County · Alaska
Petersburg Borough, Alaska
Petersburg Borough, Alaska. Petersburg Borough had 3,394 residents in 2025 by the Census Bureau's estimate, down 0.1% since 2020, while Alaska grew 0.5%. It holds 3 places (1 city, village or borough and 2 census-designated) and 1 census tract. GEOID 02195.
Residents, July 2025 estimate
3,394
Census Bureau estimate (no margin published)
2020 Census count: 3,398 · ACS 2020-2024: 3,409
Median household income
$75,125
±$14,547 (90% margin)
Alaska: $92,788
Median home value
$315,100
±$23,039 (90% margin)
Alaska: $352,900
Median gross rent
$950
±$151 (90% margin)
Alaska: $1,419
How many people live in Petersburg Borough, and is it growing?
The 2020 Census counted 3,398 residents in Petersburg Borough. The Census Bureau estimates 3,394 for July 1, 2025, down 0.1% since 2020, while Alaska grew 0.5%. The 2020-2024 American Community Survey puts the population at 3,409 over 2,901 square miles of land.
| Measure | Petersburg Borough | Alaska | Change since 2015-2019 |
|---|---|---|---|
| Total population | 3,409 | 735,706 | +152 |
| Households | 1,371±110 | 270,533 | +184 |
| Average household size | 2.28±0.16 | 2.61 | −0.40 |
| Housing units | 1,863±119 | 328,491 | no clear change |
Petersburg Borough's population since 2005
From 3,959 in 2005 to 3,394 in 2025: down 14.3%. 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.
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 Petersburg Borough?
Petersburg Borough holds 3 places: 1 city, village or borough (an incorporated place) and 2 census-designated places. The largest is Petersburg with 3,227 residents (2020-2024). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Petersburg | 3,043 | $71,369 |
|---|---|---|
| KupreanofGEOID 0242160 | 21 | not published |
| Hobart BayGEOID 0232550 | 1 | not published |
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 Petersburg Borough?
The median resident of Petersburg Borough is 45.7 years old; 18.6% are under 18 and 23.5% are 65 or older. The largest group is non-Hispanic white residents at 61.5%, then non-Hispanic Asian residents at 12.4%. 13.8% of residents were born outside the United States.
| Measure | Petersburg Borough | Alaska | Change since 2015-2019 |
|---|---|---|---|
| Median age | 45.7±2.6 | 35.8 | no clear change |
| Under 18 years | 18.6%±2.7 pts | 24.1% | – |
| 65 years and over | 23.5%±2.8 pts | 13.8% | – |
| Hispanic or Latino (any race) | 10.9%±6.4 pts | 7.3% | no clear change |
| White alone, not Hispanic | 61.5%±6.1 pts | 57.7% | no clear change |
| Black or African American alone, not Hispanic | 1.3%±1.3 pts | 2.9% | – |
| Asian alone, not Hispanic | 12.4%±3.2 pts | 6.4% | +7.8 pts |
| American Indian and Alaska Native alone, not Hispanic | 5.0%±1.4 pts | 13.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.2%±0.3 pts | 1.5% | – |
| Two or more races, not Hispanic | 8.4%±2.4 pts | 10.3% | – |
| Some other race alone, not Hispanic | 0.2%±0.2 pts | 0.7% | – |
| Born outside the United States | 13.8%±2.9 pts | 7.7% | +5.0 pts |
| Speak a language other than English at home (age 5+) | 18.9%±5.3 pts | 15.1% | – |
| Civilian veterans (age 18+) | 6.9%±2.0 pts | 10.7% | – |
| With a disability | 15.7%±2.5 pts | 13.6% | – |
| No health insurance coverage | 9.3%±2.7 pts | 11.0% | no clear change |
| High school graduate or higher (age 25+) | 90.5%±3.9 pts | 93.6% | – |
| Bachelor's degree or higher (age 25+) | 25.8%±4.3 pts | 31.7% | no clear change |
| Graduate or professional degree (age 25+) | 8.1%±2.1 pts | 11.8% | – |
| Moved from another state in the past year | 4.8%±2.8 pts | 3.9% | – |
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 Petersburg Borough earn?
