ZIP code 83605: Caldwell, ID
83605 is a ZIP code in Caldwell, Idaho, mainly in Canyon County, part of the Boise City, ID metro area. About 41,325 people live here.
- Population
- 41,325
- Median household income
- $68,427
- Typical home value
- $373,700+1.8% in 12 months
- Median rent
- $1,124gross, per month
- Median age
- 32.4
- Homeowners
- 69.2%of occupied homes
Shaded: ZIP code 83605's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 83605 details
| City | Caldwell |
|---|---|
| State | Idaho |
| County | Canyon County |
| Metro area | Boise City, ID |
| Time zone | Mountain Time (UTC−7), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 24.6 sq mi, plus 0.3 sq mi of water |
| Population density | 1,678 people per sq mi |
| Bachelor's degree or higher | 15.1% of adults 25+ |
| Average commute | 23.3 minutes |
| Center coordinates | 43.66406, -116.65173 |
Median rent in 83605 by bedrooms
| Size | Median gross rent |
|---|---|
| Studio | $820/mo |
| 1 bedroom | $902/mo |
| 2 bedrooms | $1,018/mo |
| 3 bedrooms | $1,392/mo |
| 4 bedrooms | $1,761/mo |
| 5+ bedrooms | $1,750/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 83605
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 83652 | Nampa, ID | 3.4 mi | — |
| 83607 | Caldwell, ID | 5.3 mi | 35,491 |
| 83651 | Nampa, ID | 5.5 mi | 38,121 |
| 83644 | Middleton, ID | 6.7 mi | 16,293 |
| 83687 | Nampa, ID | 7.2 mi | 43,135 |
| 83653 | Nampa, ID | 7.4 mi | — |
| 83630 | Huston, ID | 8.1 mi | — |
| 83656 | Notus, ID | 8.3 mi | 560 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 83605?
A typical home in ZIP code 83605 is worth about $373,700 (Zillow Home Value Index). The median household here earns $68,427 a year. See what buying here would cost per month, with Idaho average taxes and insurance filled in.
Monthly payment for a $373,700 homeWhat can a $68,427 income afford?Rental property numbers
About ZIP code 83605
What city is ZIP code 83605?
ZIP code 83605 is in Caldwell, ID, in Canyon County.
What county is ZIP code 83605 in?
83605 is mainly in Canyon County, Idaho.
What is the population of ZIP code 83605?
About 41,325 people live in ZIP code 83605, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 83605 in?
83605 is in Mountain Time (UTC−7). It observes daylight saving time.