Population 97,751 · Census ACS 2020–24
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Population and households in Idaho Falls
Household size in Idaho Falls
| Period | Idaho Falls | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 2.82 | 2.72 | 2.68 |
| 2010–14 | 2.93 | 2.78 | 2.73 |
| 2015–19 | 2.83 | 2.76 | 2.71 |
| 2020–24 | 2.94 | 2.79 | 2.65 |
| Change | +0.12 | +0.07 | −0.03 |
Households in Idaho Falls are large by national standards, averaging 2.94 people against 2.65 for the U.S. That usually means more families with children at home. Household size has climbed from 2.82 in 2006–10, even as the national average fell.
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 Falls
| Period | Idaho Falls | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 33.3 | 35.5 | 37.7 |
| 2010–14 | 34.2 | 36.6 | 38.6 |
| 2015–19 | 33.7 | 37.6 | 39.6 |
| 2020–24 | 34.1 | 38.2 | 40.1 |
| Change | +0.9 | +2.7 | +2.3 |
With a median age of just 34.1, Idaho Falls is far younger than the country as a whole (40.1), a population that tilts toward young families with children. The median age has crept up from 33.3 in 2006–10, mirroring the country. The youngest areas are in the northeast, the oldest in the south.
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 Falls
| Period | Idaho Falls | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 10.7% | 10.0% | 12.3% |
| 2010–14 | 10.7% | 10.2% | 12.3% |
| 2015–19 | 10.3% | 9.3% | 11.6% |
| 2020–24 | 9.9% | 9.3% | 11.6% |
| Change | −0.8 pts | −0.7 pts | −0.6 pts |
Single-parent households are a bit less common in Idaho Falls than nationally: 9.9%, against 11.6%. Idaho as a whole looks much the same. The single-parent share is down 0.8 points from 2006–10, as it has 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 Idaho Falls
Renters in Idaho Falls
| Period | Idaho Falls | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 28.2% | 29.0% | 33.3% |
| 2010–14 | 28.5% | 30.8% | 35.6% |
| 2015–19 | 32.6% | 30.0% | 36.0% |
| 2020–24 | 30.2% | 27.9% | 34.8% |
| Change | +2.1 pts | −1.1 pts | +1.5 pts |
About three in ten households in Idaho Falls rent their homes (30.2%), a little below the national share of 34.8%; the rest own. More than a third of owners (36.8%) have paid off their mortgages, below the national share of 39.8%. Rentals cluster in the center; owners are most common in the northeast. Since 2006–10, the renter share has risen 2.1 points, as it has 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 Idaho Falls
| Period | Idaho Falls | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 8.4% | 10.4% | 11.4% |
| 2010–14 | 10.5% | 11.0% | 11.4% |
| 2015–19 | 8.1% | 10.5% | 11.1% |
| 2020–24 | 7.4% | 9.3% | 9.6% |
| Change | −1.0 pts | −1.1 pts | −1.8 pts |
Vacancy is on the low side in Idaho Falls: 7.4% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. Vacancy is down 1.0 points from 2006–10, in line with the national trend.
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 Falls
| Period | Idaho Falls | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 1978 | 1982 | 1974 |
| 2010–14 | 1980 | 1984 | 1975 |
| 2015–19 | 1982 | 1986 | 1977 |
| 2020–24 | 1985 | 1989 | 1980 |
| Change | +7 | +7 | +6 |
Homes in Idaho Falls are a bit newer than the national norm: the median home was built in 1985, versus 1980 across the U.S. Even so, homes here are older than in Idaho overall, where the median home dates to 1989. The median year built has moved up from 1978 in 2006–10, a sign of steady new building. The newest homes are mostly in the southwest, the oldest in the center.
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 Falls
| Period | Idaho Falls | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | $745 | $766 | $965 |
| 2010–14 | $807 | $820 | $1,040 |
| 2015–19 | $998 | $941 | $1,213 |
| 2020–24 | $1,362 | $1,407 | $1,571 |
| Change | +$617 | +$641 | +$606 |
The median renter in Idaho Falls pays $1,362 a month for rent and utilities, below the national median of $1,571. Rent has climbed $617 a month since 2006–10, up 83%, faster than rents rose nationally. Rent takes 26.3% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent. Rents run highest in the southwest and lowest in the center.
