Population 1,331 · Census ACS 2020–24
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Population and households in Idaho City
Household size in Idaho City
| Period | Idaho City | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.12 | 2.75 | 2.72 | 2.68 |
| 2010–14 | 2.08 | 2.79 | 2.78 | 2.73 |
| 2015–19 | 2.10 | 2.75 | 2.76 | 2.71 |
| 2020–24 | 2.46 | 2.71 | 2.79 | 2.65 |
| Change | +0.34 | −0.05 | +0.07 | −0.03 |
Households in Idaho City run small, averaging 2.46 people against 2.65 nationally, which usually means more singles and couples and fewer children. Since 2006–10, household size has climbed from 2.12, 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 Idaho City
| Period | Idaho City | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 50.8 | 34.6 | 35.5 | 37.7 |
| 2010–14 | 47.9 | 35.8 | 36.6 | 38.6 |
| 2015–19 | 55.1 | 37.2 | 37.6 | 39.6 |
| 2020–24 | 45.3 | 38.4 | 38.2 | 40.1 |
| Change | −5.5 | +3.8 | +2.7 | +2.3 |
Idaho City skews older: half of its residents are older than 45.3, 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 Idaho City
| Period | Idaho City | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 10.1% | 10.5% | 10.0% | 12.3% |
| 2010–14 | 5.0% | 10.4% | 10.2% | 12.3% |
| 2015–19 | 7.8% | 9.5% | 9.3% | 11.6% |
| 2020–24 | 7.8% | 9.3% | 9.3% | 11.6% |
| Change | −2.3 pts | −1.2 pts | −0.7 pts | −0.6 pts |
Single parents head only 7.8% of households in Idaho City, well below 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 Idaho City
Renters in Idaho City
| Period | Idaho City | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 22.9% | 29.5% | 29.0% | 33.3% |
| 2010–14 | 21.6% | 31.9% | 30.8% | 35.6% |
| 2015–19 | 19.8% | 30.3% | 30.0% | 36.0% |
| 2020–24 | 13.6% | 27.5% | 27.9% | 34.8% |
| Change | −9.3 pts | −2.0 pts | −1.1 pts | +1.5 pts |
Only 13.6% of households in Idaho City 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 (43.1%) 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 Idaho City
| Period | Idaho City | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 35.0% | 7.9% | 10.4% | 11.4% |
| 2010–14 | 34.2% | 7.2% | 11.0% | 11.4% |
| 2015–19 | 45.6% | 5.6% | 10.5% | 11.1% |
| 2020–24 | 32.8% | 5.6% | 9.3% | 9.6% |
| Change | −2.3 pts | −2.3 pts | −1.1 pts | −1.8 pts |
Vacant homes make up 32.8% of the housing in Idaho City, 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 Idaho City
| Period | Idaho City | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 1985 | 1989 | 1982 | 1974 |
| 2010–14 | 1981 | 1989 | 1984 | 1975 |
| 2015–19 | 1982 | 1991 | 1986 | 1977 |
| 2020–24 | 1983 | 1996 | 1989 | 1980 |
| Change | −2 | +7 | +7 | +6 |
Homes in Idaho City are about the same age as the nation's housing: the median home was built in 1983, 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 Idaho City
| Period | Idaho City | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | $527 | $884 | $766 | $965 |
| 2010–14 | $462 | $921 | $820 | $1,040 |
| 2015–19 | $814 | $1,075 | $941 | $1,213 |
| 2020–24 | $831 | $1,700 | $1,407 | $1,571 |
| Change | +$304 | +$815 | +$641 | +$606 |
A typical rental in Idaho City costs $831 a month with utilities, well below the national median of $1,571. Rent takes 26.2% 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 Idaho City
Bachelor's degrees in Idaho City
| Period | Idaho City | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 12.4% | 28.8% | 25.0% | 28.4% |
| 2010–14 | 16.4% | 30.0% | 25.9% | 29.6% |
| 2015–19 | 20.3% | 31.6% | 27.8% | 32.1% |
| 2020–24 | 28.0% | 36.9% | 31.7% | 35.6% |
| Change | +15.6 pts | +8.2 pts | +6.6 pts | +7.2 pts |
Nearly three in ten adults 25 and older in Idaho City (28.0%) have a bachelor's degree or higher, below the national share of 35.6%.
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 Idaho City
| Period | Idaho City | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 86.8% | 89.5% | 88.7% | 84.9% |
| 2010–14 | 89.2% | 90.1% | 89.3% | 86.1% |
| 2015–19 | 93.6% | 91.7% | 90.8% | 87.7% |
| 2020–24 | 97.1% | 92.7% | 92.1% | 89.3% |
| Change | +10.3 pts | +3.2 pts | +3.4 pts | +4.3 pts |
Finishing high school is nearly universal in Idaho City: 97.1% 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 Idaho City
| Period | Idaho City | Boise area | Idaho | U.S. |
|---|---|---|---|---|
| 2006–10 | 13.6% | 7.7% | 7.0% | 8.1% |
| 2010–14 | 10.0% | 8.4% | 8.1% | 9.4% |
| 2015–19 | 7.5% | 4.3% | 4.4% | 5.6% |
| 2020–24 | 5.3% | 3.2% | 3.8% | 5.4% |
| Change | −8.4 pts | −4.5 pts | −3.2 pts | −2.7 pts |
At 5.3%, unemployment in Idaho City is close to the national rate of 5.4%. The rate is higher than in the Boise area as a whole (3.2%). 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).
Idaho City 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Idaho City | 2.46 | 45.3 | 7.8% | 13.6% | 32.8% | 1983 | $831 | 28.0% | 97.1% | 5.3% |
| New Centerville | 2.46 | 46.2 | 6.9% | 11.2% | 31.5% | 1985 | $896 | 30.7% | 97.1% | 4.8% |
| Placerville | 2.29 | 57.9 | 6.2% | 4.9% | 26.4% | 1996 | $1,213 | 19.5% | 97.5% | 1.6% |
| Pioneerville | 2.23 | 55.6 | 8.1% | 8.6% | 42.4% | 1982 | $950 | 24.3% | 96.7% | 4.0% |
| Robie Creek | 2.50 | 50.6 | 2.5% | 1.9% | 28.0% | 1994 | $1,208 | 41.7% | 97.3% | 3.1% |
| Horseshoe Bend | 2.17 | 55.5 | 5.6% | 13.9% | 21.1% | 1994 | $1,020 | 25.2% | 94.2% | 2.1% |
| Pearl | 2.28 | 60.1 | 5.1% | 5.0% | 19.9% | 1998 | $1,242 | 20.8% | 96.9% | 1.5% |
| Crouch | 2.02 | 54.8 | 6.4% | 17.9% | 33.7% | 1993 | $963 | 32.8% | 93.0% | 0.3% |
| Banks | 2.10 | 52.7 | 5.8% | 18.0% | 22.3% | 1992 | $890 | 30.2% | 92.4% | 2.1% |
| Garden Valley | 2.15 | 58.1 | 4.8% | 9.3% | 47.6% | 1992 | $1,054 | 31.3% | 95.2% | 2.9% |
| Garden City | 2.38 | 43.0 | 8.5% | 27.9% | 4.5% | 2001 | $1,787 | 48.1% | 95.2% | 4.6% |
All figures 2020–24.
Cities with similar populations: Arnold, NE · Ashfield, MA · Avon, SD · Springfield, WV · Bancroft, WI · Toney Creek, SC · Bartlett, NH · Phillipsville, PA · Plymouth, IL · Petronila, TX
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 Idaho City. 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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