Columbia County, Oregon
Located in Oregon, Columbia County has a population of 53,493 residents and a median age of 43.3 years, making it the #969 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 8.9%. The median home value is $421,600, and the median household income is $87,458, which is 16% above the national median.
Demographics
Columbia County has a population of 53,493, making it the #969 most populous county in the US. The median age is 43.3 years, which is 11.3% 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 Columbia County is $87,458, ranking #362 out of 3,222 counties — 16.4% above the national median. The poverty rate is 8.9% and unemployment stands at 4.1%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Columbia County is $421,600 (+49.6% vs national). Renters pay a median of $1,373/mo and the homeownership rate is 76.1%.
Median Home Value Trend
Rankings →Household Type
Education
In Columbia County, 19.8% of adults age 25+ hold a bachelor's degree or higher, which is 41.1% below the national average, ranking #2,026 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Columbia County is 77.6 years. 18.0% of adults report poor or fair health and 6.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.2% of adults in Columbia County smoke , 36.9% are obese , and 22.2% report excessive drinking. The drug overdose death rate is 27.6 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Columbia County is 3.0 per 100,000 and the suicide rate is 21.7 per 100,000. Motor vehicle deaths occur at a rate of 12.8 per 100,000.
Homicide Rate Trend
Families & Children
11.5% of children in Columbia County live in poverty . The teen birth rate is 10.7 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Columbia County is 79.0%. The mean commute time is 35.4 min, which is 28.3% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Columbia County voted Republican with a margin of 13.9%. The vote was 41.4% Dem / 55.3% Rep. Compared to 2020, the margin shifted 3.6 toward Republicans .
Vote Share Over Time
About Columbia County, Oregon
Columbia County, Oregon has a total population of 53,493, making it the 969th most populous county in the United States. The median age in Columbia County is 43.3 years, which is 11.3% above the national median of 38.9 years.
The median household income in Columbia County is $87,458, which ranks #362 of 3,222 counties nationwide. This is 16.4% above the national median of $75,149. The poverty rate is 8.9%, lower than the national rate of 12.6%. The unemployment rate stands at 4.1%.
The median home value in Columbia County is $421,600, 49.6% above the national median. Renters in Columbia County pay a median gross rent of $1,373 per month. The homeownership rate is 76.1%, compared to the national rate of 64.4%.
In Columbia County, 19.8% of residents aged 25 and older hold a bachelor's degree or higher, 41.1% below the national average of 33.7%. Health insurance coverage stands at 94.6% of the population. The average commute time for workers is 35.4 min.
Columbia County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 84.3% of the population, followed by Hispanic or Latino (6.7%) and Two or More Races (6.0%).
All data for Columbia 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.