Caldwell city, Idaho Demographics & Population 2026
As of 2026, Caldwell city, Idaho has a total population of 63,465, the 5th largest city in Idaho, with a median household income of $66,663, which is 11% lower than the state average. The poverty rate is 13.3%.
Key Takeaways
- Caldwell city is the 5th largest city in Idaho with a population of 63,465.
Caldwell city Quick Facts
How Caldwell 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 diverse community with significant representation from multiple racial and ethnic groups.
State average: 35 | National average: 60
Education
Educational Attainment (Adults 25+)
Caldwell city Rankings in Idaho
Explore Idaho Rankings
Cities Similar to Caldwell city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Idaho Falls city | 66,672 | $69,630 | $298,600 | 31.0% | 12.0% |
| Coeur d'Alene city | 55,558 | $70,845 | $451,600 | 30.5% | 8.3% |
| Pocatello city | 57,152 | $57,931 | $240,600 | 32.9% | 13.9% |
| Twin Falls city | 53,219 | $60,760 | $279,400 | 22.7% | 10.8% |
| Post Falls city | 41,716 | $73,313 | $425,100 | 23.4% | 13.0% |
Population Overview
Caldwell city is a mid-sized community located in Idaho. The total population is 63,465. It ranks as the 5th most populous out of 234 cities and towns in Idaho.
Age Demographics
The median age in Caldwell city is 30.8 years. This is 17% lower than the state median of 37.1 years. With 31.1% of the population under 18, Caldwell city has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Caldwell city is $66,663. This is 11% lower than the state median of $74,636. Compared to the national median of $78,538, household income here is 15% lower. The poverty rate stands at 13.3%. This is 25% higher than the state poverty rate of 10.6%. The unemployment rate is 5.1%. This is 39% higher than the state rate of 3.7%. The median home value is $322,100. Housing costs are 14% lower than the state median of $376,000. The home-value-to-income ratio is 4.8x. 70.7% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 72.4%.
Race & Ethnicity
The largest racial or ethnic group in Caldwell city is White (non-Hispanic), making up 55.2% of the population. Hispanic or Latino residents account for 38.1%. The Hispanic or Latino population is significantly higher than the state average (38.1% vs 13.3%).
Education
17.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 43% 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 83.5%.
Data Sources & Methodology
All demographic data for Caldwell 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 Caldwell city, Idaho?
Caldwell city, Idaho has a population of 63,465 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Caldwell city, ID?
The median household income in Caldwell city is $66,663, which is 15% lower the national median of $78,538.
What is the poverty rate in Caldwell city, ID?
The poverty rate in Caldwell city is 13.3%. This means approximately 8,227 residents live below the federal poverty line.
What is the racial makeup of Caldwell city, Idaho?
Caldwell city's population is 55.2% White, 0.4% Black, 38.1% Hispanic/Latino, and 1.0% Asian.
What is the median home value in Caldwell city, ID?
The median home value in Caldwell city is $322,100. The home-value-to-income ratio is 4.8x.
How educated is Caldwell city, Idaho?
17.8% of adults (25+) in Caldwell city hold a bachelor's degree or higher, and 4.6% hold a graduate or professional degree.