County · Alaska

Kodiak Island Borough, Alaska

Kodiak Island Borough, Alaska. Kodiak Island Borough had 12,387 residents in 2025 by the Census Bureau's estimate, down 5.4% since 2020, while Alaska grew 0.5%. It holds 12 places (6 cities, villages and boroughs and 6 census-designated) and 5 census tracts. GEOID 02150.

Residents, July 2025 estimate

12,387

Census Bureau estimate (no margin published)
2020 Census count: 13,101 · ACS 2020-2024: 12,771

Median household income

$86,250

±$10,148 (90% margin)
Alaska: $92,788

Median home value

$412,300

±$30,749 (90% margin)
Alaska: $352,900

Median gross rent

$1,765

±$322 (90% margin)
Alaska: $1,419

How many people live in Kodiak Island Borough, and is it growing?

The 2020 Census counted 13,101 residents in Kodiak Island Borough. The Census Bureau estimates 12,387 for July 1, 2025, down 5.4% since 2020, while Alaska grew 0.5%. The 2020-2024 American Community Survey puts the population at 12,771 over 6,689 square miles of land.

  • July 2020→2021 −198 (12,848)
  • 2021→2022 −235 (12,613)
  • 2022→2023 −77 (12,536)
  • 2023→2024 −131 (12,405)
  • 2024→2025 −18 (12,387)
Kodiak Island Borough in Alaska. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureKodiak Island BoroughAlaskaChange since 2015-2019
Total population12,771735,706−680
Households4,640±197270,533+379
Average household size2.62±0.092.61−0.46
Housing units5,854±104328,491+432

Kodiak Island Borough's population since 2000

From 13,913 in 2000 to 12,387 in 2025: down 11.0%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 13,913
  • 2005 (estimate) 13,105
  • 2010 Census 13,592
  • 2015 (estimate) 13,760
  • 2020 Census 13,101
  • 2025 (estimate) 12,387

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Kodiak Island Borough?

Kodiak Island Borough holds 12 places: 6 cities, villages and boroughs (incorporated places) and 6 census-designated places. The largest is Kodiak with 5,281 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Kodiak Island Borough, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Kodiakcity5,5815,447±18$90,292$347,1007.5%100%
Mill BayCDP4,2163,654±508$88,580$463,2009.0%100%
Kodiak StationGEOID 0241210CDP1,6731,823±383$83,750not published3.2%100%
Womens BayGEOID 0285680CDP743788±206not published$438,20010.5%100%
Old HarborGEOID 0257340city216162±78$30,000not published56.2%100%
Port LionsGEOID 0263610city170150±60$46,250$161,50020.7%100%
OuzinkieGEOID 0258550city10986±46not publishednot published22.1%100%
AkhiokGEOID 0200650city63160±101$85,139$54,40017.5%100%
ChiniakGEOID 0213860CDP610±10not publishednot published–100%
Larsen BayGEOID 0243040city34145±44$37,188$117,50029.7%100%
KarlukGEOID 0237540CDP2733±31not published$120,0000.0%100%
AlenevaGEOID 0201560CDP50±10not publishednot published–100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Kodiak Island Borough?

The median resident of Kodiak Island Borough is 35.1 years old; 23.7% are under 18 and 13.9% are 65 or older. The largest group is non-Hispanic white residents at 45.0%, then non-Hispanic Asian residents at 22.2%. 18.7% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureKodiak Island BoroughAlaskaChange since 2015-2019
Median age35.1±0.635.8+1.2
Under 18 years23.7%±0.4 pts24.1%–
65 years and over13.9%±1.3 pts13.8%–
Hispanic or Latino (any race)8.3%7.3%−0.6 pts
White alone, not Hispanic45.0%±2.4 pts57.7%−4.0 pts
Black or African American alone, not Hispanic0.7%±0.7 pts2.9%–
Asian alone, not Hispanic22.2%±1.6 pts6.4%no clear change
American Indian and Alaska Native alone, not Hispanic10.4%±1.3 pts13.2%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.1%±0.2 pts1.5%–
Two or more races, not Hispanic12.0%±3.0 pts10.3%–
Some other race alone, not Hispanic1.3%±0.8 pts0.7%–
Born outside the United States18.7%±2.7 pts7.7%no clear change
Speak a language other than English at home (age 5+)23.3%±3.2 pts15.1%–
Civilian veterans (age 18+)10.2%±2.4 pts10.7%–
With a disability8.9%±2.1 pts13.6%–
No health insurance coverage12.2%±3.0 pts11.0%−5.0 pts
High school graduate or higher (age 25+)92.7%±3.9 pts93.6%–
Bachelor's degree or higher (age 25+)28.7%±4.1 pts31.7%no clear change
Graduate or professional degree (age 25+)9.1%±3.2 pts11.8%–
Moved from another state in the past year5.3%±2.4 pts3.9%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Kodiak Island Borough earn?

