Matanuska-Susitna Borough, Alaska Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 2nd-largest in Alaska
The population of Matanuska-Susitna Borough, Alaska is 110,677 as of the 2023 American Community Survey, making it the 2nd-largest county in Alaska. The median household income is $90,625, the median home value is $319,200, and the median age is 36.6.
The population of Matanuska-Susitna Borough has grown 31.1% since 2010 (89,731 → 117,613), a +1.95% annualized rate.
110,677
Population
+1.95%
Annual growth
4
People / sq mi
$90,625
Median Income
$319,200
Median Home Value
Matanuska-Susitna Borough covers 24,707 sq mi of land at 4.5 people per square mile.
About Matanuska-Susitna Borough, AK
Matanuska-Susitna Borough is distinguished by its share of foreign-born residents, 53.4% of the population. With 110,677 residents, Matanuska-Susitna Borough is a county in Alaska. That makes it one of the ten largest counties in Alaska in the country, at #2 by population.
Income is a real outlier — the median household pulls in $90,625, putting Matanuska-Susitna Borough near the top of US counties. The poverty rate is 7.4%, below the national 12.4%. A typical home is worth $319,200, with typical rent around $1,258.
24.3% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. A solid 10.6% of workers are based at home, below the national 14.0%, and the average commute runs about 35 minutes each way.
The large foreign-born share is a defining thread in Matanuska-Susitna Borough, shaping language, household composition, and the labor force behind the economic figures above.
Matanuska-Susitna Borough Population History (2010-2024)
The county of Matanuska-Susitna Borough had a population of 89,731 in 2010 and 117,613 in 2024, a 31.1% growth over 14 years. The peak was 117,613 in 2024. Average annual growth rate: 1.96%.
117,613
Population (2024)
89,731
Population (2010)
117,613
Peak (2024)
1.96%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 89,731 |
| 2011 | 91,741 |
| 2012 | 93,718 |
| 2013 | 95,940 |
| 2014 | 98,185 |
| 2015 | 101,162 |
| 2016 | 104,258 |
| 2017 | 106,426 |
| 2018 | 107,325 |
| 2019 | 108,578 |
| 2020 | 107,522 |
| 2021 | 111,003 |
| 2022 | 113,505 |
| 2023 | 115,296 |
| 2024 | 117,613 |
Race & Ethnicity
| White | 78.3% |
| Black or African American | 1.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 12.0% |
| Two or More Races | 0.1% |
Age & Sex
36.6
Median Age
47.7%
Female
52.3%
Male
13.3%
Age 65+
Age Distribution
Children (under 15): 21.4% · Seniors (65+): 13.3%
Income & Poverty
| Median household income | $90,625+$1,289 vs state |
| Mean household income | $111,363 |
| Per-capita income | $40,945 |
| Poverty rate | 7.4%+0.6% vs state |
| Unemployment rate | 3.5% |
| Employment-to-population | 55.4% |
Top Industries by Employment
The largest employment sector in Matanuska-Susitna Borough is professional & business services, accounting for 23.8% of workers.
How residents commute
0.5%
Drive alone
1.8%
Carpool
72.2%
Public transit
10.6%
Work from home
34.8 min
Avg commute
Housing
$319,200$-14,100 vs state
Median home value
$1,258
Median rent
76.6%
Homeownership rate
50,922
Total housing units
77.9%
Occupied
22.1%
Vacant
23.4%
Renter-occupied
Social & access
87.8%
With health insurance
96.8%
With broadband internet
53.4%
Foreign-born
13.7%
Veterans (18+)
13.5%
With a disability
94.2%
Speak language other than English at home
Education
94.3%
High School+
24.3%
Bachelor's+
Largest cities in Alaska
Other counties in Alaska
Part of Alaska
Metro areas in Alaska
County rankings
Frequently Asked Questions
Matanuska-Susitna Borough, Alaska has a population of 110,677 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 2nd-largest county in Alaska. Population density is 4 people per square mile.
The population of Matanuska-Susitna Borough has grown 31.1% since 2010 (89,731 → 117,613), a +1.95% annualized rate.
The median household income in Matanuska-Susitna Borough, Alaska is $90,625, with mean (average) household income of $111,363 and per-capita income of $40,945. 7.4% of residents live below the federal poverty level.
In Matanuska-Susitna Borough, the largest racial and ethnic groups are White (78.3%), Hispanic or Latino (12.0%), Black or African American (1.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Matanuska-Susitna Borough, Alaska is 36.6 years. Residents are 47.7% female and 52.3% male.
The median home value in Matanuska-Susitna Borough is $319,200 and median monthly rent is $1,258. 76.6% of occupied housing units are owner-occupied. The county has 50,922 total housing units, 22.1% of which are vacant.
The largest employment sector in Matanuska-Susitna Borough, Alaska is professional, scientific, and management services, employing 23.8% of workers. The unemployment rate is 3.5%.
Anchorage is among the largest cities associated with Matanuska-Susitna Borough, Alaska, with a population of 289,069.
Matanuska-Susitna Borough, AK Climate
Matanuska-Susitna Borough, AK has an average annual temperature of -1.2°C (30°F) and receives about 638 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
-1.2°C
Avg Temp
638
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -11° / 11° | 33 mm |
| February | -10° / 14° | 34 mm |
| March | -8° / 17° | 32 mm |
| April | -3° / 27° | 25 mm |
| May | 4° / 39° | 29 mm |
| June | 10° / 50° | 66 mm |
| July | 12° / 53° | 85 mm |
| August | 10° / 51° | 97 mm |
| September | 5° / 42° | 93 mm |
| October | -3° / 26° | 59 mm |
| November | -9° / 15° | 41 mm |
| December | -11° / 13° | 44 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Matanuska-Susitna Borough, AK
The most comfortable months to visit Matanuska-Susitna Borough, AK are typically July, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 17°C high). The coldest is January (near -15°C low). August is usually the wettest month.
Where to stay near Matanuska-Susitna Borough
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.