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Adams County, Washington Demographics 2026

Adams County, Washington has a population of 20,690, the 31st most populous county in Washington. The median household income is $65,042 and the median home value is $251,300. The poverty rate is 20.5%.

Adams County Quick Facts

Population 20,690
Median Household Income $65,042
Median Home Value $251,300
Poverty Rate 20.5%
Unemployment Rate 4.1%
Median Age 29.2 years
Homeownership Rate 69.0%
Affordability Ratio 3.9x
Bachelor's Degree+ 15.4%
High School Graduation 69.9%
Cities/Places 0
Population 20,690 31st of 39
Median Income $65,042 32% lower state
Poverty Rate 20.5%
Unemployment 4.1%

Economy & Housing

Employment

4.1% Unemployment Rate State: 5.0% | National: 5.2%
61.5% Labor Force Participation

Housing Overview

Owner 69.0%
Renter 30.9%
Affordability Index Affordable
3.9x home value to income ratio

People & Demographics

Diversity Index

49out of 100
Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 55 | National average: 60

Education

Explore Washington Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Adams County is located in Washington with a total population of 20,690. It is the 31st most populous county out of 39 in Washington.

Age Demographics

The median age in Adams County is 29.2 years. This is 24% lower than the state median of 38.2 years. With 35.0% of the population under 18, Adams County has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Adams County is $65,042. This is 32% lower than the state median of $94,952. Compared to the national median of $78,538, household income here is 17% lower. The poverty rate stands at 20.5%. This is 107% higher than the state poverty rate of 9.9%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 4.1%. This is 18% lower than the state rate of 5.0%. The median home value is $251,300. Housing costs are 52% lower than the state median of $519,800. The home-value-to-income ratio is 3.9x. 69.0% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 63.9%.

Race & Ethnicity

The largest racial or ethnic group in Adams County is Hispanic or Latino, making up 64.1% of the population. White (non-Hispanic) residents account for 32.1%. The White (non-Hispanic) population (32.1%) is well below the state average of 64.3%. The Black or African American population (0.4%) is well below the state average of 3.8%. The Hispanic or Latino population is significantly higher than the state average (64.1% vs 14.1%). The Asian population (0.6%) is well below the state average of 9.3%.

Education

15.4% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 60% lower than the state rate of 38.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 69.9%.

Frequently Asked Questions

What is the population of Adams County, Washington?

Adams County has a population of 20,690, making it the 31st most populous county in Washington.

What is the median income in Adams County?

The median household income in Adams County is $65,042 with a poverty rate of 20.5%.

How many cities are in Adams County, Washington?

Adams County contains 0 Census-designated places.