Kwethluk ( KWEETH-luuk; Central Yupik: Kuiggluk) is a city in Bethel Census Area in the U.S. state of Alaska. As of the 2020 census, Kwethluk had a population of 812. It is the birthplace of Saint Olga of Alaska.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code99621

Area code99621

Living in Kwethluk

Health in Kwethluk

Compared with Alaska

1better than AK·26worse

of 32 measures CDC estimates. The other 5 are too close to call.

Conditions 1▲ 7▼ 4 close Habits 3▼ 1 close Care 7▼ 0 close Mind 5▼ 0 close Everyday needs 4▼ 0 close

BetterToo close to callWorse

What stands out

4.8%Fewer adults who have had cancerAK 7% · better 46%More older adults who have lost all their teethAK 13.5% · worse

Care nearby

Yukon Kuskokwim Delta Reg HospitalBethel · 14.2 mi · ER

Bethel Family Clinic - Medical / Behavioral Health ClinicBethel · 11.2 mi · sliding-scale fees

Primary careShortage · county-wide

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Kwethluk · CMS · HRSAHealth in Kwethluk →

Natural hazards in Kwethluk

Very low

Expected storm and flood damage is higher than in 1% of U.S. communities.

🥶 Cold waves🌊 Inland flooding

2Does Kwethluk flood?paid flood claims since 2006 6Disasters that paid out herefederal disasters sent FEMA money to Kwethluk

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Kwethluk →

Climate in Kwethluk

Full climate →

Kwethluk has cold, snowy winters and cool summers, with very little rain. A typical July afternoon reaches 64°, a January night drops to 1°, and about 64 inches of snow falls in a normal winter.

16° / 4°Winter

37° / 21°Spring

62° / 47°Summer

38° / 26°Fall

How much snow does Kwethluk get?About 64 inches a winter.Rain & snow →When is the first frost?Around Sep 22, with the last in spring around May 21.Frost dates →What is each month like?Highs, lows, rain and snow for all 12 months.By month →

NOAA U.S. Climate Normals, 1991–2020Climate in Kwethluk →

Schools in Kwethluk

All Kwethluk schools →

School Grade D

The public schools Kwethluk’s kids attend, from kindergarten through graduation, trail 92% of Alaska’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

DistrictLower Kuskokwim School DistrictSchools1

Ket'acik/Aapalluk Memorial School D-Other · Grades PK–12 · 255 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within AK. Ratings are from neighbors.