US ZIP Code
83323

Declo, ID

Cassia County  ·  Idaho

● Active
👥 1,856 Population
💰 $61,696 Median HH Income
▼ 19% below avg ↑ 8% since 2019
🎂 38.3 Median Age ↓ 2% since 2019
🏠 $320,500 Median Home Value
▲ 15% above avg ↑ 129% since 2019
🎓 33.6% College Grads
▼ 13% below avg
📊 1.7% Unemployment
▼ 65% below avg ↓ 69% since 2019
ZIP Code Details
ZIP Code83323
CityDeclo
StateIdaho (ID)
CountyCassia County
Area Code208/986
Elevation4,503 ft
Latitude42.474682
Longitude-113.449466
TimezoneBoise (DST)
FIPS16031
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 40.7% (755) Female 59.3% (1,101) ♀

Race & Ethnicity

White: 74.3%Hispanic: 24.3%Black: 0.3%Other: 1%Race
White74.3%
Hispanic24.3%
Black0.3%
Other1.0%

Age Breakdown

Under 5
6%
5–17
22%
18–24
5%
25–44
24%
45–64
27%
65+
10%

Key Indicators

Median Age38.3 yrs ↓ 2% since 2019
Avg Household Size2.73
Below Poverty4.9% ▼ 51% below avg
College Grads33.6% ▼ 13% below avg
Unemployment1.7% ▼ 65% below avg
No HS Diploma2 (0.2%)
HS Graduate324 (29.8%)
Some College143 (13.2%)
Associates252 (23.2%)
Bachelors131 (12.1%)
Graduate Degree234 (21.5%)

Education

No HS: 0.2%HS Grad: 29.8%Some College: 13.2%Associates: 23.2%Bachelors: 12.1%Graduate: 21.5%Edu
No HS0.2%
HS Grad29.8%
Some College13.2%
Associates23.2%
Bachelors12.1%
Graduate21.5%
Housing & Income

Housing Tenure

Owner: 66%Renter: 34%Tenure
Owner66.0%
Renter34.0%

Home Value Distribution

Under $50k
10%
$50k–100k
4%
$100k–150k
2%
$150k–200k
6%
$200k–300k
28%
$300k–500k
39%
Over $500k
12%

Financials

Median HH Income$61,696 ▼ 19% below avg ↑ 8% since 2019
Median Home Value$320,500 ▲ 15% above avg ↑ 129% since 2019
Home/Income Ratio5.2x (nat avg ~3.5x)
Median Rent$886/mo ↑ 27% since 2019
Total Units728
Vacant Units49
Avg HH Size2.73

Income Distribution

Under $25k
8%
$25k–50k
25%
$50k–75k
24%
$75k–100k
14%
$100k–150k
13%
$150k–200k
8%
Over $200k
7%
Employment & Commute

How People Get to Work

Drove Alone
89%
Walked
5%
Work From Home
7%

Commute Time

Under 15 min
53%
15–30 min
32%
30–45 min
4%
Over 45 min
11%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
5%
1960s–1970s
6%
1980s–1990s
20%
2000+
67%

Summary

Total Units728
Vacant49
Owner Occupied66.0%
Renter Occupied34.0%
Avg HH Size2.73
Frequently Asked Questions
ZIP code 83323 is in Declo, ID, in Cassia County.
ZIP code 83323 is located in Idaho (ID).
ZIP code 83323 is in Cassia County, ID.
ZIP 83323 observes the Boise timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 83323 is 1,856 people (ACS 2023).
The median household income in ZIP code 83323 is $61,696 (ACS 2023).
The median home value in ZIP 83323 is $320,500 (ACS 2023).
About ZIP Code 83323

ZIP code 83323 is located in Declo, Idaho, within Cassia County. With a population of 1,856, this is a sparsely populated ZIP code with a middle-aged community — the median age is 38.3 years. Economically, 83323 is a solidly middle-class ZIP code: the median household income of $61,696 is below the national average.

Real estate in ZIP code 83323 represents a mid-range housing market. The median home value of $320,500 is near the national average. Renters can expect to pay around $886 per month in median rent. Homeownership is strong here — 66.0% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 129% since 2019.

The population of 83323 is primarily White (74.25%). Residents are moderately educated — 33.6% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 4.9%. Household income has grown by 8% since 2019.

The unemployment rate in 83323 stands at 1.7%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 85%.

Overall, ZIP code 83323 in Declo, ID is characterized as solidly middle-class, moderately educated, a middle-aged community, and predominantly owner-occupied. With 1,856 residents, a median household income of $61,696, and a median home value of $320,500, it offers a clear picture of life in this part of Idaho.