Population 12,891 · Census ACS 2020–24
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Population and households in Big Horn County
Household size in Big Horn County
| Period | Big Horn County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 3.61 | 2.41 | 2.68 |
| 2010–14 | 3.85 | 2.45 | 2.73 |
| 2015–19 | 3.81 | 2.44 | 2.71 |
| 2020–24 | 3.47 | 2.44 | 2.65 |
| Change | −0.14 | +0.03 | −0.03 |
Households in Big Horn County are large by national standards, averaging 3.47 people against 2.65 for the U.S. That usually means more families with children at home. Household size has dropped from 3.61 in 2006–10, a much bigger shift than nationally. Only one other Montana county has larger households.
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 Big Horn County
| Period | Big Horn County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 30.6 | 39.9 | 37.7 |
| 2010–14 | 32.1 | 40.8 | 38.6 |
| 2015–19 | 30.5 | 41.5 | 39.6 |
| 2020–24 | 33.2 | 41.5 | 40.1 |
| Change | +2.6 | +1.6 | +2.3 |
With a median age of just 33.2, Big Horn County is far younger than the country as a whole (40.1), a population that tilts toward young families with children. The median age has climbed from 30.6 in 2006–10, in line with the national trend. Only one other Montana county is younger.
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 Big Horn County
| Period | Big Horn County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 21.4% | 9.4% | 12.3% |
| 2010–14 | 22.2% | 9.8% | 12.3% |
| 2015–19 | 19.8% | 8.7% | 11.6% |
| 2020–24 | 20.2% | 8.8% | 11.6% |
| Change | −1.2 pts | −0.6 pts | −0.6 pts |
Single parents head about one in five households in Big Horn County (20.2%), well above the national share of 11.6%. The single-parent share is down 1.2 points from 2006–10, in line with the national trend. Only one other Montana county has a higher share of single-parent households.
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 Big Horn County
Renters in Big Horn County
| Period | Big Horn County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 33.4% | 31.0% | 33.3% |
| 2010–14 | 36.4% | 32.3% | 35.6% |
| 2015–19 | 36.6% | 31.9% | 36.0% |
| 2020–24 | 33.3% | 30.8% | 34.8% |
| Change | −0.1 pts | −0.1 pts | +1.5 pts |
About a third of households in Big Horn County rent their homes (33.3%), close to the national share of 34.8%. About three-quarters of owners (75.8%) have paid off their mortgages, well above the national share of 39.8%. Rentals cluster in the north; owners are most common in the west.
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 Big Horn County
| Period | Big Horn County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 24.4% | 13.2% | 11.4% |
| 2010–14 | 25.2% | 13.9% | 11.4% |
| 2015–19 | 22.9% | 14.1% | 11.1% |
| 2020–24 | 14.4% | 12.2% | 9.6% |
| Change | −10.1 pts | −0.9 pts | −1.8 pts |
Vacant homes make up 14.4% of the housing in Big Horn County, 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. Vacancy is down 10.1 points from 2006–10, a much bigger shift than nationally.
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 Big Horn County
| Period | Big Horn County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 1971 | 1974 | 1974 |
| 2010–14 | 1974 | 1977 | 1975 |
| 2015–19 | 1976 | 1978 | 1977 |
| 2020–24 | 1975 | 1982 | 1980 |
| Change | +5 | +7 | +6 |
Homes in Big Horn County run a bit older than the national norm, with a median build year of 1975 against 1980. The median year built has moved up from 1971 in 2006–10, a sign of steady new building. The newest homes are mostly in the west, the oldest in the north.
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 Big Horn County
| Period | Big Horn County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | $494 | $703 | $965 |
| 2010–14 | $596 | $775 | $1,040 |
| 2015–19 | $574 | $870 | $1,213 |
| 2020–24 | $599 | $1,189 | $1,571 |
| Change | +$105 | +$487 | +$606 |
A typical rental in Big Horn County costs $599 a month with utilities, well below the national median of $1,571. Rent has climbed $105 a month since 2006–10, up 21%, a slower climb than the nation's. Rent takes 19.2% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent. Renters on a budget will find the lowest rents in the west; the highest are in the north.
