Lincoln County, Idaho Demographics 2026

Population Overview

Lincoln County is located in Idaho with a total population of 5,358. It is the 37th most populous county out of 44 in Idaho. The county encompasses 3 Census-designated places.

Age Demographics

The median age in Lincoln County is 37.2 years. This is about the same as the state median of 37.3 years.

Economy, Income & Housing

The median household income in Lincoln County is $71,453. This is 8% lower than the state median of $77,800. It is also 11% lower than the national median of $80,734. The poverty rate stands at 10.5%. This is 1% lower than the state poverty rate of 10.6%. The unemployment rate is 4.9%. This is 32% higher than the state rate of 3.7%. The median home value is $255,600. Housing costs are 39% lower than the state median of $418,600. The home-value-to-income ratio is 3.6x. 78.9% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 72.1%.

Race & Ethnicity

The largest racial or ethnic group in Lincoln County is White (non-Hispanic), making up 62.2% of the population. Hispanic or Latino residents account for 32.4%. The Hispanic or Latino population is significantly higher than the state average (32.4% vs 13.7%). The Asian population (0.3%) is well below the state average of 1.3%.

Education

11.1% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 65% 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 84.0%.

Data Sources & Methodology

All figures for Lincoln 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.