Half of Petersburg Borough's 1,371 households earn less than $75,125 a year (±$14,547), against $92,788 in Alaska. In 2015-2019 it was $86,085 in 2024 dollars; the margins of error cannot tell the two periods apart. 7.0% of residents live below the poverty line.
| Measure | Petersburg Borough | Alaska | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $75,125±$14,547 | $92,788 | no clear change |
| Mean household income | $90,716±$8,563 | $118,985 | – |
| Per capita income | $42,950±$6,311 | $46,573 | no clear change |
| People below the poverty line | 7.0%±1.9 pts | 10.1% | no clear change |
| Children under 18 below the poverty line | 7.2%±2.9 pts | 12.2% | no clear change |
| Households receiving SNAP | 7.6%±2.5 pts | 10.1% | – |
| Households with a broadband subscription | 88.3%±3.0 pts | 91.9% | – |
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 Petersburg Borough?
Owners occupy 65.7% of Petersburg Borough's occupied homes and renters 34.3%. The median owner-occupied home is valued at $315,100 by its owner (±$23,039). The median renter pays $950 a month including utilities, and 28.6% of renters pay 35% or more of their income on rent.
| Measure | Petersburg Borough | Alaska | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $315,100±$23,039 | $352,900 | +$35,240 |
| Median gross rent | $950±$151 | $1,419 | −$224 |
| Renters paying 35% or more of income on rent | 28.6%±9.9 pts | 35.1% | no clear change |
| Median monthly owner costs, with a mortgage | $1,568±$232 | $2,229 | – |
| Owner-occupied homes | 65.7%±5.9 pts | 66.8% | no clear change |
| Housing units | 1,863±119 | 328,491 | no clear change |
| Homeowner vacancy rate | 0.7%±0.5 pts | 0.9% | – |
| Rental vacancy rate | 11.0%±6.5 pts | 7.0% | – |
| Single-family detached homes | 69.6%±4.1 pts | 63.2% | – |
| Mobile homes | 11.0%±2.6 pts | 3.9% | – |
| Built 2020 or later | 1.1%±1.0 pts | 0.9% | – |
| Built 1939 or earlier | 18.9%±4.0 pts | 1.7% | – |
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 Petersburg Borough building?
Builders took permits for 6 new housing units across Petersburg Borough in 2025 (6 single-family), 1.8 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Petersburg Borough get to work?
49.2% of Petersburg Borough's workers drive alone and 6.5% work from home. The average trip to work takes 6.8 minutes. The unemployment rate in 2020-2024 averaged 3.8%.
| Measure | Petersburg Borough | Alaska | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 66.2%±3.9 pts | 66.3% | – |
| Unemployment rate | 3.8%±2.0 pts | 5.9% | no clear change |
| Drove alone to work | 49.2%±5.6 pts | 65.0% | – |
| Carpooled | 12.2%±5.1 pts | 11.9% | – |
| Public transportation | 0.1%±0.1 pts | 1.0% | – |
| Walked | 22.8%±7.1 pts | 7.2% | – |
| Worked from home | 6.5%±2.1 pts | 9.7% | no clear change |
| Mean travel time to work | 6.8 min±1.0 | 19.4 min | −2.0 min |
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 Petersburg Borough's census tracts?
Petersburg Borough is a single census tract.
| Tract 202195000200 | 3,409 | $75,125 |
|---|
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Petersburg Borough compare with Alaska's other counties?
| Measure | Rank |
|---|---|
| Population | 21st of 30 |
| Growth 2020-2025 | 10th of 30 |
| Residents per square mile | 12th of 30 |
| Median household income | 21st of 30 |
| Median home value | 11th of 30 |
| Median gross rent | 27th of 30 |
| Poverty rate | 24th of 27 |
| Bachelor's degree or higher | 12th of 27 |
| Median age | 5th of 30 |
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 Petersburg 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.