Gilliam County, Oregon
Located in Oregon, Gilliam County has a population of 1,971 residents and a median age of 50.1 years, making it the #3,122 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 15.3%. The median home value is $189,300, and the median household income is $66,917, which is 11% below the national median.
Demographics
Gilliam County has a population of 1,971, making it the #3,122 most populous county in the US. The median age is 50.1 years, which is 28.8% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Gilliam County is $66,917, ranking #1,441 out of 3,222 counties — 11.0% below the national median. The poverty rate is 15.3% and unemployment stands at 2.8%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Gilliam County is $189,300 (-32.8% vs national). Renters pay a median of $1,125/mo and the homeownership rate is 74.1%.
Median Home Value Trend
Rankings →Household Type
Education
In Gilliam County, 21.0% of adults age 25+ hold a bachelor's degree or higher, which is 37.8% below the national average, ranking #1,827 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Gilliam County is 76.4 years. 17.2% of adults report poor or fair health and 7.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
14.2% of adults in Gilliam County smoke , 31.8% are obese , and 21.9% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 74.0 per 100,000.
Families & Children
15.1% of children in Gilliam County live in poverty .
Child Poverty Trend
Civic & Transportation
Voter turnout in Gilliam County is 76.0%. The mean commute time is 21.0 min, which is 23.8% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Gilliam County voted Republican with a margin of 45.4%. The vote was 25.8% Dem / 71.2% Rep. Compared to 2020, the margin shifted 2.1 toward Republicans .
Vote Share Over Time
About Gilliam County, Oregon
Gilliam County, Oregon has a total population of 1,971, making it the 3,122nd most populous county in the United States. The median age in Gilliam County is 50.1 years, which is 28.8% above the national median of 38.9 years.
The median household income in Gilliam County is $66,917, which ranks #1,441 of 3,222 counties nationwide. This is 11.0% below the national median of $75,149. The poverty rate is 15.3%, higher than the national rate of 12.6%. The unemployment rate stands at 2.8%.
The median home value in Gilliam County is $189,300, 32.8% below the national median. Renters in Gilliam County pay a median gross rent of $1,125 per month. The homeownership rate is 74.1%, compared to the national rate of 64.4%.
In Gilliam County, 21.0% of residents aged 25 and older hold a bachelor's degree or higher, 37.8% below the national average of 33.7%. Health insurance coverage stands at 94.4% of the population. The average commute time for workers is 21.0 min.
Gilliam County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 80.0% of the population, followed by Hispanic or Latino (9.4%) and Two or More Races (7.9%).
All data for Gilliam County, Oregon comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.