Half of Kodiak Island Borough's 4,640 households earn less than $86,250 a year (±$10,148), against $92,788 in Alaska. In 2015-2019 the median was $105,642 in 2024 dollars, so it fell by $19,392 after inflation. 8.7% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureKodiak Island BoroughAlaskaChange since 2015-2019
Median household income$86,250±$10,148$92,788−$19,392
Mean household income$109,824±$11,850$118,985–
Per capita income$45,656±$5,359$46,573no clear change
People below the poverty line8.7%±2.2 pts10.1%no clear change
Children under 18 below the poverty line4.7%±3.0 pts12.2%−6.2 pts
Households receiving SNAP5.8%±2.4 pts10.1%–
Households with a broadband subscription92.7%±2.3 pts91.9%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Kodiak Island Borough?

Owners occupy 61.1% of Kodiak Island Borough's occupied homes and renters 38.9%. The median owner-occupied home is valued at $412,300 by its owner (±$30,749). The median renter pays $1,765 a month including utilities, and 36.9% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureKodiak Island BoroughAlaskaChange since 2015-2019
Median home value (owner-occupied)$412,300±$30,749$352,900+$65,121
Median gross rent$1,765±$322$1,419no clear change
Renters paying 35% or more of income on rent36.9%±10.8 pts35.1%no clear change
Median monthly owner costs, with a mortgage$2,396±$287$2,229–
Owner-occupied homes61.1%±4.7 pts66.8%no clear change
Housing units5,854±104328,491+432
Homeowner vacancy rate0.2%±0.2 pts0.9%–
Rental vacancy rate5.9%±4.0 pts7.0%–
Single-family detached homes66.1%±4.4 pts63.2%–
Mobile homes3.6%±1.9 pts3.9%–
Built 2020 or later1.4%±1.6 pts0.9%–
Built 1939 or earlier0.3%±0.2 pts1.7%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Kodiak Island Borough building?

Builders took permits for 9 new housing units across Kodiak Island Borough in 2025 (9 single-family), 0.7 per 1,000 residents.

  • 2019 30 units
  • 2020 19 units
  • 2021 8 units
  • 2022 11 units
  • 2023 12 units
  • 2024 19 units
  • 2025 9 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Kodiak Island Borough get to work?

66.3% of Kodiak Island Borough's workers drive alone and 4.8% work from home. The average trip to work takes 10.1 minutes. The unemployment rate in 2020-2024 averaged 5.0%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureKodiak Island BoroughAlaskaChange since 2015-2019
In the labor force (age 16+)74.0%±2.8 pts66.3%–
Unemployment rate5.0%±1.8 pts5.9%no clear change
Drove alone to work66.3%±5.6 pts65.0%–
Carpooled13.1%±3.5 pts11.9%–
Public transportation0.1%±0.1 pts1.0%–
Walked9.4%±2.8 pts7.2%–
Worked from home4.8%±1.7 pts9.7%no clear change
Mean travel time to work10.1 min±0.819.4 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Kodiak Island Borough's census tracts?

Kodiak Island Borough is divided into 5 census tracts. Among those with a reliable estimate, median household income runs from $46,761 (Tract 4) to $92,465 (Tract 2).

Census tracts of Kodiak Island Borough, ACS 2020-2024 5-year estimates; sort by any column
Tract 102150000100Womens Bay (3%)1,6111,847±328$82,704$391,900$1,05616.2%
Tract 202150000200Mill Bay (50%)6,8336,574±633$92,465$443,800$2,0186.0%
Tract 302150000300Kodiak (91%)2,0321,723±281$89,866$317,000$1,45713.3%
Tract 402150000400Kodiak (88%)952804±240$46,761$534,100$1,10213.6%
Tract 502150000500Kodiak Station1,6731,823±383$83,750not published$2,4033.2%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Kodiak Island Borough compare with Alaska's other counties?

Kodiak Island Borough's rank among Alaska's counties with a reliable estimate (1 = highest)
MeasureRank
Population8th of 30
Growth 2020-202523rd of 30
Residents per square mile9th of 30
Median household income12th of 30
Median home value5th of 30
Median gross rent2nd of 30
Poverty rate19th of 27
Bachelor's degree or higher8th of 27
Median age22nd of 30

Every county in Alaska

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Kodiak Island Borough are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.