Petersburg, Alaska Population 2021

3,136
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Petersburg is a city located in Petersburg County Alaska. Petersburg has a 2020 population of 3,136. Petersburg is currently declining at a rate of 0.00% annually and its population has increased by 6.38% since the most recent census, which recorded a population of 2,948 in 2010. Petersburg reached it's highest population of in .

The average household income in Petersburg is $93,207 with a poverty rate of 5.54%. The median rental costs in recent years comes to $956 per month, and the median house value is $228,900. The median age in Petersburg is 41.7 years, 37.5 years for males, and 45.4 years for females.

Petersburg Demographics

According to the most recent ACS, the racial composition of Petersburgwas:

  • White: 76.02%
  • Two or more races: 9.79%
  • Native American: 7.65%
  • Asian: 4.50%
  • Black or African American: 1.05%
  • Native Hawaiian or Pacific Islander: 0.61%
  • Other race: 0.38%
The current population of Petersburg, Alaska is 3,136 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 3,136.The last official US Census in 2010 recorded the population at 2,948.

Petersburg, Alaska Population 2021

Population by Race

Race Population Percentage
White2,38476.02%
Two or More Races3079.79%
American Indian and Alaska Native2407.65%
Asian1414.50%
Black or African American331.05%
Native Hawaiian and Other Pacific Islander190.61%
Some Other Race120.38%
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Petersburg Population by Race

Petersburg Population Pyramid $2021

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Petersburg Median Age

41.7


Total

37.5


Male

45.4


Female

Petersburg Adults

There are 2,487 adults, (674 of whom are seniors) in Petersburg.

Petersburg Age Dependency

73

Age Dependency Ratio

37.2

Old Age Dependency Ratio

35.8

Child Dependency Ratio

Petersburg Sex Ratio

Female

1,475

47.03%

Male

1,661

52.97%

Petersburg Population by Age

Petersburg Renter vs Owner Occupied by Household Type

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Petersburg Household Types

Type Owner Renter
Non Family48.2%51.8%
Male59.5%40.5%
All69%31%
Female72.5%27.5%
Married82.7%17.3%

69.0%

Rate of Home Ownership

Petersburg Households and Families

Type Count Average Size Owned
All1,1342.7369
Married5723.3482.7
Non Family3821.3148.2
Female1383.8572.5
Male423.5559.5

3.37

Average Family Size

2.73

Average Household Size

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Petersburg Households by Type

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Education Attained Count Percentage
Less Than 9th Grade793.77%
9th to 12th Grade1306.20%
High School Graduate69633.17%
Some College46922.35%
Associates Degree1487.05%
Bachelors Degree45421.64%
Graduate Degree1225.82%
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Petersburg Educational Attainment by Sex (over 25)

Petersburg Educational Attainment by Race

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Race Total High School Bachelors
White1,5021,454512
Hispanic17110112
Native American161953
2+ Races11711526
Asian1119216
Black24205
Islander19193
Other Race85

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 34.09%.

Petersburg Educational Attainment by Race

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Name Average Male Female
Overall$45,917$62,500$32,091
Less Than 9th Grade$21,125$21,806$
High School Graduate$29,904$41,042$18,000
Some College$58,750$76,625$34,375
Bachelors Degree$51,833$62,986$50,625
Graduate Degree$78,125$86,250$70,938

$45,917

Average Earnings

$62,500

Average Male

$32,091

Average Female

Petersburg Earnings by Educational Attainment

Petersburg Language by Age

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Petersburg Language

82.92% of Petersburg residents speak only English, while 17.08% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.93% of the population.

Petersburg Language

Petersburg Poverty by Race

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Name Total In Poverty Poverty Rate
White2,032653.20%
Native2363816.10%
Multiple3043411.18%
Hispanic381123.15%
Asian140107.14%
Islander191052.63%
Black33412.12%
Other12216.67%

5.54%

Overall Poverty Rate

4.55%

Male Poverty Rate

6.65%

Female Poverty Rate

Poverty in Petersburg

The race most likely to be in poverty in Petersburg is Islander, with 52.63% below the poverty level.

The race least likely to be in poverty in Petersburg is Hispanic, with 3.15% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.56%. Among those working part-time, it was 7.06%, and for those that did not work, the poverty rate was 7.31%.

Petersburg Poverty

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Name Poverty
Less Than 9th Grade7.66%
High School5.89%
Some College5.51%
Bachelors or Greater0.87%

Petersburg Poverty Rate by Education

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Rate Poverty
Female Unemployed63.16%
Male Unemployed21.95%
Female Employed5.89%
Male Employed1.40%

Petersburg Poverty Rate by Employment Status and Sex

Petersburg Income by Household Type

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Name Median Mean
Households$70,750$93,207
Families$81,667$108,462
Married Families$101,591-
Non Families$43,000$60,638
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Income by Household Type

Petersburg Marital Status

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Marriage Rates

50.4%

Overall Marriage Rate

50.3%

Male Marriage Rate

50.6%

Female Marriage Rate

Petersburg Married by Age and Sex

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Petersburg Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Petersburg Marital Status by Race

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Petersburg Marital Status

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294

Number of Veterans

285

Male Veterans

9

Female Veterans

War Veterans
Vietnam193
First Gulf War31
Second Gulf War29
World War II6
Korea6

Petersburg Veterans by War

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Age Group Veterans
75+121
65 to 74100
35 to 5439
55 to 6422
18 to 3412

Petersburg Veterans by Age

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Name Veterans % of Total
White27414.14%
2+ Races137.51%
Hispanic113.21%
Native American31.57%
Asian21.69%
Black26.67%

Petersburg Veterans by Race

Petersburg Veterans by Education

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0.68%

Veteran Poverty Rate

59.86%

Veteran Disability Rate

Petersburg Veterans by Education

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65.4%

Labor Force Participation

62.7%

Employment Rate

3.6%

Unemployment Rate

Petersburg Employment by Age

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Petersburg Employment by Race

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Petersburg Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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41.04%

Born in Petersburg

91.26%

Native Born

8.74%

Foreign Born

3.83%

Non Citizen

4.91%

Naturalized

Place of Birth

91.26% of Petersburg residents were born in the United States, with 41.04% having been born in Alaska. 3.83% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Petersburg Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
20213,1360.00%
20203,1360.00%
20193,136300.97%
20183,106190.62%
20173,087913.04%
20162,996-28-0.93%
20153,024983.35%
20142,926-61-2.04%
20132,987-176-5.56%
20123,163652.10%
20113,0981505.09%
20102,948-276-0.89%
20003,224170.05%
19903,2073861.29%
19802,8218213.50%
19702,0005002.92%
19601,500-100-0.64%
19501,6003002.10%
19401,3001000.80%
19301,2003002.92%
19209000.00%

Petersburg Population by Year