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 Falls
Bachelor's degrees in Idaho Falls
| Period | Idaho Falls | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 27.3% | 25.0% | 28.4% |
| 2010–14 | 27.2% | 25.9% | 29.6% |
| 2015–19 | 31.4% | 27.8% | 32.1% |
| 2020–24 | 32.6% | 31.7% | 35.6% |
| Change | +5.2 pts | +6.6 pts | +7.2 pts |
About a third of adults 25 and older in Idaho Falls (32.6%) have a bachelor's degree or higher, a little below the national share of 35.6%. The share with a degree is up 5.2 points from 2006–10, mirroring the country. College graduates are most concentrated in the south and least in the east.
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 Falls
| Period | Idaho Falls | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 90.3% | 88.7% | 84.9% |
| 2010–14 | 90.7% | 89.3% | 86.1% |
| 2015–19 | 91.4% | 90.8% | 87.7% |
| 2020–24 | 91.1% | 92.1% | 89.3% |
| Change | +0.8 pts | +3.4 pts | +4.3 pts |
High school completion in Idaho Falls is a bit above the national rate: 91.1% of adults have a diploma or equivalent, against 89.3%. The picture is much the same across Idaho. The share with a diploma is up 0.8 points from 2006–10, a smaller shift than 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 Idaho Falls
| Period | Idaho Falls | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 5.4% | 7.0% | 8.1% |
| 2010–14 | 6.4% | 8.1% | 9.4% |
| 2015–19 | 3.6% | 4.4% | 5.6% |
| 2020–24 | 4.2% | 3.8% | 5.4% |
| Change | −1.2 pts | −3.2 pts | −2.7 pts |
Jobs have been a little easier to find in Idaho Falls than nationally: unemployment was 4.2%, against 5.4%. Unemployment is down 1.2 points from 2006–10, as it has 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).
Idaho Falls 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 Falls | 2.94 | 34.1 | 9.9% | 30.2% | 7.4% | 1985 | $1,362 | 32.6% | 91.1% | 4.2% |
| Ammon | 3.23 | 33.9 | 8.8% | 27.9% | 6.9% | 1997 | $1,552 | 42.1% | 96.2% | 6.1% |
| Beachs Corner | 3.10 | 31.0 | 3.1% | 14.4% | 3.3% | 2012 | $1,862 | 29.7% | 91.5% | 4.9% |
| Iona | 3.62 | 28.3 | 7.5% | 10.0% | 6.8% | 2005 | $1,552 | 32.2% | 94.0% | 1.7% |
| Milo | 3.68 | 27.4 | 6.4% | 8.1% | 5.5% | 2004 | $1,579 | 41.2% | 95.8% | 1.5% |
| Grant | 3.07 | 51.3 | 0.2% | 6.6% | 10.5% | 1993 | $1,409 | 38.8% | 97.3% | 0.3% |
| Garfield | 3.10 | 51.5 | 0.2% | 6.0% | 8.8% | 1994 | $1,425 | 39.2% | 97.2% | 0.0% |
| Woodville | 3.05 | 37.1 | 7.4% | 24.9% | 8.8% | 1999 | $1,093 | 24.4% | 90.4% | 2.0% |
| Ucon | 3.26 | 36.5 | 7.0% | 6.0% | 9.5% | 1984 | $1,076 | 23.3% | 92.6% | 3.3% |
| Coltman | 3.17 | 34.9 | 12.0% | 10.1% | 6.1% | 1990 | $1,295 | 28.8% | 94.0% | 3.5% |
| Shelley | 3.10 | 35.3 | 8.9% | 17.7% | 9.5% | 1986 | $1,238 | 23.1% | 89.7% | 3.8% |
All figures 2020–24.
Cities with similar populations: Ventura, CA · Waldorf, MD · Vista, CA · Virginia Beach, VA · Waco, TX · Toms River, NJ · Turlock, CA · Trenton, NJ · Tulsa, OK · Terre Haute, IN
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 Falls. 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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