Population 27 · Census ACS 2020–24
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Population and households in Grasmere
Household size in Grasmere
| Period | Grasmere | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.70 | 2.75 | 2.72 | 2.68 |
| 2010–14 | 3.59 | 2.79 | 2.78 | 2.73 |
| 2015–19 | 2.36 | 2.75 | 2.76 | 2.71 |
| 2020–24 | 2.42 | 2.71 | 2.79 | 2.65 |
| Change | −1.28 | −0.05 | +0.07 | −0.03 |
The average household in Grasmere has 2.42 people, under the U.S. average of 2.65. Household size has dropped from 3.70 in 2006–10, 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 Grasmere
| Period | Grasmere | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 27.4 | 34.6 | 35.5 | 37.7 |
| 2010–14 | 30.2 | 35.8 | 36.6 | 38.6 |
| 2015–19 | 35.2 | 37.2 | 37.6 | 39.6 |
| 2020–24 | 38.2 | 38.4 | 38.2 | 40.1 |
| Change | +10.8 | +3.8 | +2.7 | +2.3 |
Grasmere is a little younger than the country as a whole: its median age is 38.2, against 40.1 nationally. That is in line with the rest of the Boise area.
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 Grasmere
| Period | Grasmere | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 13.3% | 10.5% | 10.0% | 12.3% |
| 2010–14 | 14.1% | 10.4% | 10.2% | 12.3% |
| 2015–19 | 1.6% | 9.5% | 9.3% | 11.6% |
| 2020–24 | 9.4% | 9.3% | 9.3% | 11.6% |
| Change | −3.8 pts | −1.2 pts | −0.7 pts | −0.6 pts |
Single parents head about one in ten households in Grasmere (9.4%), below the national share of 11.6%. The picture is much the same across the Boise area.
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 Grasmere
Renters in Grasmere
| Period | Grasmere | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 40.8% | 29.5% | 29.0% | 33.3% |
| 2010–14 | 42.1% | 31.9% | 30.8% | 35.6% |
| 2015–19 | 42.6% | 30.3% | 30.0% | 36.0% |
| 2020–24 | 35.7% | 27.5% | 27.9% | 34.8% |
| Change | −5.1 pts | −2.0 pts | −1.1 pts | +1.5 pts |
More than a third of households in Grasmere rent their homes (35.7%), close to the national share of 34.8%. Renters make up a bigger share here than in the wider Boise area (27.5%). Nearly two-thirds of owners (63.9%) have paid off their mortgages, well 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 Grasmere
| Period | Grasmere | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 15.4% | 7.9% | 10.4% | 11.4% |
| 2010–14 | 38.4% | 7.2% | 11.0% | 11.4% |
| 2015–19 | 23.0% | 5.6% | 10.5% | 11.1% |
| 2020–24 | 16.1% | 5.6% | 9.3% | 9.6% |
| Change | +0.7 pts | −2.3 pts | −1.1 pts | −1.8 pts |
Vacancy is high in Grasmere: 16.1% of homes are empty, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.
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 Grasmere
| Period | Grasmere | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 1975 | 1989 | 1982 | 1974 |
| 2010–14 | 1980 | 1989 | 1984 | 1975 |
| 2015–19 | 1989 | 1991 | 1986 | 1977 |
| 2020–24 | 1978 | 1996 | 1989 | 1980 |
| Change | +3 | +7 | +7 | +6 |
Homes in Grasmere are about the same age as the nation's housing: the median home was built in 1978, versus 1980 nationally. Homes here are older than in the Boise area overall, where the median home dates to 1996.
