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Caldwell, ID
City in Canyon County, Idaho. ZIP codes: 83605.
Population
66,516
Land area
25.1sq mi
People per sq mi
2,646
ZIP codes
1
Caldwell and its ZIP codes
Caldwell at a glance
- Caldwell is about 113 times as dense as Idaho as a whole.
- It is the 5th most populous of 232 cities and towns in Idaho.
- Households here earn a median of $73,058 a year, 6% less than the Idaho figure of $77,800.
- A typical owner-occupied home is valued at $367,300 (12% below Idaho) and median rent is $1,264 a month.
Local data for Caldwell, ID
Counts from official public data
- Hospitals1
- Emergency Rooms1
- Nursing Homes2
- Schools27
- Colleges1
- Libraries1
- Banks10
- Post Offices1
- Parks20
- Grocery Stores12
- Restaurants119
- Affordable Housing6
- Home Health Agencies1
- Hospice Care2
- Dialysis Centers2
- Community Health Centers5
- Mental Health & Addiction Treatment10
- Private Schools3
- Toxic Release Facilities5
- Historic Places12
Housing and community stats
Caldwell, ID, American Community Survey 2020-2024
Median household income
$73,058
Poverty rate
11.9%
Median home value
$367,300
Median rent
$1,264/mo
Homeownership
73.0%
Bachelor's or higher
19.5%
Median age
31.5
Average commute
24.6 min
Largest reported origins and ancestries: Mexican Americans (20,319), German Americans (8,497), Irish Americans (4,696).
Economy and federal money
Jobs, pay, income and spending are for Canyon County. PPP loans are for Caldwell.
Unemployment rate
3.2%
Sep 2026, -0.2 pts in a year
Average annual pay
$54,271
90,221 jobs, 2025
Income per person
$50,169
BEA, 2024
Federal spending
$1.4B
FY 2026, $6,021 per person
PPP loans
$72.5M
686 loans, 9,397 jobs reported
How people get to work
Caldwell, ID, workers 16 and older. American Community Survey 5-year estimates
- Drove alone73.7%
- Carpooled11.5%
- Public transit0.0%
- Walked1.7%
- Bicycle0.2%
- Taxi, ride-hailing, motorcycle or other0.8%
- Worked from home12.1%
Average one-way commute: 24.6 minutes for people who do not work from home.
Environment and hazard risk
Caldwell, ID, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: winter weather
Storm events since 1996
176
Countywide, mostly heavy snow
Flood insurance policies
350
0.4% of homes, county
July high / Jan low
93° / 23°F
11.0 inches of rain a year
Hazards, floods and storm historyCheck a flood zone12 historic places
Health statistics
Share of adults in Caldwell, ID, CDC PLACES estimates
Obesity
36.9%
U.S. 33.3% +3.6 pts
Diabetes
11.6%
U.S. 12.1% -0.5 pts
Smoking
13.6%
U.S. 12.8% +0.8 pts
Uninsured (18-64)
17.5%
U.S. 11.1% +6.4 pts
ZIP codes in Caldwell
1 in or overlapping Caldwell. Population shown
Cities near Caldwell
| Name | Distance | Land area (sq mi) |
|---|---|---|
| MiddletonCity | 4.9 mi | 6.6 |
| NampaCity | 5.9 mi | 35.9 |
| GreenleafCity | 8.7 mi | 0.8 |
| StarCity | 9.1 mi | 11.5 |
| NotusCity | 9.5 mi | 0.4 |
| MarsingCity | 10 mi | 0.7 |
| MeridianCity | 12 mi | 37.1 |
| EagleCity | 13 mi | 45.2 |
| WilderCity | 13 mi | 0.8 |
| HomedaleCity | 14 mi | 1.4 |
| LethaCensus-designated place | 18 mi | 0.5 |
| ParmaCity | 18 mi | 1.1 |
| EmmettCity | 18 mi | 2.9 |
| MelbaCity | 19 mi | 0.5 |
| Garden CityCity | 20 mi | 4.1 |
| Boise CityCity | 21 mi | 85.2 |
Frequently asked questions
- What county is Caldwell, ID in?
- Caldwell is in Canyon County, Idaho.
- What ZIP codes are in Caldwell, ID?
- ZIP codes in or overlapping Caldwell include 83605.
- What is the population of Caldwell, ID?
- About 66,516 people live in Caldwell, based on American Community Survey 5-year estimates.
- What cities are near Caldwell?
- Nearby places include Middleton (4.9 mi), Nampa (5.9 mi), Greenleaf (8.7 mi), Star (9.1 mi), Notus (9.5 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023