How many people live in Matanuska-Susitna Borough, AK?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 117,600 people living in Matanuska-Susitna Borough, AK. That makes Matanuska-Susitna Borough the second-most populous borough or district in Alaska. It is home to 16% of people living in the state.
118K
population of Matanuska-Susitna Borough, AK (2024)
16%
County share of the Alaska population (2024)
About 117,600 people lived in Matanuska-Susitna Borough, AK in 2024.
Population estimates, 2000–2024
What are Matanuska-Susitna Borough, AK’s age demographics?
About 17,200 Matanuska-Susitna Borough, AK residents are aged 65 and older in 2024. That represents 14.6% of its population. For comparison, the age group represents 15.2% of Alaska’s population and 18% in the US overall.
Another 29,400 Matanuska-Susitna Borough residents, or 25% of the population, were children under 18. For comparison, the age group represents 24.3% of Alaska’s population and 21.6% in the US overall.
A higher share of Matanuska-Susitna Borough, AK's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Matanuska-Susitna Borough, AK’s racial and ethnic demographics?
Non-Hispanic white residents make up 76.8% of the Matanuska-Susitna Borough, AK population, higher than the national share of 57.5%. Matanuska-Susitna Borough, AK also has a larger share of people identifying as non-Hispanic two or more races (7.5%) than the US overall (2.5%).
In contrast, Matanuska-Susitna Borough’s Hispanic population accounts for 5.8%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 1.3% of the borough, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Matanuska-Susitna Borough, AK has a higher share of a non-Hispanic white population than Alaska as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Matanuska-Susitna Borough, AK is Wasilla with about 10,300 residents in 2024.
Cities and towns in Matanuska-Susitna Borough, AK ranked by population
Population (2024), includes only portions within boroughs or census area
| City or town | Population | |
|---|---|---|
| 1. | Wasilla | 10,318 |
| 2. | Palmer | 6,626 |
| 3. | Houston | 2,226 |
| 4. | Balance of Matanuska-Susitna Borough | 98,443 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