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 Grasmere
| Period | Grasmere | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | $367 | $884 | $766 | $965 |
| 2010–14 | $511 | $921 | $820 | $1,040 |
| 2015–19 | $628 | $1,075 | $941 | $1,213 |
| 2020–24 | $922 | $1,700 | $1,407 | $1,571 |
| Change | +$555 | +$815 | +$641 | +$606 |
A typical rental in Grasmere costs $922 a month with utilities, well below the national median of $1,571. The typical renter here spends 19.3% 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 Grasmere
Bachelor's degrees in Grasmere
| Period | Grasmere | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 15.6% | 28.8% | 25.0% | 28.4% |
| 2010–14 | 9.7% | 30.0% | 25.9% | 29.6% |
| 2015–19 | 14.1% | 31.6% | 27.8% | 32.1% |
| 2020–24 | 11.6% | 36.9% | 31.7% | 35.6% |
| Change | −4.1 pts | +8.2 pts | +6.6 pts | +7.2 pts |
Fewer adults in Grasmere have a four-year degree than in the country as a whole: 11.6%, 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 Grasmere
| Period | Grasmere | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 62.2% | 89.5% | 88.7% | 84.9% |
| 2010–14 | 71.7% | 90.1% | 89.3% | 86.1% |
| 2015–19 | 84.9% | 91.7% | 90.8% | 87.7% |
| 2020–24 | 65.1% | 92.7% | 92.1% | 89.3% |
| Change | +2.9 pts | +3.2 pts | +3.4 pts | +4.3 pts |
Just over a third of adults in Grasmere never finished high school, well above the national share: only 65.1% have a diploma or equivalent, against 89.3% nationally.
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 Grasmere
| Period | Grasmere | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.5% | 7.7% | 7.0% | 8.1% |
| 2010–14 | 4.0% | 8.4% | 8.1% | 9.4% |
| 2015–19 | 0.0% | 4.3% | 4.4% | 5.6% |
| 2020–24 | 1.2% | 3.2% | 3.8% | 5.4% |
| Change | −6.3 pts | −4.5 pts | −3.2 pts | −2.7 pts |
Unemployment in Grasmere has been low: just 1.2% 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).
Grasmere 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Grasmere | 2.42 | 38.2 | 9.4% | 35.7% | 16.1% | 1978 | $922 | 11.6% | 65.1% | 1.2% |
| Riddle | 2.42 | 38.2 | 9.4% | 35.7% | 16.1% | 1978 | $922 | 11.6% | 65.1% | 1.2% |
| Owyhee | 2.42 | 38.2 | 9.4% | 35.7% | 16.1% | 1978 | $922 | 11.6% | 65.1% | 1.2% |
| Owyhee | 2.62 | 39.3 | 12.9% | 55.8% | 25.3% | 1982 | $525 | 18.7% | 76.2% | 1.8% |
| Bruneau | 2.25 | 47.3 | 9.8% | 36.9% | 24.2% | 1979 | $922 | 12.7% | 77.1% | 0.6% |
| Jarbidge | 1.94 | 77.0 | 15.8% | 0.0% | 56.4% | 1978 | $679 | 15.6% | 100.0% | 2.8% |
| Patsville | 1.94 | 77.0 | 15.8% | 0.0% | 56.4% | 1978 | $679 | 15.6% | 100.0% | 2.8% |
| Three Creek | 2.27 | 54.4 | 12.4% | 35.8% | 29.8% | 1984 | $908 | 16.7% | 85.0% | 1.2% |
| Grand View | 2.69 | 48.5 | 5.5% | 43.6% | 16.0% | 1979 | $978 | 11.5% | 80.9% | 4.4% |
| Hammett | 2.36 | 45.7 | 6.9% | 28.8% | 18.0% | 1976 | $849 | 12.4% | 86.1% | 1.1% |
| Mountain Home AFB | 2.69 | 25.2 | 10.3% | 87.5% | 4.2% | 2005 | $1,804 | 32.3% | 98.0% | 6.4% |
All figures 2020–24.
Cities with similar populations: Schattel, TX · Macey, AR · Mansfield City, CT · Maple Hill, IA · Sand Pass, NV · Sand Ridge, IL · Sapinero, CO · Sapphire Village, MT · Savage, TX · Sawdust, FL
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 Grasmere. 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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