Population 5,911 · Census ACS 2020–24
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Population and households in St. Maries
Household size in St. Maries
| Period | St. Maries | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 2.38 | 2.72 | 2.68 |
| 2010–14 | 2.38 | 2.78 | 2.73 |
| 2015–19 | 2.56 | 2.76 | 2.71 |
| 2020–24 | 2.44 | 2.79 | 2.65 |
| Change | +0.05 | +0.07 | −0.03 |
The average household in St. Maries has 2.44 people, under the U.S. average of 2.65. Household size has crept up from 2.38 in 2006–10, even as the national average fell. Households are largest in the southwest and smallest in the northeast.
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. Maries
| Period | St. Maries | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 43.7 | 35.5 | 37.7 |
| 2010–14 | 45.9 | 36.6 | 38.6 |
| 2015–19 | 44.7 | 37.6 | 39.6 |
| 2020–24 | 47.3 | 38.2 | 40.1 |
| Change | +3.6 | +2.7 | +2.3 |
With a median age of 47.3, St. Maries is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. Since 2006–10, the median age has climbed from 43.7, mirroring the country. St. Maries is older than the great majority of Idaho cities.
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. Maries
| Period | St. Maries | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 12.8% | 10.0% | 12.3% |
| 2010–14 | 11.2% | 10.2% | 12.3% |
| 2015–19 | 11.4% | 9.3% | 11.6% |
| 2020–24 | 8.7% | 9.3% | 11.6% |
| Change | −4.1 pts | −0.7 pts | −0.6 pts |
Single-parent households are less common in St. Maries than nationally: 8.7%, against 11.6%. The picture is much the same across Idaho. The single-parent share has fallen 4.1 points since 2006–10, a much bigger shift than 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. Maries
Renters in St. Maries
| Period | St. Maries | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 25.3% | 29.0% | 33.3% |
| 2010–14 | 29.4% | 30.8% | 35.6% |
| 2015–19 | 29.7% | 30.0% | 36.0% |
| 2020–24 | 26.1% | 27.9% | 34.8% |
| Change | +0.8 pts | −1.1 pts | +1.5 pts |
Just over a quarter of households in St. Maries rent their homes (26.1%), below the national share of 34.8%; the rest own. Among homeowners, 42.6% have no mortgage at all, about the same as nationally. Rentals cluster in the center; owners are most common in the northwest. The renter share is up 0.8 points from 2006–10, in line with the national trend.
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. Maries
| Period | St. Maries | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 12.4% | 10.4% | 11.4% |
| 2010–14 | 18.4% | 11.0% | 11.4% |
| 2015–19 | 18.7% | 10.5% | 11.1% |
| 2020–24 | 12.3% | 9.3% | 9.6% |
| Change | −0.1 pts | −1.1 pts | −1.8 pts |
A few more homes sit empty in St. Maries than nationally: 12.3%, against 9.6%. The count includes vacation homes and homes between owners or tenants, not just abandoned ones. St. Maries has a higher vacancy rate than at least four in five Idaho cities.
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. Maries
| Period | St. Maries | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 1970 | 1982 | 1974 |
| 2010–14 | 1973 | 1984 | 1975 |
| 2015–19 | 1975 | 1986 | 1977 |
| 2020–24 | 1975 | 1989 | 1980 |
| Change | +5 | +7 | +6 |
Housing in St. Maries leans a little older: the median home dates to 1975, against 1980 nationally. The median year built has moved up from 1970 in 2006–10, a sign of steady new building. Newer construction is concentrated in the northeast, while the center has the oldest housing.
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. Maries
| Period | St. Maries | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | $574 | $766 | $965 |
| 2010–14 | $702 | $820 | $1,040 |
| 2015–19 | $642 | $941 | $1,213 |
| 2020–24 | $911 | $1,407 | $1,571 |
| Change | +$337 | +$641 | +$606 |
The median renter in St. Maries pays $911 a month for rent and utilities, well below the national median of $1,571. Rents are up $337 a month from 2006–10, a 59% rise, a slower climb than the nation's. Rent takes 34.7% of the typical renter's income, well over the 30% mark often used to define affordable rent, so many renters here are stretched. The priciest rents are in the north; the most affordable are in the southeast.
