99833 ZIP Code — Petersburg, AK
Petersburg County, Alaska
ZIP code 99833 is located in Petersburg, Alaska, within Petersburg County. It covers approximately 2,959.52 square miles and serves a population of 3,374 residents. This is a standard ZIP code in the Alaska (AKT) timezone, served by area code 907.
About ZIP code 99833
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $279,800. Owner-occupancy sits near the national average at 73%.
Median household income is $77,826. The poverty rate of 5% is below the national average. 35% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 7 minutes is near the national average.
Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.
3,374
population
2,959.52
sq mi land
Standard
ZIP type
Alaska (AKT)
timezone
99833 ZIP code map
Cities in ZIP code 99833
Below are the cities the US Postal Service accepts for ZIP code 99833. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Petersburg | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 3,374 |
| Population density | 1,687 / sq mi |
| State FIPS | 02 |
| County FIPS | 195 |
| Geography | |
|---|---|
| Land area | 2,959.52 sq mi |
| Water area | 693.76 sq mi |
| Latitude | 56.7115 |
| Longitude | -133.1328 |
| Timezone | Alaska (AKT) |
| Area code | 907 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.0% | 37.4% | 29.8% |
| $50k – $100k | 35.1% | 35.6% | 32.4% |
| $100k – $200k | 20.6% | 19.6% | 28.9% |
| Over $200k | 8.3% | 7.4% | 8.8% |
Demographics & statistics
3,374
Population
1,687
People per sq mi
50.1
Median age
$77,826
Median household income
$37,856
Per capita income
$279,800
Median home value
$1,074
Median monthly rent
73.4%
Home ownership
4.6%
Poverty rate
4.4%
Unemployment
1,458
Housing units
24.8%
Bachelor's or higher
Age distribution
Male
Female
73
Under 5
75
79
5–9
82
87
10–14
91
87
15–19
91
84
20–24
88
173
25–34
179
148
35–44
154
159
45–54
165
218
55–59
226
134
60–64
139
250
65–74
260
142
75–84
147
21
85+
22
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 606 | 18.0% |
| 18 and over | 2,768 | 82.0% |
| 65 and over | 842 | 25.0% |
| Median age | 50.1 years | |
Race & ethnicity
White
55%
Asian
17%
Two or more races
10.8%
American Indian / Alaska Native
7.6%
Hispanic or Latino
4.7%
Other race
3.4%
Black or African American
1.1%
Native Hawaiian / Pacific Islander
0.5%
| Group | Count | % |
|---|---|---|
| White | 1,948 | 55% |
| Asian | 602 | 17% |
| Two or more races | 381 | 10.8% |
| American Indian / Alaska Native | 268 | 7.6% |
| Hispanic or Latino | 165 | 4.7% |
| Other race | 120 | 3.4% |
| Black or African American | 39 | 1.1% |
| Native Hawaiian / Pacific Islander | 16 | 0.5% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.0% | 37.4% | 29.8% |
| $50k – $100k | 35.1% | 35.6% | 32.4% |
| $100k – $200k | 20.6% | 19.6% | 28.9% |
| Over $200k | 8.3% | 7.4% | 8.8% |
Under $10k
1.9%
$10k–$15k
1.5%
$15k–$25k
8.9%
$25k–$35k
7.7%
$35k–$50k
14.0%
$50k–$75k
15.5%
$75k–$100k
17.9%
$100k–$150k
14.0%
$150k–$200k
8.0%
$200k+
10.5%
| Range | % of households |
|---|---|
| Under $10k | 1.9% |
| $10k–$15k | 1.5% |
| $15k–$25k | 8.9% |
| $25k–$35k | 7.7% |
| $35k–$50k | 14.0% |
| $50k–$75k | 15.5% |
| $75k–$100k | 17.9% |
| $100k–$150k | 14.0% |
| $150k–$200k | 8.0% |
| $200k+ | 10.5% |
| Median income | $77,826 |
Housing
Home values
Under $50k
7.9%
$50k–$100k
4.7%
$100k–$150k
3.7%
$150k–$200k
14.3%
$200k–$300k
25.3%
$300k–$500k
31.1%
$500k–$1M
10.4%
$1M+
2.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $279,800 |
| Median rent / month | $1,074 |
| Owner occupied | 73.4% |
| Renter occupied | 26.6% |
| Vacant | 30.0% |
| Single-family detached | 71.4% |
| Large apartment buildings | 3.3% |
| Mobile homes | 8.6% |
| Median rooms | 4.9 |
| Avg household size (owned) | 2.66 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 5.4% |
| 2000–2009 | 6.9% |
| 1990–1999 | 16.1% |
| 1980–1989 | 21.0% |
| 1970–1979 | 19.0% |
| 1960–1969 | 3.9% |
| 1950–1959 | 3.8% |
| 1940–1949 | 3.9% |
| 1939 or earlier | 20.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 7.4% |
| 1 bedroom | 17.7% |
| 2 bedrooms | 21.4% |
| 3 bedrooms | 38.5% |
| 4 bedrooms | 11.9% |
| 5+ bedrooms | 3.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 12.6% |
| 1 vehicle | 28.2% |
| 2 vehicles | 41.1% |
| 3 or more | 18.1% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 2.5% |
| Electricity | 49.4% |
| Propane / LP gas | 1.0% |
| Fuel oil | 41.3% |
| Wood | 3.7% |
| No fuel used | 0.2% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 714 | 56.9% |
| Cohabiting couple | 78 | 6.2% |
| Male householder, no spouse | 187 | 14.9% |
