Residential delivery area · Idaho
ZIP Code 83321: Castleford, ID
ZIP code 83321 uses the postal name Castleford, Idaho and lies entirely in Twin Falls County (Census 2020 ZIP-county file). About 480 people live there (Census Bureau, ACS 2020-2024). Median household income is $60,000 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Castleford; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Castleford · its only residential ZIP
- County
- Twin Falls County
- Census places
- Castleford
- Metro area
- Twin Falls, ID
- House district
- ID-2 119th Congress
- State
- Idaho
- Time zone
- Mountain
- Land area
- 181.2 sq mi · 3 people per sq mi
Where is ZIP code 83321?
83321 centers on 42.346°, -114.847° and covers 181.2 square miles of land plus 0.1 of water. It borders 2 ZIP codes: 83316, 83302.
The map draws ZIP code areas only. For the streets inside 83321, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 83321 compare with the rest of Twin Falls County?
| Measure | 83321 | In Twin Falls County | In ID |
|---|---|---|---|
| People (ACS 2020-2024) | 482 | 8th of 9 | 202nd of 279 |
| Median household income | $60k | not ranked | not ranked |
| Median home value | – | not ranked | not ranked |
83321's income and home value are not ranked: it has fewer than 1,000 residents (482). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 7% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 83321?
The 2020 Census counted 500 people in 83321; the ACS, which samples households over 2020-2024, estimates 482. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 482±150 (90% margin)
- 2020 Census count
- 500
- Households
- 210
- Median age
- 46.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 83321?
Of the 482 people the ACS estimates in 83321, 23.4% are under 18 and 26.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (55.4%), then Hispanic or Latino (36.7%).
- Under 1823.4%
- 18 to 6450.4%
- 65 and older26.1%
- White, not Hispanic55.4%
- Hispanic or Latino36.7%
- Other or two or more7.9%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 83321 earn?
Median household income is $60,000 (ACS 2020-2024).
- Median household income
- $60,000±$13,489
- Income per person
- $26,022
- Below the poverty line
- 14.8%
- Unemployed (of the labor force)
- 5.7%
- Adults 25+ with a bachelor's degree
- 24.3%
- Adjusted gross income per tax return, 2022
- $49,700230 returns; wages 65% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 83321?
- Median home value (owners' estimate)
- –
- Median gross rent
- $925
- Homes owned by their occupants
- 66.7%
- Housing units
- 231
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 83321?
11 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in transportation and warehousing (ZIP Code Business Patterns).
- Transportation and warehousing3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 83321?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 83316 | Buhl | 10,456 | $70k | 19.4 mi |
| 83302 | Rogerson | 35 | $108k | 20.3 mi |
| 83301 | Twin Falls | 63,592 | $63k | 16.9 mi (near) |
| 83328 | Filer | 6,320 | $71k | 19.5 mi (near) |
| 83341 | Kimberly | 9,531 | $99k | 24.9 mi (near) |
| 83334 | Hansen | 2,227 | $65k | 28.8 mi (near) |
| 83355 | Wendell | 5,469 | $66k | 29.2 mi (near) |
| 89825 | Jackpot, NV | 1,415 | – | 31.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.