Population 1,971 · Census ACS 2020–24
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Population and households in Gilliam County
Household size in Gilliam County
| Period | Gilliam County | Oregon | U.S. |
|---|---|---|---|
| 2006–10 | 2.09 | 2.50 | 2.68 |
| 2010–14 | 2.22 | 2.55 | 2.73 |
| 2015–19 | 2.24 | 2.56 | 2.71 |
| 2020–24 | 2.25 | 2.50 | 2.65 |
| Change | +0.16 | +0.00 | −0.03 |
Households in Gilliam County are small: just 2.25 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home. Household size has climbed from 2.09 in 2006–10, 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 Gilliam County
| Period | Gilliam County | Oregon | U.S. |
|---|---|---|---|
| 2006–10 | 46.1 | 39.0 | 37.7 |
| 2010–14 | 48.4 | 40.0 | 38.6 |
| 2015–19 | 49.2 | 40.9 | 39.6 |
| 2020–24 | 50.7 | 41.6 | 40.1 |
| Change | +4.5 | +2.5 | +2.3 |
With a median age of 50.7, Gilliam County is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. Gilliam County is older than the great majority of Oregon counties.
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 Gilliam County
| Period | Gilliam County | Oregon | U.S. |
|---|---|---|---|
| 2006–10 | 4.8% | 10.5% | 12.3% |
| 2010–14 | 7.9% | 10.8% | 12.3% |
| 2015–19 | 6.5% | 9.9% | 11.6% |
| 2020–24 | 5.9% | 10.4% | 11.6% |
| Change | +1.1 pts | −0.1 pts | −0.6 pts |
Single-parent households are relatively rare in Gilliam County: 5.9% of households, against 11.6% nationally. Few Oregon counties have a lower share of single-parent households: only two of 36.
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 Gilliam County
Renters in Gilliam County
| Period | Gilliam County | Oregon | U.S. |
|---|---|---|---|
| 2006–10 | 33.4% | 36.2% | 33.3% |
| 2010–14 | 38.2% | 38.5% | 35.6% |
| 2015–19 | 32.7% | 37.6% | 36.0% |
| 2020–24 | 25.9% | 36.7% | 34.8% |
| Change | −7.4 pts | +0.5 pts | +1.5 pts |
Most households in Gilliam County own their homes; 25.9% rent, below the national share of 34.8%. About six in ten owners (60.5%) have paid off their mortgages, well above the national share of 39.8%. Gilliam County has a lower share of renters than at least four in five Oregon counties.
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 Gilliam County
| Period | Gilliam County | Oregon | U.S. |
|---|---|---|---|
| 2006–10 | 21.3% | 8.9% | 11.4% |
| 2010–14 | 22.6% | 9.1% | 11.4% |
| 2015–19 | 24.9% | 8.3% | 11.1% |
| 2020–24 | 20.3% | 7.4% | 9.6% |
| Change | −1.0 pts | −1.5 pts | −1.8 pts |
Vacancy is high in Gilliam County: 20.3% 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. Few Oregon counties have a higher vacancy rate: only three of 36.
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 Gilliam County
| Period | Gilliam County | Oregon | U.S. |
|---|---|---|---|
| 2006–10 | 1962 | 1976 | 1974 |
| 2010–14 | 1963 | 1977 | 1975 |
| 2015–19 | 1958 | 1978 | 1977 |
| 2020–24 | 1971 | 1981 | 1980 |
| Change | +9 | +5 | +6 |
Gilliam County is a place of older homes: half were built before 1971, while the national median is 1980. That means established neighborhoods, and more houses that may need updating.
