Overview
3,259
Total Population
48.2
Median age
48.24%
Female population %
107.3:100
Gender ratio (M:F)
55-59 years
Largest age group
76.5
Total dependency ratio
White
Largest racial group
191
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Petersburg's population is old compared to the rest of the country:
- The median age in Petersburg is 48.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Petersburg's population under 18 was 18.44%, compared to the 22.51% nationwide.
- Petersburg's elderly or the senior population (over 65 age) was 27.59% as compared to 16.04% nationwide.
- Of the total population in Petersburg, 15.77% were under the age of 15, 14.08% aged 15 to 29, 42.56% aged 30 to 64, 26.42% aged 65 to 84, and 1.17% were 85 years of age and older.

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Gender
There are 115 less females than males in Petersburg:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.24% females and 51.76% males in Petersburg, AK.
- The Petersburg, AK gender ratio is 107.3:100 i.e. 107.3 men to 100 women (1.073).
- For male population, the largest age group is 55-59 years with a population of 206.
- For the female population, the largest age group is 65-69 years with a population of 155.

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Race / Ethnicity
Petersburg's population has become increasingly diverse:
- Racial distribution of Petersburg population: 64.04% are White, 1.04% are Black or African American, 6.51% are American Indian and Alaska Native, 16.85% are Asian, 0.15% are Native Hawaiian and other Pacific Islander, 0.31% are some other race and 11.11% are multiracial.
- Petersburg's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, 191 is Hispanic or Latino (of any race), and 3,068 (94.14% of the total population) is Non-Hispanic.
- The largest racial group in Petersburg is White with a population of 2,087 (64.04% of the total population).

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Year by year
Petersburg's stop-gap:
- The peak population was stop-gap in the year stop-gap
- From 2000 to 2010, Petersburg's population stop-gap by stop-gap (stop-gap), as compared to the national growth of stop-gap.
- From 2010 to 2020, Petersburg's population stop-gap by stop-gap (stop-gap), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the stop-gap was stop-gap.
- Between the year stop-gap and stop-gap, Petersburg's population was lowest in year stop-gap at stop-gap.

Read more about Petersburg, AK population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)