Harrison, Idaho Demographics & Population 2026

A note before these figures: with a population of 190, Harrison's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Harrison is a small community located in Idaho, within Kootenai County. The total population is 190. It ranks as the 195th most populous out of 232 Census-designated places in Idaho.

Age Demographics

The median age in Harrison is 58.4 years. This is 57% higher than the state median of 37.3 years. Only 13.7% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Harrison is $108,194. This is 39% higher than the state median of $77,800. It is also 34% higher than the national median of $80,734. The poverty rate stands at 5.3%. This is 49% lower than the state poverty rate of 10.6%. The unemployment rate is 8.3%. This is 123% higher than the state rate of 3.7%. The median home value is $463,900. Housing costs are 11% higher than the state median of $418,600. The home-value-to-income ratio is 4.3x. 68.4% of occupied housing units are owner-occupied. This homeownership rate is 5% lower than the state average of 72.1%.

Race & Ethnicity

Every resident counted in Harrison was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.

Education

56.7% of residents aged 25 and older hold a bachelor's degree or higher. This places Harrison in the top 10% of all cities in the state for educational attainment. This is 78% higher 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 93.9%. Notably, 34.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Harrison, Idaho is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Idaho state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 232 Census-designated places in Idaho. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.