Matanuska-Susitna Borough, Alaska
Matanuska-Susitna Borough | |
|---|---|
Location within the U.S. state of Alaska | |
Alaska's location within the U.S. | |
| Coordinates: 62°24′N 149°35′W / 62.4°N 149.58°W | |
| Country | United States |
| State | Alaska |
| Incorporated | January 1, 1964 |
| Named after | Matanuska River and Susitna River |
| Seat | Palmer |
| Largest CDP | Knik-Fairview |
| Government | |
| • Borough Mayor | Edna DeVries |
| Area | |
• Total | 25,258 sq mi (65,420 km2) |
| • Land | 24,608 sq mi (63,730 km2) |
| • Water | 650 sq mi (1,700 km2) 2.6% |
| Population (2020) | |
• Total | 107,081 |
• Estimate (2024) | 117,613 |
| • Density | 4.2/sq mi (1.6/km2) |
| Time zone | UTC−9 (Alaska) |
| • Summer (DST) | UTC−8 (ADT) |
| Congressional district | At-large |
| Website | www |
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Matanuska-Susitna Borough (often referred to as the Mat-Su Borough) is a borough located in the U.S. state of Alaska. Its borough seat is Palmer, and the largest community is the census-designated place of Knik-Fairview. As of the 2020 census, the borough's population was 107,081.
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.