| Female householder, no spouse | 275 | 21.9% |
| Households with children under 18 | 328 | 26.2% |
| Households with seniors (65+) | 536 | 42.7% |
| Average household size | 2.59 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 28.7% | 22.5% |
| Married | 60.7% | 57.7% |
| Separated | 0.5% | 1.2% |
| Widowed | 2.1% | 9.8% |
| Divorced | 8.0% | 8.9% |
Education
Less than 9th grade
8.7%
Some HS, no diploma
4.3%
HS graduate
31.8%
Some college, no degree
22.3%
Associate's degree
8.0%
Bachelor's degree
17.7%
Graduate / professional
7.1%
| Metric | % |
|---|---|
| HS diploma or higher | 87.0% |
| Bachelor's or higher | 24.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 36 | 6.3% |
| Kindergarten | 37 | 6.5% |
| Elementary school | 256 | 45.0% |
| High school | 157 | 27.6% |
| College / grad school | 83 | 14.6% |
Employment
Industry of employment
Education & healthcare
19.6%
Retail trade
17.9%
Agriculture & mining
13.4%
Arts, food & hospitality
9.6%
Manufacturing
9.5%
Professional & management
9.3%
Transportation & utilities
5.0%
Public administration
4.6%
Construction
3.9%
Other services
3.4%
Finance & real estate
1.6%
Wholesale trade
1.2%
Information
0.9%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 24.4% |
| Service | 20.8% |
| Sales & office | 20.8% |
| Natural resources & construction | 13.5% |
| Production & transportation | 20.5% |
Employment type
| Type | % |
|---|---|
| Private sector | 64.3% |
| Government | 22.6% |
| Self-employed | 12.8% |
| Unpaid family workers | 0.3% |
Commute
| Method | % |
|---|---|
| Drive alone | 58.7% |
| Carpool | 9.3% |
| Public transit | 0.2% |
| Walk | 19.5% |
| Work from home | 5.9% |
| Other means | 6.4% |
| Avg commute (minutes) | 7.2 |
Poverty
All people
4.6%
Under 18 years
6.8%
18 and over
4.1%
Married-couple families
1.7%
Female-led households
20.7%
Income support
| Source | % of households |
|---|---|
| Social Security | 34.5% |
| Retirement income | 27.5% |
| Supplemental Security | 5.3% |
| Cash public assistance | 8.6% |
| Food stamps / SNAP | 10.6% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 31.4% |
| High blood pressure | 31.4% |
| High cholesterol | 32.9% |
| Diabetes | 8.3% |
| Heart disease | 5.8% |
| Stroke | 2.7% |
| Asthma | 9.2% |
| Arthritis | 22.8% |
| Kidney disease | 2.5% |
| Pulmonary disease | 5.9% |
| Cancer | 6.4% |
| Behavior / access | % |
|---|---|
| Smoking | 18.1% |
| Binge drinking | 19.5% |
| No physical activity | 20.9% |
| Less than 7 hrs sleep | 30.7% |
| Depression | 17.6% |
| Fair or poor health | 12.2% |
| Poor mental health | 12.2% |
| Poor physical health | 9.5% |
| No health insurance | 13.1% |
| Visited doctor (checkup) | 62.2% |
| Visited dentist | 61.9% |
| Cholesterol screening | 88.5% |
| Teeth loss | 12.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 224 | 8.2% |
| Disability | % |
|---|---|
| Any disability | 19.0% |
| Under 18 | 3.3% |
| 18–64 years | 13.0% |
| 65 and over | 43.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 61.6% |
| Public insurance | 46.7% |
| No insurance | 9.6% |
| Uninsured under 19 | 5.5% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 3,226 | 95.6% |
| Spanish | 352 | 10.9% |
| Other Indo-European | 17 | 0.5% |
| Asian & Pacific Islander | 11 | 0.3% |
| Other languages | 314 | 9.7% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 2,671 | 79.2% |
| Born in same state | 2,617 | 77.6% |
| Born in different state | 1,137 | 33.7% |
| Foreign born | 54 | 1.6% |
| Naturalized citizen | 703 | 20.8% |
| Not a US citizen | 430 | 61.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 355 | 10.5% |
| Italian | 273 | 8.1% |
| French | 248 | 7.4% |
| Arab | 66 | 2% |
| English | 50 | 1.5% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 23 | 0.7% |
| German | 7 | 0.2% |
| Irish | 4 | 0.1% |
| Norwegian | 1 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 37.2% |
| Internet access | 92.6% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99833
What city is ZIP code 99833 in?
ZIP code 99833 is primarily assigned to Petersburg, Alaska.
What county is ZIP code 99833 in?
ZIP code 99833 falls within Petersburg County, Alaska.
What is the population of ZIP code 99833?
ZIP code 99833 has an estimated population of 3,374 residents, with a density of 1 people per square mile.
What is the typical home value in ZIP code 99833?
The median home value in ZIP code 99833 is $279,800.
What is the median household income in ZIP code 99833?
The median household income in ZIP code 99833 is $77,826, above the national median of ~$75,000.
What timezone is ZIP code 99833 in?
ZIP code 99833 observes the AKST timezone.