ZIP code 83605
Where is ZIP code 83605?
Caldwell, Idaho
Canyon County · Standard ZIP code
ZIP code 83605 belongs to Caldwell, Idaho in Canyon County. 83605 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Mountain Time zone and uses area codes 208 and 986. About 41,325 people live in the 83605 area, where the median household income is $68,427. The closest ZIP codes are 83607 (Caldwell, 3.9 mi southwest), 83652 (Nampa, 5 mi northeast) and 83644 (Middleton, 5.9 mi northeast).
| ZIP code | 83605 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Caldwell |
| State | Idaho (ID) |
| County | Canyon County |
| Time zone | Mountain Time · now |
| Area codes | 208, 986 |
| Coordinates | 43.6627, -116.7 map |
| 3-digit prefix | 836 |
Population and income in 83605
| Population | 41,325 · higher than 96% of Idaho ZIP codes |
|---|---|
| People per square mile | 1,678 · higher than 95% of Idaho ZIP codes |
| Median age | 32.4 years · lower than 88% of Idaho ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $68,427 · lower than 57% of Idaho ZIP codes |
| Income per person | $25,866 |
| Below the poverty line | 12% |
| Bachelor’s degree or higher | 15% of adults 25+ |
| Median home value | $346,100 · higher than 51% of Idaho ZIP codes |
| Median rent | $1,124 a month |
| Housing units | 14,391 |
| Households | 13,709 (2.91 people on average) |
| Owners / renters | 69% / 31% |
| Land area | 24.63 sq mi (plus 0.26 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 83605. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 83605
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 83607 | Caldwell, ID | 3.9 mi SW | Standard |
| 83652 | Nampa, ID | 5 mi NE | PO Box only |
| 83644 | Middleton, ID | 5.9 mi NE | Standard |
| 83653 | Nampa, ID | 6 mi SW | PO Box only |
| 83630 | Huston, ID | 6.1 mi SW | PO Box only |
| 83606 | Caldwell, ID | 6.5 mi NW | PO Box only |
| 83626 | Greenleaf, ID | 6.6 mi W | Standard |
| 83656 | Notus, ID | 6.6 mi NW | PO Box only |
| 83651 | Nampa, ID | 8 mi SE | Standard |
| 83687 | Nampa, ID | 9.5 mi SE | Standard |
| 83669 | Star, ID | 10.5 mi E | Standard |
| 83639 | Marsing, ID | 10.5 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 83605 or measure the distance to another ZIP code.
How to address mail to 83605
123 MAIN ST
CALDWELL ID 83605
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Doles, Enrose, Knowlton Heights, Sunnyslope and Weitz: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (83605-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Caldwell, ID
All Caldwell ZIP codes with population and income →
Questions
- What city is ZIP code 83605?
- 83605 is a Caldwell, Idaho ZIP code.
- What county is 83605 in?
- ZIP code 83605 is in Canyon County, Idaho.
- What time zone is ZIP code 83605 in?
- 83605 is in the Mountain Time zone (America/Boise).
- What area code is 83605?
- Phone numbers in ZIP code 83605 use area codes 208 and 986.
- What is the population of ZIP code 83605?
- About 41,325 people live in ZIP code 83605, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 83605?
- The median household income in 83605 is $68,427 a year, lower than 57% of Idaho ZIP codes.
- What ZIP codes are near 83605?
- The nearest ZIP codes to 83605 are 83607 (Caldwell, 3.9 miles), 83652 (Nampa, 5 miles), 83644 (Middleton, 5.9 miles) and 83653 (Nampa, 6 miles).