US ZIP Code
83605

Caldwell, ID

Canyon County  ·  Idaho

● Active
👥 41,155 Population ↓ 12% since 2019
💰 $60,657 Median HH Income
▼ 21% below avg ↑ 27% since 2019
🎂 31.9 Median Age ↑ 7% since 2019
🏠 $300,900 Median Home Value
▲ 8% above avg ↑ 101% since 2019
🎓 25.9% College Grads
▼ 33% below avg
📊 5.2% Unemployment
≈ Avg ↓ 29% since 2019
ZIP Code Details
ZIP Code83605
CityCaldwell
StateIdaho (ID)
CountyCanyon County
Area Code208/986
Elevation2,413 ft
Latitude43.664057
Longitude-116.651729
TimezoneBoise (DST)
FIPS16027
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.3% (20,289) Female 50.7% (20,866) ♀

Race & Ethnicity

White: 50.8%Hispanic: 42.4%Black: 0.5%Asian: 0.9%Other: 4.4%Race
White50.8%
Hispanic42.4%
Black0.5%
Asian0.9%
Other4.4%

Age Breakdown

Under 5
7%
5–17
21%
18–24
12%
25–44
27%
45–64
22%
65+
4%

Key Indicators

Median Age31.9 yrs ↑ 7% since 2019
Avg Household Size2.92
Below Poverty13.9% ▲ 39% above avg
College Grads25.9% ▼ 33% below avg
Unemployment5.2% ≈ Avg
No HS Diploma640 (3.1%)
HS Graduate7,194 (34.6%)
Some College3,960 (19.1%)
Associates3,600 (17.3%)
Bachelors2,040 (9.8%)
Graduate Degree3,338 (16.1%)

Education

No HS: 3.1%HS Grad: 34.6%Some College: 19.1%Associates: 17.3%Bachelors: 9.8%Graduate: 16.1%Edu
No HS3.1%
HS Grad34.6%
Some College19.1%
Associates17.3%
Bachelors9.8%
Graduate16.1%
Housing & Income

Housing Tenure

Owner: 67.2%Renter: 32.8%Tenure
Owner67.2%
Renter32.8%

Home Value Distribution

Under $50k
8%
$50k–100k
3%
$100k–150k
3%
$150k–200k
7%
$200k–300k
29%
$300k–500k
42%
Over $500k
9%

Financials

Median HH Income$60,657 ▼ 21% below avg ↑ 27% since 2019
Median Home Value$300,900 ▲ 8% above avg ↑ 101% since 2019
Home/Income Ratio5.0x (nat avg ~3.5x)
Median Rent$973/mo ↑ 25% since 2019
Total Units14,197
Vacant Units669
Avg HH Size2.92

Income Distribution

Under $25k
20%
$25k–50k
19%
$50k–75k
23%
$75k–100k
15%
$100k–150k
18%
$150k–200k
3%
Over $200k
2%
Employment & Commute

How People Get to Work

Drove Alone
84%
Public Transit
1%
Walked
4%
Work From Home
12%

Commute Time

Under 15 min
33%
15–30 min
31%
30–45 min
25%
Over 45 min
11%
Housing Stock

Year Built

Before 1940
5%
1940s–1950s
7%
1960s–1970s
9%
1980s–1990s
17%
2000+
61%

Summary

Total Units14,197
Vacant669
Owner Occupied67.2%
Renter Occupied32.8%
Avg HH Size2.92
Frequently Asked Questions
ZIP code 83605 is in Caldwell, ID, in Canyon County.
ZIP code 83605 is located in Idaho (ID).
ZIP code 83605 is in Canyon County, ID.
ZIP 83605 observes the Boise timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 83605 is 41,155 people (ACS 2023).
The median household income in ZIP code 83605 is $60,657 (ACS 2023).
The median home value in ZIP 83605 is $300,900 (ACS 2023).
About ZIP Code 83605

ZIP code 83605 is located in Caldwell, Idaho, within Canyon County. With a population of 41,155, this is a highly populated ZIP code with a relatively young community — the median age is 31.9 years. Economically, 83605 is a solidly middle-class ZIP code: the median household income of $60,657 is below the national average.

Real estate in ZIP code 83605 represents a mid-range housing market. The median home value of $300,900 is near the national average. Renters can expect to pay around $973 per month in median rent. Homeownership is strong here — 67.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 101% since 2019.

The population of 83605 is majority White (50.76%). Residents are moderately educated — 25.9% hold a bachelor's degree or higher, which is below the national average. Poverty affects some residents at 13.9%. Household income has grown by 27% since 2019.

The unemployment rate in 83605 stands at 5.2%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 73%.

Overall, ZIP code 83605 in Caldwell, ID is characterized as solidly middle-class, moderately educated, a relatively young community, and predominantly owner-occupied. With 41,155 residents, a median household income of $60,657, and a median home value of $300,900, it offers a clear picture of life in this part of Idaho.