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. Maries
Bachelor's degrees in St. Maries
| Period | St. Maries | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 12.1% | 25.0% | 28.4% |
| 2010–14 | 12.5% | 25.9% | 29.6% |
| 2015–19 | 15.3% | 27.8% | 32.1% |
| 2020–24 | 20.1% | 31.7% | 35.6% |
| Change | +7.9 pts | +6.6 pts | +7.2 pts |
Fewer adults in St. Maries have a four-year degree than in the country as a whole: 20.1%, against 35.6% nationally. The share with a degree has risen 7.9 points since 2006–10, in line with the national trend.
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. Maries
| Period | St. Maries | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 86.9% | 88.7% | 84.9% |
| 2010–14 | 86.2% | 89.3% | 86.1% |
| 2015–19 | 87.9% | 90.8% | 87.7% |
| 2020–24 | 88.7% | 92.1% | 89.3% |
| Change | +1.8 pts | +3.4 pts | +4.3 pts |
High school completion in St. Maries is close to the national rate: 88.7% of adults have a diploma or equivalent, against 89.3%. The rate is lower than in Idaho overall (92.1%). The share with a diploma has risen 1.8 points since 2006–10, in line with the national trend.
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. Maries
| Period | St. Maries | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 6.6% | 7.0% | 8.1% |
| 2010–14 | 9.7% | 8.1% | 9.4% |
| 2015–19 | 7.0% | 4.4% | 5.6% |
| 2020–24 | 3.7% | 3.8% | 5.4% |
| Change | −2.9 pts | −3.2 pts | −2.7 pts |
Unemployment in St. Maries runs below the national rate: 3.7% of the labor force was out of work and looking, against 5.4% nationally. Since 2006–10, unemployment has fallen 2.9 points, mirroring the country. 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. Maries 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. Maries | 2.44 | 47.3 | 8.7% | 26.1% | 12.3% | 1975 | $911 | 20.1% | 88.7% | 3.7% |
| Rocky Point | 2.44 | 49.9 | 7.0% | 15.3% | 25.2% | 1977 | $1,071 | 23.9% | 94.9% | 2.1% |
| Medimont | 2.55 | 59.6 | 3.5% | 4.2% | 13.9% | 1977 | $1,379 | 32.9% | 97.8% | 1.4% |
| St. Joe | 2.03 | 56.8 | 9.7% | 14.3% | 25.2% | 1988 | $810 | 12.6% | 81.7% | 1.3% |
| Pedee | 2.86 | 38.8 | 12.4% | 29.4% | 29.5% | 1978 | $799 | 16.7% | 87.3% | 4.0% |
| Santa | 2.33 | 49.9 | 10.1% | 24.4% | 10.7% | 1984 | $835 | 28.1% | 79.2% | 0.0% |
| Parkline | 2.71 | 42.0 | 9.9% | 24.0% | 27.0% | 1977 | $788 | 18.5% | 90.0% | 2.8% |
| Emida | 2.80 | 39.3 | 8.4% | 42.0% | 1.0% | 1983 | $835 | 42.2% | 79.5% | 0.0% |
| Lane | 2.66 | 62.5 | 1.9% | 2.2% | 6.1% | 1976 | $1,492 | 35.6% | 98.0% | 1.1% |
| Plummer | 2.85 | 40.0 | 11.7% | 28.9% | 24.0% | 1981 | $839 | 17.1% | 87.7% | 5.2% |
| Harrison | 2.00 | 59.5 | 3.2% | 9.7% | 51.9% | 1987 | $1,130 | 40.8% | 95.2% | 4.2% |
All figures 2020–24.
Cities with similar populations: Cameron, WI · Cisco, TX · Christiana, PA · Century, FL · Carolina Shores, NC · Carmichaels, PA · Carlisle, MA · Carlisle, KY · Carle Place, NY · Cokato, MN
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. Maries. 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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