Caldwell, ID demographics:
population, income, and more

Total population
66,516
4.8% year-over-year change
Median household income
$73,058/yr
9.6% year-over-year change
Housing units
22,378
4.5% year-over-year change

Caldwell population

How many people live in Caldwell

Caldwell is home to 66,516 residents, according to the most recent Census data. Gender-wise, 49.3% of Caldwell locals are male, and 50.7% are female.

Total population
66,516
4.8% year-over-year change
Gender ratio
Male
49.3%
32,810
Female
50.7%
33,706
Value Percent YoY change
Male 32,810 49.3% 4.1%
Female 33,706 50.7% 5.5%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Caldwell is 32, with the population distributed as follows: about 25.1% are children under 15, then 15.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 30.2% of the population, while another 19.2% fall into the 45 to 64 bracket. Finally, around 10% are 65 or older.

Median age
31.5
Age breakdown
Under 15
25.1%
15 to 24
15.5%
25 to 44
30.2%
45 to 64
19.2%
Over 65
10%
Value Percent YoY change
Under 15 16,680 25.1% 0.1%
15 to 24 10,311 15.5% 6.5%
25 to 44 20,071 30.2% 10.0%
45 to 64 12,797 19.2% 2.7%
Over 65 6,657 10% 3.6%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Caldwell, 85.6% of the population are US-born citizens, while 6.6% have gained naturalized citizenship. At the same time, 7.8% of residents are non-citizens. As for race, 63.5% of locals are Caucasian, 0.4% are African American and 1% have Asian roots. Another 1.1% are Indigenous American, 0.4% are Pacific Islanders, while 16.1% identify as another race. There’s also a share of 17.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
85.6%
Non-U.S.-born citizens
6.6%
Non-citizens
7.8%
Value Percent YoY change
U.S.-born citizens 56,955 85.6% 5.3%
Non-U.S.-born citizens 4,383 6.6% -3.0%
Non-citizens 5,178 7.8% 6.2%
Racial breakdown
White
63.5%
Black or African American
0.4%
American Indian and Alaska Native
1.1%
Asian
1%
Native Hawaiian and other Pacific Islander
0.4%
Two or more races
17.4%
Other
16.1%
Value Percent
White 42,245 63.5%
Black or African American 251 0.4%
American Indian and Alaska Native 753 1.1%
Asian 694 1%
Native Hawaiian and other Pacific Islander 302 0.4%
Two or more races 11,578 17.4%
Other 10,693 16.1%

Households in Caldwell

A peek inside Caldwell households

Caldwell has 21,573 households, with an average of 3 members in each. Of these, 71% are families, while the remaining 29% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
21,573
4.2% year-over-year change
Average people per household
3
Non-family households
6,258
Family households
15,315
Value Percent YoY change
Non-family households 6,258 29% 1.6%
Family households 15,315 71% 5.4%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Caldwell

The housing landscape of Caldwell

Caldwell's housing consists of 22,378 units, with 79.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.1% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 5.3% of the housing landscape.

Housing units
22,378
4.5% year-over-year change
Housing types
Value Percent
1 unit, detached 17,732 79.2%
1 unit, attached 685 3.1%
2 units 454 2%
3 or 4 units 950 4.2%
5 to 9 units 439 2%
10 to 19 units 269 1.2%
20 to 49 units 399 1.8%
50 or more units 250 1.1%
Mobile home 1,178 5.3%
Boat, RV, van, etc. 22 0.1%
Homes built since 2020
1,518
173.0% year-over-year change

The age of buildings in Caldwell

In Caldwell, the median construction year is 2003. About 6.4% of homes were built before the 1940s, with another 4.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 24.4% of homes were added from 2000 to 2009, 25% between 2010 and 2019, and 6.8% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,426 6.4% 2.7%
Built between 1940 and 1949 1,093 4.9% -7.7%
Built between 1950 and 1959 825 3.7% 30.9%
Built between 1960 and 1969 1,373 6.1% 8.4%
Built between 1970 and 1979 1,807 8.1% 8.0%
Built between 1980 and 1989 1,014 4.5% -0.1%
Built between 1990 and 1999 2,275 10.2% -1.5%
Built between 2000 and 2009 5,448 24.4% -10.0%
Built between 2010 and 2019 5,599 25% 4.7%
Built in 2020 or later 1,518 6.8% 173.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Caldwell occupancy rates

Out of the 21,573 occupied housing units in Caldwell, 73% are owner-occupied, while 27% are lived in by tenants. Meanwhile, 3.6% of all homes on the local market sit vacant.

Occupied housing units
21,573
4.2% year-over-year change
Occupancy breakdown
Renter occupied
5,814
Owner occupied
15,759
Value Percent YoY
change
Renter occupied 5,814 27% -4.0%
Owner occupied 15,759 73% 7.7%
Unoccupied housing units
3.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Caldwell housing costs

Housing costs in Caldwell come to a median of $1,309 per month, while tenants specifically pay a median gross rent of $1,264.

