| ZIP Code | 83321 |
|---|---|
| City | Castleford |
| State | Idaho (ID) |
| County | Twin Falls County |
| Area Code | 208/986 |
| Elevation | 4,250 ft |
| Latitude | 42.345625 |
|---|---|
| Longitude | -114.847442 |
| Timezone | Boise (DST) |
| FIPS | 16083 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 40.6 yrs ↓ 7% since 2019 |
|---|---|
| Avg Household Size | 2.22 |
| Below Poverty | 9.4% ≈ Avg |
| College Grads | 43.2% ▲ 11% above avg |
| Unemployment | 2.2% ▼ 55% below avg |
| HS Graduate | 95 (33.3%) |
| Some College | 20 (7%) |
| Associates | 47 (16.5%) |
| Bachelors | 19 (6.7%) |
| Graduate Degree | 104 (36.5%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $54,861 ▼ 28% below avg ↑ 14% since 2019 |
|---|---|
| Median Home Value | $200,000 ▼ 28% below avg ↑ 39% since 2019 |
| Home/Income Ratio | 3.6x (nat avg ~3.5x) |
| Median Rent | $1,008/mo ↑ 27% since 2019 |
| Total Units | 214 |
| Vacant Units | 23 |
| Avg HH Size | 2.22 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 214 |
|---|---|
| Vacant | 23 |
| Owner Occupied | 64.9% |
| Renter Occupied | 35.1% |
| Avg HH Size | 2.22 |
ZIP code 83321 is located in Castleford, Idaho, within Twin Falls County. With a population of 424, this is a sparsely populated ZIP code with a middle-aged community — the median age is 40.6 years. Economically, 83321 is a working-class ZIP code: the median household income of $54,861 is below the national average.
Real estate in ZIP code 83321 represents an affordable housing market. The median home value of $200,000 is below the national average. Renters can expect to pay around $1,008 per month in median rent. Homeownership is strong here — 64.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 39% since 2019.
The population of 83321 is racially diverse, with White as the largest group at 47.2%. Residents are well-educated — 43.2% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 9.4%. Household income has grown by 14% since 2019.
The unemployment rate in 83321 stands at 2.2%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 86%.
Overall, ZIP code 83321 in Castleford, ID is characterized as working-class, well-educated, a middle-aged community, and predominantly owner-occupied. With 424 residents, a median household income of $54,861, and a median home value of $200,000, it offers a clear picture of life in this part of Idaho.