Nez Perce County, Idaho Demographics 2026

Population Overview

Nez Perce County is located in Idaho with a total population of 42,477. It is the 10th most populous county out of 44 in Idaho.

Age Demographics

The median age in Nez Perce County is 40.9 years. This is 10% higher than the state median of 37.1 years.

Economy, Income & Housing

The median household income in Nez Perce County is $71,466. This is 4% lower than the state median of $74,636. Compared to the national median of $78,538, household income here is 9% lower. The poverty rate stands at 13.1%. This is 23% higher than the state poverty rate of 10.6%. The unemployment rate is 2.9%. This is 21% lower than the state rate of 3.7%. The median home value is $291,300. Housing costs are 23% lower than the state median of $376,000. The home-value-to-income ratio is 4.1x. 72.2% of occupied housing units are owner-occupied.

Race & Ethnicity

Nez Perce County has a predominantly White (non-Hispanic) population, comprising 86.1% of all residents. Hispanic or Latino residents account for 4.3%. The Black or African American population (0.1%) is well below the state average of 0.7%. The Hispanic or Latino population (4.3%) is well below the state average of 13.3%.

Education

26.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 14% lower than the state rate of 31.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.9%.