Petersburg, WI Demographics

Population 24 · Census ACS 2020–24

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Petersburg, WI map of median age by neighborhood
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Population and households in Petersburg

Household size in Petersburg

Household size, people per household
PeriodPetersburgWisconsinU.S.
2006–102.212.452.68
2010–142.432.472.73
2015–192.532.432.71
2020–242.402.402.65
Change+0.19−0.06−0.03
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The average household in Petersburg has 2.40 people, under the U.S. average of 2.65. The picture is much the same across Wisconsin. Since 2006–10, household size has climbed from 2.21, but in a place this small, much of that may be survey noise rather than real change.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in Petersburg

Median age, years
PeriodPetersburgWisconsinU.S.
2006–1050.338.837.7
2010–1450.439.938.6
2015–1948.140.939.6
2020–2443.441.440.1
Change−7.0+2.6+2.3
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The median resident of Petersburg is 43.4 years old, older than the national median of 40.1.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in Petersburg

Single-parent households, % of households
PeriodPetersburgWisconsinU.S.
2006–103.6%10.4%12.3%
2010–144.4%10.5%12.3%
2015–197.8%10.0%11.6%
2020–242.3%9.8%11.6%
Change−1.3 pts−0.6 pts−0.6 pts
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Single parents head only 2.3% of households in Petersburg, well below the national share of 11.6%.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in Petersburg

Renters in Petersburg

Renters, % of occupied homes
PeriodPetersburgWisconsinU.S.
2006–1017.6%30.5%33.3%
2010–1413.1%32.3%35.6%
2015–199.4%33.0%36.0%
2020–249.2%32.2%34.8%
Change−8.5 pts+1.6 pts+1.5 pts
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Petersburg is overwhelmingly a place of homeowners: only 9.2% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 42.5% have no mortgage at all, about the same as nationally.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in Petersburg

Vacant homes, % of all homes
PeriodPetersburgWisconsinU.S.
2006–1017.7%10.5%11.4%
2010–1423.9%10.6%11.4%
2015–1928.4%10.1%11.1%
2020–2427.8%9.2%9.6%
Change+10.1 pts−1.3 pts−1.8 pts
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Vacancy is high in Petersburg: 27.8% of homes are empty, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in Petersburg

Age of homes, median year built
PeriodPetersburgWisconsinU.S.
2006–10197119701974
2010–14197519711975
2015–19198219721977
2020–24199119741980
Change+20+5+6
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Much of the housing in Petersburg is relatively new: half of its homes were built after 1991, compared with 1980 for the U.S. as a whole.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in Petersburg

Rent, per month
PeriodPetersburgWisconsinU.S.
2006–10$599$758$965
2010–14$643$821$1,040
2015–19$619$904$1,213
2020–24$971$1,139$1,571
Change+$372+$380+$606
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A typical rental in Petersburg costs $971 a month with utilities, well below the national median of $1,571. Rent takes 22.0% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in Petersburg

Bachelor's degrees in Petersburg

Bachelor's degrees, % of adults 25+
PeriodPetersburgWisconsinU.S.
2006–1015.5%26.5%28.4%
2010–1411.3%28.0%29.6%
2015–1917.6%30.4%32.1%
2020–2417.7%33.6%35.6%
Change+2.2 pts+7.0 pts+7.2 pts
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College degrees are relatively uncommon in Petersburg: 17.7% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in Petersburg

High school graduates, % of adults 25+
PeriodPetersburgWisconsinU.S.
2006–1091.7%89.5%84.9%
2010–1490.1%90.7%86.1%
2015–1991.0%92.1%87.7%
2020–2482.9%93.3%89.3%
Change−8.8 pts+3.8 pts+4.3 pts
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About one in six adults in Petersburg never finished high school, well above the national share: only 82.9% have a diploma or equivalent, against 89.3% nationally.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in Petersburg

Unemployment, % of the labor force
PeriodPetersburgWisconsinU.S.
2006–105.4%6.7%8.1%
2010–148.0%7.3%9.4%
2015–192.8%3.7%5.6%
2020–241.0%3.3%5.4%
Change−4.4 pts−3.4 pts−2.7 pts
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Unemployment in Petersburg has been low: just 1.0% of the labor force was out of work and looking, well below the national rate of 5.4%. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

Petersburg compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Petersburg2.4043.42.3%9.2%27.8%1991$97117.7%82.9%1.0%
Gays Mills2.3448.05.5%19.7%22.4%1986$83119.0%91.5%2.8%
Bell Center2.3650.65.0%25.6%18.5%1989$78914.5%93.0%4.2%
Seneca2.5450.88.4%11.8%25.5%1983$80420.5%96.4%4.2%
Mount Sterling2.2153.310.9%14.4%25.6%1977$81121.2%96.3%1.7%
Steuben2.4245.54.6%20.6%24.8%1982$84220.0%91.4%3.7%
Mount Zion2.3947.33.5%17.8%22.7%1991$88115.1%87.8%2.7%
Plugtown2.4243.11.8%8.2%28.1%1992$98816.7%81.8%0.9%
Lynxville2.6350.18.0%11.8%25.0%1983$79321.1%97.2%5.0%
Rolling Ground2.4149.56.5%26.1%18.1%1989$78214.5%92.9%4.0%
Towerville2.2046.88.3%19.1%24.4%1978$77529.8%96.2%2.2%

All figures 2020–24.

Cities with similar populations: Loma Alta, TX · South Wareham, MA · South Dyersburg, TN · South Bay, NY · Somerset, LA · Sofia, NM · Sodom, WV · Smithville, VT · Smithfield, OR · Silver Gate, MT

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Petersburg. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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