Dallas County, Iowa Demographics 2026

Population Overview

Dallas County is located in Iowa with a total population of 104,136. It is the 7th most populous county out of 99 in Iowa.

Age Demographics

The median age in Dallas County is 35.8 years. This is 7% lower than the state median of 38.6 years.

Economy, Income & Housing

The median household income in Dallas County is $102,349. This is 40% higher than the state median of $73,147. Compared to the national median of $78,538, household income here is 30% higher. The poverty rate stands at 5.8%. This is 47% lower than the state poverty rate of 11.0%. The unemployment rate is 2.9%. This is 19% lower than the state rate of 3.6%. The median home value is $333,400. Housing costs are 70% higher than the state median of $195,900. The home-value-to-income ratio is 3.3x. 69.5% of occupied housing units are owner-occupied. This homeownership rate is 3% lower than the state average of 71.5%.

Race & Ethnicity

The largest racial or ethnic group in Dallas County is White (non-Hispanic), making up 81.8% of the population. Hispanic or Latino residents account for 6.7%. The Asian population is significantly higher than the state average (4.6% vs 2.4%).

Education

51.6% of residents aged 25 and older hold a bachelor's degree or higher. This places Dallas County in the top 10% of all cities in the state for educational attainment. This is 67% higher than the state rate of 30.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.1%. Notably, 17.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.