Caldwell, Idaho Population 2021

62,487
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Caldwell is a city located in Canyon County Idaho. It is also the county seat of Canyon County. With a 2020 population of 62,487, it is the 5th largest city in Idaho (after Boise, Meridian, Nampa, and Idaho Falls) and the 611th largest city in the United States . Caldwell is currently growing at a rate of 3.31% annually and its population has increased by 35.15% since the most recent census, which recorded a population of 46,237 in 2010. Caldwell reached it's highest population of 62,487 in 2021. Spanning over 23 miles, Caldwell has a population density of 2,763 people per square mile.

The average household income in Caldwell is $58,143 with a poverty rate of 16.51%. The median rental costs in recent years comes to $878 per month, and the median house value is $152,400. The median age in Caldwell is 29.7 years, 29.1 years for males, and 30.4 years for females.

Caldwell Demographics

According to the most recent ACS, the racial composition of Caldwell was:

  • White: 73.21%
  • Other race: 19.09%
  • Two or more races: 4.54%
  • Native American: 1.60%
  • Asian: 1.05%
  • Black or African American: 0.26%
  • Native Hawaiian or Pacific Islander: 0.25%
The current population of Caldwell, Idaho is 62,487 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 56,478.The last official US Census in 2010 recorded the population at 46,237.

Caldwell, Idaho Population 2021

Population by Race

Race Population Percentage
White40,18573.21%
Some Other Race10,47619.09%
Two or More Races2,4944.54%
American Indian and Alaska Native8801.60%
Asian5741.05%
Black or African American1410.26%
Native Hawaiian and Other Pacific Islander1370.25%
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Caldwell Population by Race

Caldwell Population Pyramid $2021

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Caldwell Median Age

29.7


Total

29.1


Male

30.4


Female

Caldwell Adults

There are 36,993 adults, (5,875 of whom are seniors) in Caldwell.

Caldwell Age Dependency

76.4

Age Dependency Ratio

18.9

Old Age Dependency Ratio

57.5

Child Dependency Ratio

Caldwell Sex Ratio

Female

27,977

50.97%

Male

26,910

49.03%

Caldwell Population by Age

Caldwell Renter vs Owner Occupied by Household Type

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Caldwell Household Types

Type Owner Renter
Married72.4%27.6%
All63.4%36.6%
Male58.1%41.9%
Non Family54.9%45.1%
Female51.2%48.8%

63.4%

Rate of Home Ownership

Caldwell Households and Families

Type Count Average Size Owned
All16,8143.1863.4
Married8,4744.0572.4
Non Family4,9921.3154.9
Female2,3923.9251.2
Male9563.4158.1

3.87

Average Family Size

3.18

Average Household Size

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Caldwell Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3,1569.96%
9th to 12th Grade3,1549.95%
High School Graduate10,91334.43%
Some College7,73224.39%
Associates Degree2,4117.61%
Bachelors Degree3,31110.45%
Graduate Degree1,0213.22%
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Caldwell Educational Attainment by Sex (over 25)

Caldwell Educational Attainment by Race

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Race Total High School Bachelors
White20,29318,4093,648
Hispanic10,0885,870452
Other Race5,3533,069129
2+ Races89575866
Native American50343559
Asian423354195
Islander10854
Black7373

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 46.10%.

Caldwell Educational Attainment by Race

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Name Average Male Female
Overall$30,157$34,161$25,086
Less Than 9th Grade$25,124$30,503$17,352
High School Graduate$30,219$32,255$24,023
Some College$29,595$33,072$25,566
Bachelors Degree$40,504$48,929$36,031
Graduate Degree$45,326$60,000$37,838

$30,157

Average Earnings

$34,161

Average Male

$25,086

Average Female

Caldwell Earnings by Educational Attainment

Caldwell Language by Age

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Caldwell Language

71.50% of Caldwell residents speak only English, while 28.50% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 27.04% of the population.

Caldwell Language

Caldwell Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic20,8594,59022.00%
White30,1263,71812.34%
Other10,3762,35522.70%
Multiple2,46348019.49%
Asian57019734.56%
Native835678.02%
Black1002323.00%

16.51%

Overall Poverty Rate

16.41%

Male Poverty Rate

16.60%

Female Poverty Rate

Poverty in Caldwell

The race most likely to be in poverty in Caldwell is Asian, with 34.56% below the poverty level.

The race least likely to be in poverty in Caldwell is Native, with 8.02% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.44%. Among those working part-time, it was 17.18%, and for those that did not work, the poverty rate was 25.12%.

Caldwell Poverty

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Name Poverty
Less Than 9th Grade26.47%
High School11.88%
Bachelors or Greater9.98%
Some College8.96%

Caldwell Poverty Rate by Education

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Rate Poverty
Female Unemployed40.20%
Male Unemployed25.03%
Female Employed9.45%
Male Employed6.68%

Caldwell Poverty Rate by Employment Status and Sex

Caldwell Income by Household Type

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Name Median Mean
Households$49,046$58,143
Families$55,019$64,163
Married Families$64,036-
Non Families$29,154$37,263
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Income by Household Type

Caldwell Marital Status

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Marriage Rates

49.1%

Overall Marriage Rate

50.7%

Male Marriage Rate

47.7%

Female Marriage Rate

Caldwell Married by Age and Sex

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Caldwell Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Caldwell Marital Status by Race

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Caldwell Marital Status

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3,155

Number of Veterans

2,657

Male Veterans

498

Female Veterans

War Veterans
Second Gulf War925
Vietnam912
First Gulf War871
Korea175
World War II99

Caldwell Veterans by War

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Age Group Veterans
35 to 541,112
75+649
65 to 74601
55 to 64439
18 to 34354

Caldwell Veterans by Age

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Name Veterans % of Total
White2,86910.22%
Hispanic3322.64%
Other Race1392.09%
2+ Races888.52%
Asian276.38%
Black2724.11%
Native American50.90%

Caldwell Veterans by Race

Caldwell Veterans by Education

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7.12%

Veteran Poverty Rate

30.51%

Veteran Disability Rate

Caldwell Veterans by Education

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63.6%

Labor Force Participation

59.3%

Employment Rate

6.8%

Unemployment Rate

Caldwell Employment by Age

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Caldwell Employment by Race

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Caldwell Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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48.29%

Born in Caldwell

88.75%

Native Born

11.25%

Foreign Born

6.87%

Non Citizen

4.38%

Naturalized

Place of Birth

88.75% of Caldwell residents were born in the United States, with 48.29% having been born in Idaho. 6.87% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Caldwell Place of Birth

Year Population Growth Annual Growth Rate
202162,4872,0033.31%
202060,4842,0033.43%
201958,4812,0033.55%
201856,4781,7403.18%
201754,7381,6323.07%
201653,1061,5633.03%
201551,5431,4212.84%
201450,1221,1582.37%
201348,9641,2562.63%
201247,7084370.92%
201147,2717361.58%
201046,53520,5686.01%
200025,9677,5673.50%
199018,4007010.39%
198017,6993,4802.21%
197014,2191,9891.52%
196012,2301,7431.55%
195010,4873,2153.73%
19407,2722,2983.87%
19304,974-132-0.26%
19205,1061,5633.72%
19103,5430.00%

Caldwell Population by Year