Boone County, Iowa Demographics 2026

Population Overview

Boone County is located in Iowa with a total population of 26,669. It is the 23rd most populous county out of 99 in Iowa.

Age Demographics

The median age in Boone County is 42.2 years. This is 9% higher than the state median of 38.6 years.

Economy, Income & Housing

The median household income in Boone County is $79,741. This is 9% higher than the state median of $73,147. Compared to the national median of $78,538, household income here is 2% higher. The poverty rate stands at 6.7%. This is 39% lower than the state poverty rate of 11.0%. The unemployment rate is 1.3%. This is 63% lower than the state rate of 3.6%. The median home value is $191,200. Housing costs are 2% lower than the state median of $195,900. With a home-value-to-income ratio of just 2.4x, Boone County is one of the most affordable housing markets in the area. 81.0% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 71.5%.

Race & Ethnicity

Boone County has a predominantly White (non-Hispanic) population, comprising 93.3% of all residents. Hispanic or Latino residents account for 2.8%. The Black or African American population (1.3%) is well below the state average of 3.8%. The Hispanic or Latino population (2.8%) is well below the state average of 7.0%. The Asian population (0.2%) is well below the state average of 2.4%.

Education

28.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 7% lower 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 95.7%.