Post Falls city, Idaho Demographics & Population 2026
As of 2026, Post Falls city, Idaho has a total population of 41,716, the 9th largest city in Idaho, with a median household income of $73,313, which is 2% lower than the state average. The poverty rate is 13.0%.
Post Falls city Quick Facts
How Post Falls city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 35 | National average: 60
Education
Educational Attainment (Adults 25+)
Post Falls city Rankings in Idaho
Explore Idaho Rankings
Cities Similar to Post Falls city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Lewiston city | 34,471 | $71,047 | $290,900 | 27.0% | 13.3% |
| Rexburg city | 39,589 | $50,359 | $384,000 | 40.8% | 35.5% |
| Coeur d'Alene city | 55,558 | $70,845 | $451,600 | 30.5% | 8.3% |
| Twin Falls city | 53,219 | $60,760 | $279,400 | 22.7% | 10.8% |
| Pocatello city | 57,152 | $57,931 | $240,600 | 32.9% | 13.9% |
Population Overview
Post Falls city is a mid-sized community located in Idaho. The total population is 41,716. It ranks as the 9th most populous out of 234 cities and towns in Idaho.
Age Demographics
The median age in Post Falls city is 34.6 years. This is 7% lower than the state median of 37.1 years.
Economy, Income & Housing
The median household income in Post Falls city is $73,313. This is 2% lower than the state median of $74,636. Compared to the national median of $78,538, household income here is 7% lower. The poverty rate stands at 13.0%. This is 22% higher than the state poverty rate of 10.6%. The unemployment rate is 3.7%. The median home value is $425,100. Housing costs are 13% higher than the state median of $376,000. The home-value-to-income ratio is 5.8x. 66.0% of occupied housing units are owner-occupied. This homeownership rate is 9% lower than the state average of 72.4%.
Race & Ethnicity
The largest racial or ethnic group in Post Falls city is White (non-Hispanic), making up 84.4% of the population. Hispanic or Latino residents account for 6.6%. The Black or African American population (0.3%) is well below the state average of 0.7%. The Hispanic or Latino population (6.6%) is well below the state average of 13.3%. The Asian population (0.6%) is well below the state average of 1.3%.
Education
23.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 25% 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 93.6%.
Data Sources & Methodology
All demographic data for Post Falls city, Idaho is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Idaho state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 234 Census-designated places in Idaho. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Post Falls city, Idaho?
Post Falls city, Idaho has a population of 41,716 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Post Falls city, ID?
The median household income in Post Falls city is $73,313, which is 7% lower the national median of $78,538.
What is the poverty rate in Post Falls city, ID?
The poverty rate in Post Falls city is 13.0%. This means approximately 5,356 residents live below the federal poverty line.
What is the racial makeup of Post Falls city, Idaho?
Post Falls city's population is 84.4% White, 0.3% Black, 6.6% Hispanic/Latino, and 0.6% Asian.
What is the median home value in Post Falls city, ID?
The median home value in Post Falls city is $425,100. The home-value-to-income ratio is 5.8x.
How educated is Post Falls city, Idaho?
23.4% of adults (25+) in Post Falls city hold a bachelor's degree or higher, and 5.2% hold a graduate or professional degree.