Butte County, Idaho Demographics 2026

Population Overview

Butte County is located in Idaho with a total population of 2,684. It is the 42nd most populous county out of 44 in Idaho. The county encompasses 3 Census-designated places.

Age Demographics

The median age in Butte County is 41.3 years. This is 11% higher than the state median of 37.3 years.

Economy, Income & Housing

The median household income in Butte County is $53,015. This is 32% lower than the state median of $77,800. It is also 34% lower than the national median of $80,734. The poverty rate stands at 19.3%. This is 82% higher than the state poverty rate of 10.6%. The unemployment rate is 4.4%. This is 17% higher than the state rate of 3.7%. The median home value is $217,600. Housing costs are 48% lower than the state median of $418,600. The home-value-to-income ratio is 4.1x. 77.5% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 72.1%.

Race & Ethnicity

Butte County has a predominantly White (non-Hispanic) population, comprising 88.8% of all residents. Hispanic or Latino residents account for 6.5%. The Hispanic or Latino population (6.5%) is well below the state average of 13.7%.

Education

17.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 45% lower than the state rate of 31.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.1%.

Data Sources & Methodology

All figures for Butte County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Idaho 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.