United States › Idaho › Caldwell CITY
Caldwell Idaho · 76,629 residents (2025 est.) · 23.5 sq mi
Time machine
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The short version
With 66,516 people, Caldwell is a city in Idaho. Since 2000 the city has more than doubled, up 40,549 people. The median age is 31.5, younger than the US median of 38.9. 20% of adults hold a bachelor's degree, below the 36% national rate. Density works out to 2,829 people per square mile. Owners hold 73% of the housing stock.
At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 31.5
US median: 38.9
Less educated
20% hold a bachelor's degree
US average: 36%
Less affordable
home values up 148%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 25,967 in 2000
76,629 in 2025 (Census Bureau estimate)
2,829 / sq mi
+69%since 2009
from 1,674 / sq mi in 2009
US average: 281
from 28.8 in 2000
US average: 38.9
Population, 1990 – 2024
14K 28K 42K 57K 71K 1990 2000 2010 2020 2024 Caldwell Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $73,058
+30%inflation adjusted, since 2000
from $30,848 in 2000
US average: $82,259
from $13,657 in 2000
US average: $44,673
Households earning $100K+
from 10.1% in 2009
US average: 53.3%
from 16.0% in 2000
US average: 12.5%
from 0.382 in 2010
US average: 0.476
Workforce by industry, 2024
Professional, scientific, technical 4.5%
Agriculture, forestry, fishing 2.7%
Public administration 2.1%
Arts, entertainment, food 1.9%
Transportation & warehousing 1.9%
Education & health services 1.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$367,300
+148%inflation adjusted, since 2000
from $81,400 in 2000
US average: $376,019
$1,264
+40%inflation adjusted, since 2000
from $495 in 2000
US average: $1,442
from 65.3% in 2000
27.0% rent
from 10.9% in 2009
US average: 10.0%
from 2.79 people in 2009
US average: 2.54
from 33.9% in 2009
US average: 22.9%
from 40.6% in 2009
US average: 47.4%
from 3.2 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 68.3%(17,746)
Hispanic / Latino 28.1%(7,307)
2024
White, non-Hispanic 56%(37,216)
Hispanic / Latino 36.8%(24,478)
from 62 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 1 more hispanic origin group with data Ancestry
+ 32 more ancestry groups with data from 11.7% in 2000
US average: 35.6%
High school or higher
from 68.8% in 2000
US average: 89.6%
from 4.2% in 2000
US average: 14.0%
Section 06
Commute & transportation from 14.3 min in 2000
US average: 26.5
from 75.5% in 2009
US average: 68.9%
from 14.8% in 2009
US average: 8.5%
from 0.3% in 2009
US average: 3.2%
from 2.8% in 2009
US average: 15.0%
from 1.7% in 2009
US average: 2.4%
from 0.2% in 2009
US average: 0.4%
from 5.7% in 2009
US average: 8.3%
Section 07
Work & employment from 11.5% in 2011
US average: 5.2%
from 66.3% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 68.0% in 2020
US average: 74.6%
from 11.2% in 2009
US average: 13.1%
from 20.2% in 2009
US average: 42.5%
Section 08
People & community from 13.7% in 2009
US average: 14.1%
from 9.1% in 2009
US average: 6.2%
from 13.8% in 2012
US average: 13.3%
from 20.8% in 2013
US average: 8.4%
from 73.5% in 2017
US average: 91.0%
Computer in household
from 94.3% in 2020
US average: 95.5%
from 79.1% in 2020
US average: 87.7%
from 72.7% in 2016
US average: 77.7%
from 25.8% in 2016
US average: 13.6%
Marital status
Men 15+
Never married 37.7%(9,275)
Women 15+
Never married 28.8%(7,266)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 20.8% in 2013
US average: 8.4%
from 48.1% in 2020
US average: 54.8%
Direct-purchase
from 10.2% in 2020
US average: 13.8%
from 11.6% in 2020
US average: 18.4%
from 27.3% in 2020
US average: 20.9%
VA health care
from 3.6% in 2020
US average: 2.2%
Any private
from 58.7% in 2020
US average: 67.1%
Any public
from 39.0% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 37.5%(1,268)
Gulf War (1990s) 25.8%(872)
Share of the 3,385 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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Frequently asked
How many people live in Caldwell, Idaho? Caldwell, Idaho has about 66,516 residents according to the 2024 American Community Survey.
What is the median household income in Caldwell, Idaho? The typical household in Caldwell, Idaho earns about $73,058 a year. Half of households make more than that, and half make less.
Is Caldwell, Idaho expensive? In Caldwell, Idaho, the median home is worth about $367,300, and the typical rent is about $1,264 a month.
How educated are people in Caldwell, Idaho? About 19.5% of adults age 25 and over in Caldwell, Idaho hold a bachelor's degree or higher.
What is the poverty rate in Caldwell, Idaho? About 11.9% of people in Caldwell, Idaho live below the federal poverty line.
Has Caldwell, Idaho grown since 1990? Yes, Caldwell, Idaho has grown since 1990. The population has added about 48,116 residents, a change of about 262 percent over that period.
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