Population 84,606 · Census ACS 2020–24
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Population and households in Cascade County
Household size in Cascade County
| Period | Cascade County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 2.41 | 2.41 | 2.68 |
| 2010–14 | 2.41 | 2.45 | 2.73 |
| 2015–19 | 2.35 | 2.44 | 2.71 |
| 2020–24 | 2.37 | 2.44 | 2.65 |
| Change | −0.03 | +0.03 | −0.03 |
Cascade County is a place of small households, averaging 2.37 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size has edged down from 2.41 in 2006–10, in line with the national trend. Households are largest in the southwest and smallest in the east.
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 Cascade County
| Period | Cascade County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 39.6 | 39.9 | 37.7 |
| 2010–14 | 40.3 | 40.8 | 38.6 |
| 2015–19 | 40.9 | 41.5 | 39.6 |
| 2020–24 | 40.5 | 41.5 | 40.1 |
| Change | +0.9 | +1.6 | +2.3 |
At 40.5, the median age in Cascade County is close to the national median of 40.1, so its age mix looks much like the country's. The median age has crept up from 39.6 in 2006–10, as it has nationally. Residents skew youngest in the northeast and 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 Cascade County
| Period | Cascade County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 9.8% | 9.4% | 12.3% |
| 2010–14 | 10.5% | 9.8% | 12.3% |
| 2015–19 | 9.9% | 8.7% | 11.6% |
| 2020–24 | 10.3% | 8.8% | 11.6% |
| Change | +0.5 pts | −0.6 pts | −0.6 pts |
Single parents head about one in ten households in Cascade County (10.3%), a little below the national share of 11.6%. Even so, single parents are more common here than in Montana as a whole (8.8%). Cascade County has a higher share of single-parent households than the great majority of Montana counties.
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 Cascade County
Renters in Cascade County
| Period | Cascade County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 33.2% | 31.0% | 33.3% |
| 2010–14 | 35.7% | 32.3% | 35.6% |
| 2015–19 | 35.6% | 31.9% | 36.0% |
| 2020–24 | 31.5% | 30.8% | 34.8% |
| Change | −1.7 pts | −0.1 pts | +1.5 pts |
Just over three in ten households in Cascade County rent their homes (31.5%), a little below the national share of 34.8%; the rest own. Among homeowners, 42.9% have no mortgage at all, above the national share of 39.8%. Renting is most common in the northeast and least common in the southwest. The renter share has fallen 1.7 points since 2006–10, even as the national share rose.
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 Cascade County
| Period | Cascade County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 10.6% | 13.2% | 11.4% |
| 2010–14 | 10.1% | 13.9% | 11.4% |
| 2015–19 | 11.1% | 14.1% | 11.1% |
| 2020–24 | 10.3% | 12.2% | 9.6% |
| Change | −0.3 pts | −0.9 pts | −1.8 pts |
Vacancy in Cascade County is close to the national rate: 10.3% of homes are empty, against 9.6%. The rate is lower than in Montana overall (12.2%). Few Montana counties have a lower vacancy rate: only five of 56.
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 Cascade County
| Period | Cascade County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 1967 | 1974 | 1974 |
| 2010–14 | 1968 | 1977 | 1975 |
| 2015–19 | 1970 | 1978 | 1977 |
| 2020–24 | 1971 | 1982 | 1980 |
| Change | +5 | +7 | +6 |
The housing in Cascade County is old by national standards: the median home dates to 1971, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. The median year built has moved up from 1967 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 Cascade County
| Period | Cascade County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | $657 | $703 | $965 |
| 2010–14 | $773 | $775 | $1,040 |
| 2015–19 | $808 | $870 | $1,213 |
| 2020–24 | $1,089 | $1,189 | $1,571 |
| Change | +$432 | +$487 | +$606 |
Rent in Cascade County runs $1,089 a month at the median, utilities included, well below the U.S. median of $1,571. Rent has climbed $432 a month since 2006–10, up 66%, roughly in step with the nation. Rent takes 28.0% of the typical renter's income, just under the 30% mark often used to define affordable rent. The priciest rents are in the southwest; the most affordable are 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 Cascade County
Bachelor's degrees in Cascade County
| Period | Cascade County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 23.8% | 28.7% | 28.4% |
| 2010–14 | 26.2% | 29.8% | 29.6% |
| 2015–19 | 25.5% | 32.2% | 32.1% |
| 2020–24 | 28.5% | 35.3% | 35.6% |
| Change | +4.7 pts | +6.6 pts | +7.2 pts |
College degrees are less common in Cascade County than nationally: 28.5% of adults 25 and older have a bachelor's or higher, against 35.6%. The share with a degree has risen 4.7 points since 2006–10, mirroring the country. College graduates are most concentrated in the south and least in the center.
