Population 4,899 · Census ACS 2020–24
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Population and households in Petersburg
Household size in Petersburg
| Period | Petersburg | Michigan | U.S. |
|---|---|---|---|
| 2006–10 | 2.82 | 2.58 | 2.68 |
| 2010–14 | 2.58 | 2.58 | 2.73 |
| 2015–19 | 2.69 | 2.53 | 2.71 |
| 2020–24 | 2.76 | 2.51 | 2.65 |
| Change | −0.06 | −0.06 | −0.03 |
The typical household in Petersburg holds 2.76 people, slightly more than the U.S. average of 2.65. Households are largest in the northeast and smallest in the southeast. Petersburg has larger households than the great majority of Michigan cities.
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
| Period | Petersburg | Michigan | U.S. |
|---|---|---|---|
| 2006–10 | 37.7 | 38.9 | 37.7 |
| 2010–14 | 43.0 | 40.1 | 38.6 |
| 2015–19 | 42.3 | 41.0 | 39.6 |
| 2020–24 | 40.9 | 41.3 | 40.1 |
| Change | +3.2 | +2.4 | +2.3 |
Half of the people in Petersburg are younger than 40.9 and half are older, close to the national median of 40.1. The median age has climbed from 37.7 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next. The youngest areas are in the west, the oldest in the southeast.
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
| Period | Petersburg | Michigan | U.S. |
|---|---|---|---|
| 2006–10 | 8.4% | 11.3% | 12.3% |
| 2010–14 | 7.0% | 11.5% | 12.3% |
| 2015–19 | 6.2% | 10.9% | 11.6% |
| 2020–24 | 8.7% | 10.7% | 11.6% |
| Change | +0.3 pts | −0.6 pts | −0.6 pts |
Single-parent households are less common in Petersburg than nationally: 8.7%, against 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
| Period | Petersburg | Michigan | U.S. |
|---|---|---|---|
| 2006–10 | 12.4% | 25.8% | 33.3% |
| 2010–14 | 15.2% | 28.5% | 35.6% |
| 2015–19 | 10.7% | 28.8% | 36.0% |
| 2020–24 | 11.0% | 26.8% | 34.8% |
| Change | −1.4 pts | +1.0 pts | +1.5 pts |
Petersburg is overwhelmingly a place of homeowners: only 11.0% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 36.6% have no mortgage at all, below the national share of 39.8%.
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
| Period | Petersburg | Michigan | U.S. |
|---|---|---|---|
| 2006–10 | 6.8% | 13.0% | 11.4% |
| 2010–14 | 4.4% | 13.0% | 11.4% |
| 2015–19 | 8.3% | 11.9% | 11.1% |
| 2020–24 | 8.8% | 10.2% | 9.6% |
| Change | +2.0 pts | −2.8 pts | −1.8 pts |
About as many homes sit empty in Petersburg as nationally: 8.8%, against 9.6%.
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
| Period | Petersburg | Michigan | U.S. |
|---|---|---|---|
| 2006–10 | 1970 | 1969 | 1974 |
| 2010–14 | 1967 | 1970 | 1975 |
| 2015–19 | 1967 | 1971 | 1977 |
| 2020–24 | 1969 | 1972 | 1980 |
| Change | −1 | +3 | +6 |
The housing in Petersburg is old by national standards: the median home dates to 1969, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. The picture is much the same across Michigan. The newest homes are mostly in the southeast, the oldest in the west.
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
| Period | Petersburg | Michigan | U.S. |
|---|---|---|---|
| 2006–10 | $916 | $833 | $965 |
| 2010–14 | $879 | $886 | $1,040 |
| 2015–19 | $851 | $978 | $1,213 |
| 2020–24 | $1,267 | $1,228 | $1,571 |
| Change | +$350 | +$395 | +$606 |
Rent in Petersburg runs $1,267 a month at the median, utilities included, below the U.S. median of $1,571. The typical renter here spends 33.6% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched. The priciest rents are in the center; the most affordable are in the south.