Median housing costs per month
$1,309/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Caldwell
$1,264/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Caldwell

Caldwell education at a glance

About 42.8% of the population in Caldwell went to high school, while 23.9% pursued college studies. Another 9.4% earned an associate degree and 13% hold a bachelor’s. Meanwhile, 4.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 2,970 6.4% -3.1%
High school diploma 19,864 42.8% 3.4%
College diploma 11,075 23.9% 3.0%
Associate degree 4,342 9.4% 13.6%
Bachelor's degree 6,038 13% 17.0%
Graduate degree 2,067 4.5% 20.7%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Caldwell

How much people earn in Caldwell

The average annual household income in Caldwell was $82,573 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +9% change from the previous year. At the same time, the median income stood at $73,058, reflecting a +9.6% shift over the same period.

Average household income in Caldwell
$82,573/year
9.0% year-over-year change
Median household income in Caldwell
$73,058/year
9.6% year-over-year change

Caldwell income by age

In Caldwell, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $79,458. Those with someone between 45 and 64 in charge, often well established professionally, earn $83,509 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $58,894, while those led by someone over 65, many of whom may be retired, have about $49,336 in earnings. Overall, 88.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $58,894 6.5%
25 - 44 $79,458 8.9%
45 - 64 $83,509 11.9%
Over 65 $49,336 9.5%
Above poverty level
56,679
Below poverty level
7,676
Value Percent YoY
change
Above poverty level 56,679 88.1% 7.1%
Below poverty level 7,676 11.9% -5.5%

Average renter income in Caldwell

To get a better sense of what renters earn on average in Caldwell, their median household income was $39,795 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 38.1%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$39,795
Rent-to-income ratio
38.1%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Caldwell

Workforce and job types in Caldwell

The job market in Caldwell is powered by 31,016 working residents, spread across a range of industries and roles. 67.1% of the working population are employed in professional or administrative positions, while 32.9% are in hands-on or service-based jobs. Also, 8.9% run their own businesses, 70% are employed by private companies, and 11.1% work in the public sector.

Workforce demographics

Working population
31,016
9.5% year-over-year change
White collar
20,823
Blue collar
10,193
Value Percent YoY change
White collar 20,823 67.1% 12.9%
Blue collar 10,193 32.9% 3.1%
Employer type
Self employees
8.9%
Private companies
70%
Governmental workers
11.1%
Not for profit companies
10%
Value Percent YoY change
Self employees 2,760 8.9% 38.5%
Private companies 21,709 70% 6.4%
Governmental workers 3,452 11.1% 9.9%
Not for profit companies 3,095 10% 10.8%
Unemployment rate
5.0%
6.8% year-over-year change

Available workforce

The unemployment rate in Caldwell stands at 5%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Caldwell

How people get around in Caldwell

Commuting methods vary: 85.2% of residents travel by personal vehicle and 1.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 25,948 85.2% 9.5%
Taxicab 20 0.1% N/A
Bus or trolleybus 3 0% -96.2%
Motorcycle 130 0.4% 20.4%
Bicycle 74 0.2% 32.1%
Walk 519 1.7% -4.4%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Caldwell by zipcode?

Zipcode Population Number of households Median income Average income
83605 41,325 13,709 $68,427 $75,800
83607 35,491 11,807 $85,399 $98,550

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FAQs about Caldwell demographics 

What is the total population of Caldwell?

Caldwell has a total population of 66,516 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +4.8% compared to a year ago.

What is the gender ratio in Caldwell?

The gender ratio in Caldwell is as follows:
  • 49.3% males (32,810 residents)
  • 50.7% females (33,706 residents)

What is the median age in Caldwell?

The median age in Caldwell is 31.5.

What is the age distribution of the population in Caldwell?

The age distribution in Caldwell is as follows:
  • Under 15: 25.1% (16,680 residents)
  • Ages 15-24: 15.5% (10,311 residents)
  • Ages 25-44: 30.2% (20,071 residents)
  • Ages 45-64: 19.2% (12,797 residents)
  • Over 65: 10% (6,657 residents)

What is the racial and ethnic makeup of Caldwell?

The racial and ethnic makeup of Caldwell is as follows:
  • White: 63.5% (42,245 residents)
  • Black or African American: 0.4% (251 residents)
  • American Indian and Alaska Native: 1.1% (753 residents)
  • Asian: 1% (694 residents)
  • Native Hawaiian and Other Pacific Islander: 0.4% (302 residents)
  • Two or More Races: 17.4% (11,578 residents)
  • Other: 16.1% (10,693 residents)

What percentage of the population in Caldwell are U.S.-born citizens?

U.S.-born citizens represent 85.6% of the population in Caldwell.

How many housing units are there in Caldwell?

There are 22,378 housing units in Caldwell, reflecting a +4.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Caldwell and what is the average household size?

Caldwell has a total of 21,573 households, with an average of 3 people in each.

What is the median household income in Caldwell?

Caldwell has a median household income of $73,058, representing a +9.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Caldwell?

The employment rate is 95% in Caldwell, with a workforce of 31,016 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 67.1% (20,823 residents)
  • Blue-collar workers: 32.9% (10,193 residents)

Places of employment:
  • Self-employed: 8.9% (2,760 residents)
  • Private companies: 70% (21,709 residents)
  • Governmental workers: 11.1% (3,452 residents)
  • Not-for-profit companies: 10% (3,095 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025