Population 808 · Census ACS 2020–24
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Population and households in St. Marks
Household size in St. Marks
| Period | St. Marks | Atlanta area | Georgia | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.18 | 2.74 | 2.70 | 2.68 |
| 2010–14 | 2.96 | 2.83 | 2.77 | 2.73 |
| 2015–19 | 3.03 | 2.81 | 2.75 | 2.71 |
| 2020–24 | 2.53 | 2.79 | 2.73 | 2.65 |
| Change | −0.65 | +0.05 | +0.03 | −0.03 |
Households in St. Marks run a little small, averaging 2.53 people against 2.65 nationally, which usually means more singles and couples and fewer children. Household size has dropped from 3.18 in 2006–10, 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. Marks
| Period | St. Marks | Atlanta area | Georgia | U.S. |
|---|---|---|---|---|
| 2006–10 | 36.4 | 35.5 | 36.0 | 37.7 |
| 2010–14 | 45.5 | 36.5 | 36.9 | 38.6 |
| 2015–19 | 35.3 | 37.5 | 38.1 | 39.6 |
| 2020–24 | 47.4 | 38.2 | 38.6 | 40.1 |
| Change | +11.0 | +2.7 | +2.6 | +2.3 |
With a median age of 47.4, St. Marks is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees.
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. Marks
| Period | St. Marks | Atlanta area | Georgia | U.S. |
|---|---|---|---|---|
| 2006–10 | 12.4% | 13.3% | 13.8% | 12.3% |
| 2010–14 | 25.0% | 13.6% | 13.8% | 12.3% |
| 2015–19 | 26.0% | 12.5% | 13.0% | 11.6% |
| 2020–24 | 13.8% | 12.7% | 13.4% | 11.6% |
| Change | +1.5 pts | −0.6 pts | −0.4 pts | −0.6 pts |
Single parents head about one in seven households in St. Marks (13.8%), above 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 St. Marks
Renters in St. Marks
| Period | St. Marks | Atlanta area | Georgia | U.S. |
|---|---|---|---|---|
| 2006–10 | 17.1% | 32.1% | 32.8% | 33.3% |
| 2010–14 | 28.4% | 35.5% | 35.8% | 35.6% |
| 2015–19 | 30.9% | 36.7% | 36.7% | 36.0% |
| 2020–24 | 13.8% | 33.9% | 34.3% | 34.8% |
| Change | −3.3 pts | +1.8 pts | +1.5 pts | +1.5 pts |
Only 13.8% of households in St. Marks rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 46.1% have no mortgage at all, 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. Marks
| Period | St. Marks | Atlanta area | Georgia | U.S. |
|---|---|---|---|---|
| 2006–10 | 13.2% | 11.9% | 13.1% | 11.4% |
| 2010–14 | 38.7% | 11.4% | 13.2% | 11.4% |
| 2015–19 | 11.3% | 8.6% | 11.6% | 11.1% |
| 2020–24 | 13.6% | 8.0% | 10.3% | 9.6% |
| Change | +0.4 pts | −3.8 pts | −2.8 pts | −1.8 pts |
More homes sit empty in St. Marks than nationally: 13.6%, 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. Marks
| Period | St. Marks | Atlanta area | Georgia | U.S. |
|---|---|---|---|---|
| 2006–10 | 1984 | 1988 | 1985 | 1974 |
| 2010–14 | 1982 | 1989 | 1987 | 1975 |
| 2015–19 | 1992 | 1990 | 1987 | 1977 |
| 2020–24 | 1986 | 1993 | 1991 | 1980 |
| Change | +2 | +5 | +6 | +6 |
Homes in St. Marks are newer than the national norm: the median home was built in 1986, versus 1980 across the U.S. Still, homes here are older than in the wider Atlanta area, where the median home dates to 1993.
