 mi N

Distance to Juneau and the nearest big city

Juneau is 582.8 miles ESE of Matanuska-Susitna's internal point in a straight line. The nearest place of 100,000 or more is Anchorage, AK (population 289,600), 75.7 miles away. The nearest place of 10,000 or more is Wasilla, AK (population 10,318), 47.3 miles away.

Matanuska-Susitna FIPS code

The FIPS code of Matanuska-Susitna is 02170: state code 02 for Alaska plus borough or census area code 170. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $94,376.