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 Cascade County
| Period | Cascade County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 91.0% | 91.2% | 84.9% |
| 2010–14 | 91.5% | 92.6% | 86.1% |
| 2015–19 | 91.8% | 93.6% | 87.7% |
| 2020–24 | 94.6% | 94.6% | 89.3% |
| Change | +3.5 pts | +3.4 pts | +4.3 pts |
High school completion is high in Cascade County: 94.6% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The picture is much the same across Montana. The share with a diploma has risen 3.5 points since 2006–10, as it has 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 Cascade County
| Period | Cascade County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 5.7% | 5.7% | 8.1% |
| 2010–14 | 5.2% | 6.9% | 9.4% |
| 2015–19 | 3.8% | 4.2% | 5.6% |
| 2020–24 | 3.2% | 3.7% | 5.4% |
| Change | −2.5 pts | −2.0 pts | −2.7 pts |
Unemployment in Cascade County has been low: just 3.2% of the labor force was out of work and looking, well below the national rate of 5.4%. Since 2006–10, unemployment has fallen 2.5 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).
Cascade County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Cascade County | 2.37 | 40.5 | 10.3% | 31.5% | 10.3% | 1971 | $1,089 | 28.5% | 94.6% | 3.2% |
| Teton County | 2.44 | 43.6 | 5.2% | 24.5% | 15.9% | 1964 | $749 | 26.8% | 91.7% | 1.0% |
| Chouteau County | 2.75 | 42.2 | 10.2% | 31.8% | 23.4% | 1967 | $646 | 22.5% | 92.6% | 2.6% |
| Judith Basin County | 2.25 | 46.2 | 5.6% | 27.3% | 27.3% | 1967 | $497 | 31.1% | 92.9% | 0.1% |
| Fergus County | 2.17 | 44.9 | 9.6% | 36.6% | 12.1% | 1969 | $940 | 23.8% | 95.2% | 4.2% |
| Lake County | 2.59 | 44.4 | 8.8% | 25.0% | 18.7% | 1985 | $994 | 31.0% | 92.8% | 5.5% |
| Petroleum County | 2.02 | 51.6 | 3.2% | 27.1% | 28.9% | 1983 | $800 | 30.8% | 98.9% | 0.0% |
| Mineral County | 2.30 | 50.8 | 8.8% | 18.9% | 15.6% | 1985 | $814 | 25.8% | 92.6% | 3.2% |
| Sanders County | 2.42 | 55.5 | 4.9% | 18.7% | 19.5% | 1990 | $883 | 21.8% | 91.9% | 5.5% |
| Garfield County | 2.50 | 43.3 | 3.0% | 27.8% | 40.8% | 1978 | $725 | 21.0% | 96.2% | 0.0% |
| Shoshone County | 2.38 | 44.8 | 8.8% | 26.0% | 17.2% | 1961 | $862 | 12.7% | 89.1% | 5.9% |
All figures 2020–24.
Counties with similar populations: St. Croix County, WI · Cheshire County, NH · Clallam County, WA · Clearfield County, PA · Clinton County, MI · Clinton County, NY · Cole County, MO · Toa Baja Municipio, PR · Crawford County, PA · Monroe County, 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 Cascade County. 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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