Port Alsworth is a community in Lake And Penins County, Alaska, home to about 199 people across 23 square miles. Its ZIP code is 99653.
All in Port Alsworth
We’re writing up Port Alsworth’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Port Alsworth well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Ted Stevens Anchorage International Airport (ANC)161 miles away |
|---|---|
| Closer regional airport | Iliamna Airport (ILI)37 miles away |
| Nearest city of 250,000+ | Anchorage, AK183 miles away |
Straight-line distances from the center of Port Alsworth; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Port Alsworth had 186 residents in the 2020 census, up 79% since 2000.
It’s the 185th largest of 321 towns in Alaska by population.
Lake And Penins County grew from 1,668 residents in 1990 to 1,476 in 2020.
Lake And Penins County, 1990–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 69°F in summer, and winter lows average 10°F. About 13.1 inches of rain and melted snow fall in a typical year, with about 88 inches of snow.
Source: NOAA 1991–2020 climate normals, Port Alsworth, AK weather station (about a mile away).
252 jobs at 57 businesses in Lake And Penins County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Port Alsworth.
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|
Source: providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Public schools here are run by Lake and Peninsula Borough School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Tanalian SchoolPort Alsworth | Pre-K–12 | 40 | Public | 0.7 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
Buying or selling around Port Alsworth? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.