Doniphan County, Kansas Demographics 2026

Population Overview

Doniphan County is located in Kansas with a total population of 7,492. It is the 50th most populous county out of 105 in Kansas.

Age Demographics

The median age in Doniphan County is 41.3 years. This is 11% higher than the state median of 37.2 years.

Economy, Income & Housing

The median household income in Doniphan County is $72,833. This is about average than the state median of $72,639. Compared to the national median of $78,538, household income here is 7% lower. The poverty rate stands at 9.8%. This is 15% lower than the state poverty rate of 11.5%. The unemployment rate is 1.5%. This is 61% lower than the state rate of 3.9%. The median home value is $121,200. Housing costs are 40% lower than the state median of $203,400. With a home-value-to-income ratio of just 1.7x, Doniphan County is one of the most affordable housing markets in the area. 81.8% of occupied housing units are owner-occupied. This homeownership rate is 22% higher than the state average of 66.9%.

Race & Ethnicity

Doniphan County has a predominantly White (non-Hispanic) population, comprising 88.6% of all residents. Hispanic or Latino residents account for 3.2%. The Hispanic or Latino population (3.2%) is well below the state average of 13.3%. The Asian population (0.1%) is well below the state average of 2.9%.

Education

21.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 39% lower than the state rate of 35.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.9%.