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 Big Horn County
Bachelor's degrees in Big Horn County
| Period | Big Horn County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 12.1% | 28.7% | 28.4% |
| 2010–14 | 16.0% | 29.8% | 29.6% |
| 2015–19 | 18.2% | 32.2% | 32.1% |
| 2020–24 | 17.3% | 35.3% | 35.6% |
| Change | +5.2 pts | +6.6 pts | +7.2 pts |
College degrees are relatively uncommon in Big Horn County: 17.3% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. The share with a degree has risen 5.2 points since 2006–10, in line with the national trend. Only one other Montana county has a lower share of college graduates.
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 Big Horn County
| Period | Big Horn County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 83.7% | 91.2% | 84.9% |
| 2010–14 | 84.8% | 92.6% | 86.1% |
| 2015–19 | 89.4% | 93.6% | 87.7% |
| 2020–24 | 89.4% | 94.6% | 89.3% |
| Change | +5.7 pts | +3.4 pts | +4.3 pts |
High school completion in Big Horn County is close to the national rate: 89.4% of adults have a diploma or equivalent, against 89.3%. The rate is lower than in Montana as a whole (94.6%). The share with a diploma is up 5.7 points from 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 Big Horn County
| Period | Big Horn County | Montana | U.S. |
|---|---|---|---|
| 2006–10 | 17.4% | 5.7% | 8.1% |
| 2010–14 | 21.1% | 6.9% | 9.4% |
| 2015–19 | 12.2% | 4.2% | 5.6% |
| 2020–24 | 14.6% | 3.7% | 5.4% |
| Change | −2.9 pts | −2.0 pts | −2.7 pts |
Unemployment in Big Horn County runs well above the national rate: 14.6% of the labor force was out of work and looking, against 5.4%. Only one other Montana county has higher unemployment. Unemployment is down 2.9 points from 2006–10, as it has nationally.
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).
Big Horn 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Big Horn County | 3.47 | 33.2 | 20.2% | 33.3% | 14.4% | 1975 | $599 | 17.3% | 89.4% | 14.6% |
| Stillwater County | 2.43 | 46.6 | 5.0% | 17.1% | 15.5% | 1986 | $1,036 | 31.9% | 95.4% | 3.0% |
| Powder River County | 2.48 | 47.2 | 9.2% | 21.2% | 27.0% | 1976 | $593 | 25.4% | 90.3% | 0.8% |
| Carter County | 2.14 | 57.0 | 1.9% | 37.8% | 27.7% | 1976 | $773 | 20.7% | 93.7% | 3.6% |
| Park County | 2.15 | 46.7 | 10.3% | 30.6% | 11.2% | 1977 | $1,205 | 39.5% | 96.1% | 2.6% |
| Gallatin County | 2.36 | 36.0 | 5.7% | 38.9% | 10.0% | 1996 | $1,744 | 54.6% | 97.2% | 2.4% |
| Harding County | 2.22 | 46.3 | 4.0% | 23.5% | 27.6% | 1973 | $521 | 30.4% | 93.8% | 0.9% |
| Madison County | 2.44 | 50.6 | 2.5% | 19.0% | 37.0% | 1995 | $1,165 | 32.7% | 93.6% | 3.0% |
| Walworth County | 2.13 | 41.7 | 6.6% | 23.8% | 17.1% | 1966 | $865 | 27.0% | 91.8% | 3.2% |
| Edmunds County | 2.44 | 44.0 | 5.4% | 18.9% | 12.0% | 1968 | $1,076 | 28.9% | 92.1% | 1.3% |
| Brown County | 2.33 | 38.8 | 9.7% | 32.4% | 10.7% | 1973 | $856 | 32.8% | 93.5% | 3.4% |
All figures 2020–24.
Counties with similar populations: Bertie County, NC · Dewey County, SD · Hemphill County, TX · Hickman County, KY · Caribou County, ID · Pocahontas County, WV · Power County, ID · Rio Blanco County, CO · Schoolcraft County, MI · Schuyler County, IL
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 Big Horn 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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