Population 1,422 · Census ACS 2020–24
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Population and households in St. Mary
Household size in St. Mary
| Period | St. Mary | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 2.75 | 2.51 | 2.68 |
| 2010–14 | 2.67 | 2.53 | 2.73 |
| 2015–19 | 2.53 | 2.52 | 2.71 |
| 2020–24 | 2.57 | 2.51 | 2.65 |
| Change | −0.18 | −0.00 | −0.03 |
Households in St. Mary average 2.57 people, about the same as the country as a whole (2.65). Since 2006–10, household size has dropped from 2.75, 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 St. Mary
| Period | St. Mary | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 34.1 | 38.5 | 37.7 |
| 2010–14 | 34.1 | 39.3 | 38.6 |
| 2015–19 | 39.4 | 40.0 | 39.6 |
| 2020–24 | 40.7 | 39.9 | 40.1 |
| Change | +6.6 | +1.5 | +2.3 |
Half of the people in St. Mary are younger than 40.7 and half are older, close to 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 St. Mary
| Period | St. Mary | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 4.3% | 11.7% | 12.3% |
| 2010–14 | 8.6% | 11.9% | 12.3% |
| 2015–19 | 12.9% | 11.8% | 11.6% |
| 2020–24 | 13.6% | 11.9% | 11.6% |
| Change | +9.3 pts | +0.2 pts | −0.6 pts |
Single-parent households are more common in St. Mary than nationally: 13.6%, 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 St. Mary
Renters in St. Mary
| Period | St. Mary | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 8.1% | 30.1% | 33.3% |
| 2010–14 | 14.9% | 32.3% | 35.6% |
| 2015–19 | 20.3% | 32.8% | 36.0% |
| 2020–24 | 10.6% | 31.7% | 34.8% |
| Change | +2.5 pts | +1.5 pts | +1.5 pts |
St. Mary is overwhelmingly a place of homeowners: only 10.6% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Nearly four in ten owners (38.3%) have paid off their mortgages, 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 St. Mary
| Period | St. Mary | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 10.9% | 12.2% | 11.4% |
| 2010–14 | 10.9% | 11.9% | 11.4% |
| 2015–19 | 7.2% | 12.3% | 11.1% |
| 2020–24 | 6.3% | 10.6% | 9.6% |
| Change | −4.6 pts | −1.6 pts | −1.8 pts |
Fewer homes sit empty in St. Mary than nationally: 6.3%, against 9.6% for the U.S.
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. Mary
| Period | St. Mary | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 1983 | 1977 | 1974 |
| 2010–14 | 1982 | 1979 | 1975 |
| 2015–19 | 1985 | 1980 | 1977 |
| 2020–24 | 1986 | 1982 | 1980 |
| Change | +3 | +5 | +6 |
Homes in St. Mary are newer than the national norm: the median home was built in 1986, versus 1980 across the U.S. That is in line with the rest of Kentucky.
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. Mary
| Period | St. Mary | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | $539 | $657 | $965 |
| 2010–14 | $742 | $728 | $1,040 |
| 2015–19 | $729 | $814 | $1,213 |
| 2020–24 | $803 | $1,024 | $1,571 |
| Change | +$265 | +$367 | +$606 |
A typical rental in St. Mary costs $803 a month with utilities, well below the national median of $1,571. The typical renter here spends 21.3% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.
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. Mary
Bachelor's degrees in St. Mary
| Period | St. Mary | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 10.8% | 21.3% | 28.4% |
| 2010–14 | 12.8% | 22.5% | 29.6% |
| 2015–19 | 9.8% | 24.5% | 32.1% |
| 2020–24 | 12.0% | 27.6% | 35.6% |
| Change | +1.2 pts | +6.2 pts | +7.2 pts |
Fewer adults in St. Mary have a four-year degree than in the country as a whole: 12.0%, against 35.6% nationally.
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. Mary
| Period | St. Mary | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 83.5% | 81.7% | 84.9% |
| 2010–14 | 88.3% | 83.9% | 86.1% |
| 2015–19 | 83.9% | 86.4% | 87.7% |
| 2020–24 | 88.2% | 88.8% | 89.3% |
| Change | +4.7 pts | +7.2 pts | +4.3 pts |
High school completion in St. Mary is close to the national rate: 88.2% of adults have a diploma or equivalent, against 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. Mary
| Period | St. Mary | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 3.9% | 8.4% | 8.1% |
| 2010–14 | 8.6% | 9.5% | 9.4% |
| 2015–19 | 3.7% | 5.8% | 5.6% |
| 2020–24 | 4.2% | 5.1% | 5.4% |
| Change | +0.3 pts | −3.3 pts | −2.7 pts |
Unemployment in St. Mary runs below the national rate: 4.2% of the labor force was out of work and looking, against 5.4% nationally. 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).
St. Mary 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. Mary | 2.57 | 40.7 | 13.6% | 10.6% | 6.3% | 1986 | $803 | 12.0% | 88.2% | 4.2% |
| Lebanon | 2.47 | 40.8 | 13.6% | 33.5% | 9.2% | 1981 | $728 | 16.2% | 86.4% | 2.9% |
| St. Joseph | 2.62 | 38.0 | 9.5% | 13.0% | 8.6% | 1987 | $772 | 14.9% | 85.9% | 5.9% |
| St. Francis | 2.47 | 36.7 | 10.9% | 10.3% | 5.3% | 1988 | $647 | 17.6% | 93.6% | 3.4% |
| Loretto | 2.48 | 42.0 | 13.5% | 10.3% | 6.2% | 1987 | $702 | 16.3% | 92.4% | 1.6% |
| Jessietown | 2.67 | 38.0 | 9.0% | 13.6% | 11.5% | 1979 | $667 | 19.2% | 89.3% | 1.7% |
| Raywick | 2.46 | 43.2 | 9.8% | 12.6% | 9.3% | 1991 | $685 | 13.7% | 85.9% | 0.3% |
| Nerinx | 2.49 | 41.9 | 14.7% | 9.2% | 5.9% | 1989 | $717 | 16.1% | 91.9% | 1.1% |
| Cisselville | 2.56 | 45.5 | 12.0% | 10.4% | 6.6% | 1987 | $717 | 21.3% | 91.8% | 11.7% |
| Jimtown | 2.26 | 44.6 | 11.9% | 37.9% | 6.4% | 1970 | $534 | 25.1% | 92.9% | 3.5% |
| Phillipsburg | 2.79 | 35.2 | 16.7% | 8.8% | 9.1% | 1992 | $683 | 16.8% | 90.0% | 1.9% |
All figures 2020–24.
Cities with similar populations: La Plata, NM · Surf City, NJ · Sulphur Rock, AR · Stinesville, IN · Stilesville, IN · Stewardson, IL · Springfield, TX · Shannon, IL · Shabbona, IL · Marlinton, WV
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. Mary. 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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