United States › Idaho › Caldwell CITY · 1990 CENSUS
Caldwell Idaho · 18,400 residents · 23.5 sq mi
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The short version
With 18,400 people, Caldwell is a city in Idaho. Median home value sits at $47,300. There are 7,567 fewer people here than in 2000. 13% of adults hold a bachelor's degree or higher. The median household earns $20,831, about 31% below the national median. Households here earn about 18% less than in Idaho as a whole.
At a glance
Lower income
below the US median
US median: $30,130
Younger
median age 30.7
US median: 33.0
Less educated
13% hold a bachelor's degree
US average: 20%
More affordable
home values down 23%, inflation adjusted
US median home: $93,722
Section 01
Population & growth vs 28.8 in 2000
US average: 33.0
Population, 1990 – 2024
14K 28K 42K 57K 71K 1990 2000 2010 2020 2024 Caldwell Age distribution, 1990
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $20,831
−11%inflation adjusted, since 2000
vs $30,848 in 2000
US average: $30,130
vs $13,657 in 2000
US average: $14,340
vs 16.0% in 2000
US average: 13.2%
$47,300
−23%inflation adjusted, since 2000
vs $81,400 in 2000
US average: $93,722
$309
−18%inflation adjusted, since 2000
vs $495 in 2000
US average: $450
vs 65.3% in 2000
38.2% rent
Section 04
Race & ethnicity 2000
White, non-Hispanic 68.3%(17,746)
Hispanic / Latino 28.1%(7,307)
1990
White, non-Hispanic 86%(15,828)
Hispanic / Latino 20.1%(3,703)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
+ 1 more hispanic origin group with data Ancestry
+ 32 more ancestry groups with data vs 11.7% in 2000
US average: 20.3%
High school or higher
vs 68.8% in 2000
US average: 75.2%
vs 4.2% in 2000
US average: 7.1%
Section 06
Commute & transportation vs 14.3 min in 2000
US average: 21.9
Section 07
Work & employment No data for the years selected.
Section 08
People & community No data for the years selected.
Marital status (2024)
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 Showing 2024 (the nearest year with coverage data).
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.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Caldwell Head to head
Compare Caldwell to nearby cities CALDWELL VS
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CALDWELL VS
Nampa
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CALDWELL VS
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Frequently asked
How many people live in Caldwell, Idaho? Caldwell, Idaho has about 18,400 residents according to the 1990 Census.
What is the median household income in Caldwell, Idaho? The typical household in Caldwell, Idaho earns about $20,831 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 $47,300, and the typical rent is about $309 a month.
How educated are people in Caldwell, Idaho? About 12.6% 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 16.0% of people in Caldwell, Idaho live below the federal poverty line.
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