Tyonek is a community in Kenai Peninsula Borough, Alaska, home to about 291 people across 68 square miles. Its ZIP code is 99635, and parts of 99682 are in Tyonek too.
Population2914 per sq mi
Median home value$46,700Census, as estimated by owners
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Population over time
Tyonek had 152 residents in the 2020 census, down 21% since 2000.
It’s the 160th largest of 321 towns in Alaska by population.
Kenai Peninsula Borough grew from 6,097 residents in 1960 to 58,799 in 2020.
Kenai Peninsula Borough, 1960–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Weather by month
Average highs peak around 63°F in summer, and winter lows average 7°F. About 18.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Kenai Muni Ap, AK weather station (14 miles away).
Jobs in Kenai Peninsula Borough
15,786 jobs at 2,405 businesses in Kenai Peninsula Borough. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Health care
1 doctors and other health care providers list an office in Tyonek.
Nearest hospitals
Central Peninsula General HospitalGeneral hospital · emergency room · CMS rating 2 of 5 · Soldotna20.5 miles
Providence Alaska Medical CenterGeneral hospital · emergency room · CMS rating 3 of 5 · Anchorage55.6 miles
Alaska Native Medical CenterGeneral hospital · emergency room · CMS rating 2 of 5 · Anchorage55.8 miles
Providers with an office here
Nurse practitioners and physician assistants
1
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Schools in Tyonek
Public schools here are run by Kenai Peninsula Borough School District. Check each district’s attendance zones for a specific address.
Public schools(2)
School
Grades
Students
Type
Distance
Tebughna SchoolTyonek
Pre-K–12
20
Public
20.3 mi
Nikiski Middle/Senior High SchoolNikiski
6–12
276
Public
3.5 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.
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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.