Delta County, Colorado Demographics 2026
Delta County, Colorado has a population of 31,598, the 18th most populous county in Colorado. The median household income is $57,774 and the median home value is $343,200. The poverty rate is 14.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Delta County Quick Facts
How Delta County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 31,353 | 31,598 | +0.8% |
| Median household income | $58,330 | $57,774 | -1.0% |
| Median home value | $318,000 | $343,200 | +7.9% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 52 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Delta County
Explore Colorado Rankings
Population Overview
Delta County is located in Colorado with a total population of 31,598. It is the 18th most populous county out of 64 in Colorado. The county encompasses 7 Census-designated places.
Age Demographics
The median age in Delta County is 48.1 years. This is 28% higher than the state median of 37.7 years. 11.0% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Delta County is $57,774. This is 39% lower than the state median of $95,470. It is also 28% lower than the national median of $80,734. The poverty rate stands at 14.0%. This is 48% higher than the state poverty rate of 9.4%. The unemployment rate is 3.1%. This is 32% lower than the state rate of 4.6%. The median home value is $343,200. Housing costs are 36% lower than the state median of $539,400. The home-value-to-income ratio is 5.9x. 77.9% of occupied housing units are owner-occupied. This homeownership rate is 18% higher than the state average of 66.2%.
Race & Ethnicity
The largest racial or ethnic group in Delta County is White (non-Hispanic), making up 79.8% of the population. Hispanic or Latino residents account for 14.5%. The Black or African American population (0.7%) is well below the state average of 3.8%. The Asian population (0.5%) is well below the state average of 3.2%.
Education
26.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 42% lower than the state rate of 45.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.8%.
Data Sources & Methodology
All figures for Delta County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Colorado and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Delta County, Colorado?
Delta County has a population of 31,598, making it the 18th most populous county in Colorado.
What is the median income in Delta County?
The median household income in Delta County is $57,774 with a poverty rate of 14.0%.
How many cities are in Delta County, Colorado?
Delta County contains 7 Census-designated places.