Petersburg Population

1790–2026

33,892

2026 projection

1.5% since 2020 (increase)

010K20K30K40K50K18001850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Petersburg. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202633,892+1580.47%
202533,734-2960.87%
202434,030+7142.14%
202333,316-1680.50%
202233,484+400.12%
202133,444+460.14%
202033,398+2,8059.17%
201930,593+200.07%
201830,573-3931.27%
201730,966-4131.32%

Showing 10 of 39 years.

Petersburg Demographics

35.8median age

Median age

Female37.3 yrs
Male34.4 yrs

Adults

25,535
5,634 seniors · 22%19,901 other adults

Sex

Female 54.8% · 18,394Male 45.2% · 15,143

Population by age

MaleFemale85+ years, male: 10885+ years, female: 44780–84 years, male: 19480–84 years, female: 49975–79 years, male: 46375–79 years, female: 49970–74 years, male: 43070–74 years, female: 98965–69 years, male: 1,00465–69 years, female: 1,00160–64 years, male: 98760–64 years, female: 89955–59 years, male: 1,00355–59 years, female: 1,57550–54 years, male: 80950–54 years, female: 1,11045–49 years, male: 54445–49 years, female: 75440–44 years, male: 60840–44 years, female: 92935–39 years, male: 1,24735–39 years, female: 1,14830–34 years, male: 1,21830–34 years, female: 1,46925–29 years, male: 1,23525–29 years, female: 1,54420–24 years, male: 99820–24 years, female: 1,28115–19 years, male: 76115–19 years, female: 71710–14 years, male: 65710–14 years, female: 1,0205–9 years, male: 1,6885–9 years, female: 1,0260–4 years, male: 1,1890–4 years, female: 1,48785+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 335 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Petersburg Income

$50,698median household income

Median household income

$50,698

Half of households earn more, half earn less

Median earnings

$41,351

Typical yearly pay for a worker 25 or older.

Poverty rate

21.7%

About 1 in 5 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Petersburg Marital Status

25% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married25%29%22%
Never married50%51%50%
Divorced15%13%16%
Widowed7%4%10%
Separated3%4%3%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year