Caldwell, Idaho Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Caldwell, Idaho is 63,465 as of the 2023 American Community Survey, making it the 5th-largest city in Idaho. The median household income is $66,663, the median home value is $322,100, and the median age is 30.8.
The population has grown 57.1% since 2010 (46,535 → 73,088).
63,465
Population
2525
People / sq mi
$66,663
Median Income
$322,100
Median Home Value
Caldwell covers 25.1 sq mi of land at 2525 people per square mile.
About Caldwell, ID
Caldwell is a city in Idaho with a population of 63,465. It ranks #5 among cities in Idaho by population. The median age is 30.8, younger than the national median. The population is 49.7% male and 50.3% female.
The median household income in Caldwell is $66,663, below the US median of $74,580. 10.1% of residents live below the federal poverty level. Home values sit at a median of $322,100, with monthly rent averaging $1,135. The homeownership rate of 70.7% is higher than the national rate of 64.8%.
Educational attainment in Caldwell reflects 17.8% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 11.6% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 24.5 minutes each way.
Caldwell city Population History (2010-2024)
The city of Caldwell city had a population of 46,535 in 2010 and 73,088 in 2024, a 57.1% growth over 14 years. The peak was 73,088 in 2024. Average annual growth rate: 3.29%.
73,088
Population (2024)
46,535
Population (2010)
73,088
Peak (2024)
3.29%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 46,535 |
| 2011 | 47,271 |
| 2012 | 47,708 |
| 2013 | 48,964 |
| 2014 | 50,122 |
| 2015 | 51,543 |
| 2016 | 53,106 |
| 2017 | 54,738 |
| 2018 | 56,478 |
| 2019 | 58,481 |
| 2020 | 60,743 |
| 2021 | 63,962 |
| 2022 | 66,129 |
| 2023 | 68,708 |
| 2024 | 73,088 |
Race & Ethnicity
| White | 63.7% |
| Black or African American | 0.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.8% |
| Two or More Races | 0.1% |
Economy & Income
$66,663
Median Household Income
$25,166
Per Capita Income
10.1%
Poverty Rate
3.3%
Unemployment Rate
Housing
$322,100
Median Home Value
$1,135
Median Rent
70.7%
Owner-Occupied
Education
83.5%
High School+
17.8%
Bachelor's+
Commute
0.3%
Drive Alone
73.8%
Public Transit
11.6%
Work From Home
24.5 min
Avg Commute
Community Profile
41.7%
Foreign Born
72.3%
Non-English at Home
7.9%
Veterans
14.9%
With Disability
86.7%
Health Insurance
95.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 21.5% |
| Construction | 12.8% |
| Manufacturing | 11.1% |
| Finance, Insurance & Real Estate | 9.5% |
| Education, Health Care & Social Services | 8.3% |
| Retail Trade | 6.6% |
| Arts, Entertainment & Food Services | 5.6% |
| Public Administration | 3.3% |
| Information | 3.2% |
| Agriculture & Mining | 3.2% |
| Transportation & Warehousing | 1.5% |
Largest cities in Idaho
Largest counties in Idaho
Part of Idaho
Metro areas in Idaho
City rankings
Frequently Asked Questions
Caldwell, Idaho has a population of 63,465 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 5th-largest city in Idaho.
The median household income in Caldwell, Idaho is $66,663, with 10.1% of residents living below the federal poverty level.
The median home value in Caldwell, Idaho is $322,100, with median monthly rent at $1,135 and a homeownership rate of 70.7%.
The median age in Caldwell, Idaho is 30.8 years. The population is 49.7% male and 50.3% female.
The population has grown 57.1% since 2010 (46,535 → 73,088).
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Statewide data for Idaho
Population, race, income, age, and trends across Idaho
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.