Population 613 · Census ACS 2020–24
Choose a measure to map it.Tap a measure to map it. Swipe the row for more. Arrows show the change since 2006–10.
Median age by neighborhoodHistory and comparison ↓︎
Younger residents
Older residents
Colorblind friendly
off
More maps of St. Onge: Best Neighborhoods · Walk Grade · Household income · Home prices · Race · Politics · Traffic noise · Internet
Population and households in St. Onge
Household size in St. Onge
| Period | St. Onge | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 2.31 | 2.51 | 2.68 |
| 2010–14 | 2.33 | 2.51 | 2.73 |
| 2015–19 | 2.49 | 2.50 | 2.71 |
| 2020–24 | 2.43 | 2.48 | 2.65 |
| Change | +0.12 | −0.03 | −0.03 |
The average household in St. Onge has 2.43 people, under the U.S. average of 2.65. That is in line with the rest of South Dakota. Since 2006–10, household size has climbed from 2.31, but in a place this small, survey estimates can swing a lot from one release to the next.
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 St. Onge
| Period | St. Onge | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 43.9 | 37.9 | 37.7 |
| 2010–14 | 48.4 | 38.3 | 38.6 |
| 2015–19 | 46.8 | 38.8 | 39.6 |
| 2020–24 | 50.7 | 38.9 | 40.1 |
| Change | +6.8 | +1.0 | +2.3 |
St. Onge skews older: half of its residents are older than 50.7, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families.
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 St. Onge
| Period | St. Onge | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 4.2% | 10.8% | 12.3% |
| 2010–14 | 2.0% | 11.1% | 12.3% |
| 2015–19 | 9.3% | 10.9% | 11.6% |
| 2020–24 | 6.5% | 10.7% | 11.6% |
| Change | +2.3 pts | −0.1 pts | −0.6 pts |
Single-parent households are relatively rare in St. Onge: 6.5% of households, against 11.6% nationally.
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 St. Onge
Renters in St. Onge
| Period | St. Onge | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 20.9% | 31.1% | 33.3% |
| 2010–14 | 16.8% | 32.0% | 35.6% |
| 2015–19 | 27.1% | 32.0% | 36.0% |
| 2020–24 | 9.2% | 31.4% | 34.8% |
| Change | −11.7 pts | +0.3 pts | +1.5 pts |
Only 9.2% of households in St. Onge rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. More than four in ten owners (43.8%) have paid off their mortgages, above 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 St. Onge
| Period | St. Onge | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 10.3% | 11.3% | 11.4% |
| 2010–14 | 8.3% | 10.7% | 11.4% |
| 2015–19 | 5.0% | 11.6% | 11.1% |
| 2020–24 | 13.5% | 10.3% | 9.6% |
| Change | +3.2 pts | −1.1 pts | −1.8 pts |
More homes sit empty in St. Onge than nationally: 13.5%, against 9.6%. The count includes vacation homes and homes between owners or tenants, not just abandoned ones.
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 St. Onge
| Period | St. Onge | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 1994 | 1972 | 1974 |
| 2010–14 | 1995 | 1974 | 1975 |
| 2015–19 | 2002 | 1977 | 1977 |
| 2020–24 | 2003 | 1981 | 1980 |
| Change | +9 | +9 | +6 |
St. Onge has newer housing than the country as a whole: the median home was built in 2003, versus 1980 nationally.
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 St. Onge
| Period | St. Onge | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | $768 | $631 | $965 |
| 2010–14 | $866 | $692 | $1,040 |
| 2015–19 | $1,017 | $798 | $1,213 |
| 2020–24 | $1,268 | $1,000 | $1,571 |
| Change | +$500 | +$369 | +$606 |
A typical rental in St. Onge costs $1,268 a month with utilities, below the national median of $1,571. Still, rents here are higher than in South Dakota overall ($1,000). Rent takes 21.5% 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 St. Onge
Bachelor's degrees in St. Onge
| Period | St. Onge | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 41.4% | 26.8% | 28.4% |
| 2010–14 | 35.9% | 27.8% | 29.6% |
| 2015–19 | 40.7% | 29.4% | 32.1% |
| 2020–24 | 37.9% | 32.5% | 35.6% |
| Change | −3.5 pts | +5.6 pts | +7.2 pts |
College degrees are about as common in St. Onge as nationally: 37.9% of adults 25 and older have a bachelor's or higher, against 35.6%. The share is higher than in South Dakota as a whole (32.5%).
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 St. Onge
| Period | St. Onge | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 95.3% | 89.9% | 84.9% |
| 2010–14 | 92.8% | 91.0% | 86.1% |
| 2015–19 | 98.6% | 91.8% | 87.7% |
| 2020–24 | 96.8% | 93.1% | 89.3% |
| Change | +1.5 pts | +3.2 pts | +4.3 pts |
High school completion is high in St. Onge: 96.8% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.
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 St. Onge
| Period | St. Onge | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 2.9% | 4.9% | 8.1% |
| 2010–14 | 3.4% | 4.9% | 9.4% |
| 2015–19 | 1.0% | 3.6% | 5.6% |
| 2020–24 | 0.2% | 3.1% | 5.4% |
| Change | −2.6 pts | −1.7 pts | −2.7 pts |
Unemployment in St. Onge has been low: just 0.2% of the labor force was out of work and looking, well below the national rate of 5.4%. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current 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).
St. Onge 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| St. Onge | 2.43 | 50.7 | 6.5% | 9.2% | 13.5% | 2003 | $1,268 | 37.9% | 96.8% | 0.2% |
| Spearfish | 2.26 | 41.3 | 7.6% | 40.3% | 8.3% | 1993 | $1,025 | 37.3% | 95.8% | 1.4% |
| Fruitdale | 2.84 | 39.6 | 7.3% | 11.2% | 10.9% | 1988 | $926 | 24.4% | 92.8% | 0.7% |
| Belle Fourche | 2.38 | 41.2 | 12.2% | 29.0% | 9.8% | 1983 | $913 | 20.0% | 89.2% | 2.7% |
| Whitewood | 2.72 | 46.9 | 4.7% | 21.8% | 17.0% | 1995 | $1,077 | 26.4% | 93.2% | 1.4% |
| Nisland | 2.89 | 39.4 | 6.4% | 8.3% | 12.8% | 1980 | $971 | 25.1% | 94.7% | 1.3% |
| Central City | 2.12 | 58.5 | 1.6% | 10.7% | 53.8% | 1994 | $885 | 27.7% | 95.0% | 10.8% |
| Deadwood | 2.08 | 52.5 | 7.2% | 34.5% | 25.0% | 1978 | $794 | 26.3% | 94.6% | 2.9% |
| Lead | 2.20 | 50.0 | 4.9% | 27.3% | 23.5% | 1943 | $816 | 20.8% | 94.9% | 0.5% |
| Savoy | 1.82 | 67.4 | 0.9% | 5.1% | 78.5% | 2000 | $922 | 31.4% | 96.0% | 17.3% |
| Trojan | 1.82 | 67.4 | 0.9% | 5.1% | 78.5% | 2000 | $844 | 31.4% | 96.0% | 17.3% |
All figures 2020–24.
Cities with similar populations: Locust Grove, NY · McCallsburg, IA · Lotsee, OK · Lostant, IL · Lorenzo, GA · Longview, VA · Lone Hill, MO · London Mills, IL · Lombard, WI · Logansville, 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 St. Onge. 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.
No other site shows detail at this level for free. We are able to keep this site free by receiving a small commission from the referring links on this page. Please share or cite this page if you aren’t able to otherwise support our work.