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. Marks
| Period | St. Marks | Atlanta area | Georgia | U.S. |
|---|---|---|---|---|
| 2006–10 | $694 | $1,050 | $910 | $965 |
| 2010–14 | $833 | $1,116 | $977 | $1,040 |
| 2015–19 | $1,003 | $1,293 | $1,112 | $1,213 |
| 2020–24 | $1,236 | $1,799 | $1,520 | $1,571 |
| Change | +$542 | +$749 | +$609 | +$606 |
The median renter in St. Marks pays $1,236 a month for rent and utilities, well below the national median of $1,571. Rent takes 29.8% of the typical renter's income, just 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. Marks
Bachelor's degrees in St. Marks
| Period | St. Marks | Atlanta area | Georgia | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.6% | 34.5% | 28.1% | 28.4% |
| 2010–14 | 3.9% | 35.2% | 28.9% | 29.6% |
| 2015–19 | 16.0% | 38.2% | 31.4% | 32.1% |
| 2020–24 | 22.0% | 42.0% | 35.1% | 35.6% |
| Change | +13.4 pts | +7.5 pts | +7.0 pts | +7.2 pts |
Fewer adults in St. Marks have a four-year degree than in the country as a whole: 22.0%, 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. Marks
| Period | St. Marks | Atlanta area | Georgia | U.S. |
|---|---|---|---|---|
| 2006–10 | 77.8% | 87.2% | 84.1% | 84.9% |
| 2010–14 | 66.7% | 88.0% | 85.4% | 86.1% |
| 2015–19 | 87.5% | 89.4% | 87.2% | 87.7% |
| 2020–24 | 86.2% | 90.9% | 89.2% | 89.3% |
| Change | +8.4 pts | +3.6 pts | +5.0 pts | +4.3 pts |
About one in seven adults in St. Marks never finished high school, a bit more than nationally: 86.2% have a diploma or equivalent, against 89.3% across the U.S.
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. Marks
| Period | St. Marks | Atlanta area | Georgia | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.8% | 9.0% | 8.8% | 8.1% |
| 2010–14 | 5.7% | 10.7% | 10.7% | 9.4% |
| 2015–19 | 6.2% | 5.2% | 5.8% | 5.6% |
| 2020–24 | 3.7% | 5.2% | 5.2% | 5.4% |
| Change | −5.1 pts | −3.8 pts | −3.6 pts | −2.7 pts |
Unemployment in St. Marks runs below the national rate: 3.7% of the labor force was out of work and looking, against 5.4% nationally. 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. Marks 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. Marks | 2.53 | 47.4 | 13.8% | 13.8% | 13.6% | 1986 | $1,236 | 22.0% | 86.2% | 3.7% |
| Primrose | 2.40 | 45.8 | 6.1% | 14.7% | 10.7% | 1994 | $1,046 | 12.3% | 73.3% | 5.3% |
| Lone Oak | 2.77 | 48.1 | 19.5% | 13.2% | 10.0% | 1991 | $1,136 | 21.6% | 89.4% | 0.2% |
| Trimble | 2.42 | 39.1 | 8.7% | 33.6% | 17.8% | 1990 | $1,394 | 16.9% | 86.5% | 4.3% |
| Luthersville | 2.40 | 50.2 | 8.2% | 18.0% | 8.2% | 1988 | $966 | 10.6% | 67.9% | 2.1% |
| Grantville | 2.49 | 41.5 | 7.8% | 19.7% | 8.6% | 1988 | $1,199 | 18.6% | 86.7% | 5.5% |
| Hogansville | 2.65 | 42.2 | 13.0% | 31.7% | 13.8% | 1981 | $1,170 | 16.3% | 86.5% | 1.3% |
| Mountville | 2.57 | 38.7 | 6.5% | 22.2% | 12.1% | 1998 | $1,001 | 14.1% | 90.4% | 0.7% |
| Greenville | 2.56 | 44.8 | 9.9% | 31.7% | 9.1% | 1982 | $774 | 11.7% | 80.2% | 9.1% |
| Odessadale | 2.52 | 47.7 | 3.1% | 11.5% | 6.4% | 1989 | $810 | 17.1% | 92.2% | 6.5% |
| Louise | 2.58 | 37.4 | 10.9% | 35.8% | 20.9% | 1990 | $1,016 | 16.0% | 86.1% | 1.2% |
All figures 2020–24.
Cities with similar populations: Ryland Heights, KY · Lower Salem, OH · Lyons, WI · Macomb, OK · Manchester-By-The-Sea, MA · Marty, SD · Mayersville, MS · Meadville, MO · Minburn, IA · Moffat, CO
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. Marks. 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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