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
| Period | Petersburg | Michigan | U.S. |
|---|---|---|---|
| 2006–10 | 17.7% | 26.1% | 28.4% |
| 2010–14 | 17.3% | 27.1% | 29.6% |
| 2015–19 | 20.1% | 29.5% | 32.1% |
| 2020–24 | 24.9% | 32.7% | 35.6% |
| Change | +7.2 pts | +6.6 pts | +7.2 pts |
College degrees are relatively uncommon in Petersburg: 24.9% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. College graduates are most concentrated in the south and least in the west.
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
| Period | Petersburg | Michigan | U.S. |
|---|---|---|---|
| 2006–10 | 90.3% | 88.3% | 84.9% |
| 2010–14 | 91.5% | 89.3% | 86.1% |
| 2015–19 | 95.3% | 90.7% | 87.7% |
| 2020–24 | 96.3% | 91.8% | 89.3% |
| Change | +6.0 pts | +3.5 pts | +4.3 pts |
High school completion is high in Petersburg: 96.3% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. Petersburg has a higher share of high school graduates than at least four in five Michigan cities.
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
| Period | Petersburg | Michigan | U.S. |
|---|---|---|---|
| 2006–10 | 8.2% | 11.5% | 8.1% |
| 2010–14 | 6.8% | 11.7% | 9.4% |
| 2015–19 | 5.0% | 6.1% | 5.6% |
| 2020–24 | 2.7% | 5.9% | 5.4% |
| Change | −5.5 pts | −5.7 pts | −2.7 pts |
The job market in Petersburg has been strong: just 2.7% of the labor force was out of work and looking, well below the national rate of 5.4%. Petersburg has lower unemployment than at least four in five Michigan cities. 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
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Petersburg | 2.76 | 40.9 | 8.7% | 11.0% | 8.8% | 1969 | $1,267 | 24.9% | 96.3% | 2.7% |
| Lulu | 2.90 | 38.4 | 6.4% | 3.9% | 4.3% | 1975 | $969 | 22.1% | 95.0% | 8.6% |
| Deerfield | 2.63 | 42.2 | 11.6% | 14.5% | 12.3% | 1952 | $936 | 20.7% | 95.7% | 3.6% |
| Ida | 2.73 | 44.3 | 8.0% | 5.4% | 5.8% | 1975 | $964 | 24.8% | 93.0% | 3.9% |
| Dundee | 2.51 | 37.8 | 12.3% | 30.9% | 8.2% | 1987 | $1,160 | 34.1% | 96.8% | 3.5% |
| Samaria | 2.83 | 43.6 | 11.5% | 5.1% | 4.5% | 1972 | $1,367 | 20.2% | 92.5% | 3.1% |
| Ottawa Lake | 2.58 | 49.7 | 7.9% | 15.6% | 6.0% | 1965 | $909 | 26.3% | 97.4% | 2.8% |
| Whiteford Center | 2.25 | 51.6 | 5.2% | 26.7% | 3.4% | 1964 | $863 | 25.4% | 97.5% | 5.6% |
| Riga | 2.64 | 48.2 | 4.3% | 5.5% | 6.2% | 1948 | $1,017 | 28.5% | 96.6% | 1.3% |
| Lambertville | 2.55 | 48.0 | 6.3% | 4.4% | 4.1% | 1982 | $1,273 | 29.1% | 95.5% | 2.1% |
| Azalia | 2.78 | 39.6 | 7.2% | 5.6% | 17.6% | 1951 | $1,313 | 26.5% | 95.3% | 2.5% |
All figures 2020–24.
Cities with similar populations: Elk, WA · East Walpole, MA · East Wareham, MA · East Windsor, CT · Whittier, NC · Eastover, SC · Whiteville, TN · Eden, UT · Whites Creek, TN · Edgewood, OH
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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