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 Gilliam County
| Period | Gilliam County | Oregon | U.S. |
|---|---|---|---|
| 2006–10 | $1,107 | $870 | $965 |
| 2010–14 | $750 | $982 | $1,040 |
| 2015–19 | $958 | $1,183 | $1,213 |
| 2020–24 | $1,174 | $1,601 | $1,571 |
| Change | +$67 | +$731 | +$606 |
The median renter in Gilliam County pays $1,174 a month for rent and utilities, well below the national median of $1,571. The typical renter here spends 24.8% 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 Gilliam County
Bachelor's degrees in Gilliam County
| Period | Gilliam County | Oregon | U.S. |
|---|---|---|---|
| 2006–10 | 18.6% | 29.0% | 28.4% |
| 2010–14 | 19.5% | 30.2% | 29.6% |
| 2015–19 | 17.5% | 33.5% | 32.1% |
| 2020–24 | 20.6% | 36.4% | 35.6% |
| Change | +1.9 pts | +7.3 pts | +7.2 pts |
Fewer adults in Gilliam County have a four-year degree than in the country as a whole: 20.6%, against 35.6% nationally. Gilliam County has a lower share of college graduates than most Oregon counties.
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 Gilliam County
| Period | Gilliam County | Oregon | U.S. |
|---|---|---|---|
| 2006–10 | 84.5% | 88.5% | 84.9% |
| 2010–14 | 92.3% | 89.4% | 86.1% |
| 2015–19 | 90.4% | 90.5% | 87.7% |
| 2020–24 | 88.3% | 91.5% | 89.3% |
| Change | +3.7 pts | +3.0 pts | +4.3 pts |
High school completion in Gilliam County is close to the national rate: 88.3% of adults have a diploma or equivalent, against 89.3%. The rate is lower than in Oregon as a whole (91.5%). Gilliam County has a lower share of high school graduates than the great majority of Oregon counties.
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 Gilliam County
| Period | Gilliam County | Oregon | U.S. |
|---|---|---|---|
| 2006–10 | 7.3% | 8.8% | 8.1% |
| 2010–14 | 9.5% | 10.6% | 9.4% |
| 2015–19 | 6.4% | 5.6% | 5.6% |
| 2020–24 | 2.6% | 5.3% | 5.4% |
| Change | −4.7 pts | −3.5 pts | −2.7 pts |
Unemployment in Gilliam County has been low: just 2.6% of the labor force was out of work and looking, well below the national rate of 5.4%. Only two of Oregon's 36 counties have lower unemployment. 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).
Gilliam 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Gilliam County | 2.25 | 50.7 | 5.9% | 25.9% | 20.3% | 1971 | $1,174 | 20.6% | 88.3% | 2.6% |
| Sherman County | 2.40 | 43.8 | 9.4% | 34.1% | 17.0% | 1960 | $1,021 | 16.0% | 91.1% | 0.9% |
| Wasco County | 2.41 | 43.2 | 8.7% | 32.5% | 12.6% | 1970 | $1,125 | 22.0% | 85.7% | 8.0% |
| Union County | 2.39 | 39.9 | 9.0% | 34.5% | 8.8% | 1971 | $1,039 | 26.0% | 93.6% | 5.6% |
| Clackamas County | 2.63 | 43.0 | 8.8% | 29.3% | 6.4% | 1985 | $1,847 | 40.3% | 94.7% | 4.3% |
| Multnomah County | 2.34 | 39.4 | 10.2% | 46.6% | 6.7% | 1969 | $1,755 | 47.6% | 91.9% | 5.6% |
| Washington County | 2.62 | 39.2 | 9.4% | 39.2% | 4.4% | 1989 | $1,997 | 47.6% | 92.6% | 4.4% |
| Wallowa County | 2.22 | 49.3 | 8.5% | 27.5% | 21.5% | 1970 | $1,127 | 38.7% | 93.9% | 3.7% |
| Tillamook County | 2.26 | 49.4 | 11.2% | 25.7% | 30.0% | 1978 | $1,263 | 26.9% | 90.5% | 4.8% |
| Madison County | 2.44 | 50.6 | 2.5% | 19.0% | 37.0% | 1995 | $1,165 | 32.7% | 93.6% | 3.0% |
| Carbon County | 2.39 | 52.1 | 5.9% | 22.0% | 24.6% | 1977 | $1,072 | 34.8% | 96.3% | 4.8% |
All figures 2020–24.
Counties with similar populations: Phillips County, MT · Kimble County, TX · King and Queen County, VA · King County, TX · Kingman County, KS · La Salle County, TX · Petersburg Census Area, AK · Petroleum County, MT · Phillips County, CO · Phillips County, KS
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 Gilliam 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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