83605 ZIP Code, Caldwell, ID
83605 is a ZIP code in Caldwell, Idaho in Canyon County. It covers 25 square miles of land. The closest ZIP codes are 83607, 83651 and 83644. 41,325 people live here in 13,709 households, more than in 9 of every 10 Idaho ZIP codes. At about 1,678 people per square mile it has suburban density, and owners and renters are mixed (69% own). Median household income is $68,427, below the Idaho median of $77,800.
Quick facts
- Mailing city: Caldwell, ID
- County: Canyon County
- Land area: 25 sq mi
- Population: 41,325
- Median household income: $68,427
Key figures
| Measure | Value |
|---|---|
| Residents | 41,325 |
| Households | 13,709 |
| Median household income | $68,427 |
| Income per person | $25,866 |
| Median age | 32.4 |
| Homeowners | 69.2% |
| Median home value | $346,100 |
| Median rent | $1,124 |
| Bachelor's degree or higher | 15.1% |
| Average commute (minutes) | 23.3 |
| Households with kids under 18 | 38.9% |
| Moved in the past year | 14.2% |
| Below the poverty line | 12.4% |
| Broadband internet | 91.5% |
| Speak a non-English language at home | 30.8% |
Household income
| % of households | Value |
|---|---|
| <$10K | 4.6% |
| $10–15K | 2.7% |
| $15–25K | 8.3% |
| $25–35K | 8.0% |
| $35–50K | 12.1% |
| $50–75K | 21.3% |
| $75–100K | 15.5% |
| $100–150K | 21.6% |
| $150–200K | 4.0% |
| $200K+ | 1.9% |
Age
| % of all residents | Value |
|---|---|
| <10 | 13.0% |
| 10–19 | 18.6% |
| 20–24 | 7.8% |
| 25–34 | 14.3% |
| 35–44 | 14.2% |
| 45–54 | 10.2% |
| 55–64 | 10.8% |
| 65–74 | 6.3% |
| 75+ | 4.8% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 45.2% |
| Owned outright | 21.1% |
| Rented | 29.0% |
| Vacant | 4.7% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 73.3% |
| Townhome | 3.8% |
| 2–4 units | 6.9% |
| 5–19 units | 4.5% |
| 20+ units | 3.8% |
| Mobile / other | 7.7% |
Businesses in 83605
1,140 business establishments with 16,390 employees (ZIP Codes Business Patterns 2023).
- Construction: 316
- Health Care and Social Assistance: 119
- Retail Trade: 106
- Accommodation and Food Services: 89
- Other Services (except Public Administration): 85
- Manufacturing: 74
- Administrative and Support and Waste Management and Remediation Services: 69
- Wholesale Trade: 55
EDDM carrier routes
See every USPS carrier route in 83605 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 83607 — Caldwell city, ID (5.3 mi)
- 83651 — Nampa city, ID (5.5 mi)
- 83644 — Middleton city, ID (6.7 mi)
- 83687 — Nampa city, ID (7.2 mi)
- 83656 — Notus city, ID (8.3 mi)
- 83626 — Greenleaf city, ID (8.7 mi)
- 83669 — Star city, ID (9.2 mi)
- 83646 — Meridian city, ID (11 mi)
Areas that include 83605
- Caldwell, ID ZIP codes — 2 ZIP codes
- Canyon County ZIP codes — 12 ZIP codes
- Idaho ZIP code data
Where it ranks
- No. 5 of 11: highest share of residents who moved in during the past year in Canyon County
- No. 1 of 11: lowest median age in Canyon County
Mail every home in 83605
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 83605, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 83605 in?
- 83605 is a Caldwell, ID mailing address. By land area, 61% lies inside Caldwell; the rest is outside any Census-defined city or community.
- What county is 83605 in?
- 83605 is in Canyon County.
- What is the population of 83605?
- About 41,325 people (±1,855), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 38,561.
- What is the median household income in 83605?
- $68,427 (±$4,030), compared with $77,800 for Idaho as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 83605?
- EDDM2GO's stored route library does not include 83605 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 83605?
- The closest, measured center to center: 83607 (5.3 mi, Caldwell), 83651 (5.5 mi, Nampa), 83644 (6.7 mi, Middleton), 83687 (7.2 mi, Nampa), 83656 (8.3 mi, Notus) and 83626 (8.7 mi, Greenleaf).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.