ZIP code
83321
Castleford, ID
83321 covers Castleford in Twin Falls County, with 424 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 83321. Methodology
ZIP code map of 83321
About ZIP code 83321
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 83321. Not ACS. Methodology
People in 83321
Race
- White365
- Black or African American6
- American Indian or Alaska Native5
- Native Hawaiian and Pacific Islander1
- Other race68
- Two or more races55
Hispanic or Latino (any race): 191
Age
- Under 1075
- 10 to 1971
- 20 to 2970
- 30 to 3964
- 40 to 4968
- 50 to 5958
- 60 to 6953
- 70 to 7921
- 80 and older20
Income and housing in 83321
Education
- High school graduate81.2%
- Bachelor's degree31.5%
- Graduate degree8.2%
Places covering 83321
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Castleford43.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Twin Falls County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
57.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 83321
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 603 | |
| 2006 | 568 | |
| 2007 | 580 | |
| 2008 | 591 | |
| 2009 | 643 | |
| 2010 | 676 | |
| 2011 | 617 | 630 |
| 2012 | 606 | 620 |
| 2013 | 655 | 590 |
| 2014 | 495 | 530 |
| 2015 | 468 | 490 |
| 2016 | 558 | 480 |
| 2017 | 511 | 500 |
| 2018 | 463 | 460 |
| 2019 | 474 | 470 |
| 2020 | 499 | 480 |
| 2021 | 423 | 480 |
| 2022 | 496 | 480 |
| 2023 | 424 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 83321
12 nearest ZIP centroids (any distance)
- 83301Twin Falls16.9 miPop 61,968 · Income $62,388
- 83316Buhl19.4 miPop 10,075 · Income $61,378
- 83328Filer19.5 miPop 6,459 · Income $62,273
- 83302Rogerson20.3 miPop 259 · Income $105,605
- 83341Kimberly24.9 miPop 9,445 · Income $95,340
- 83334Hansen28.8 miPop 2,428 · Income $57,065
- 83355Wendell29.2 miPop 5,451 · Income $63,083
- 89825Jackpot31.3 miPop 1,429 · Income $63,560
- 83332Hagerman31.5 miPop 2,608 · Income $67,153
- 83338Jerome33.9 miPop 21,830 · Income $70,489
- 83325Eden35.4 miPop 712 · Income $65,694
- 83344Murtaugh36.8 miPop 1,286 · Income $68,158
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 83321, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 83321 FAQ
- What city is ZIP code 83321 in?
- 83321 is in Castleford, ID.
- What county is 83321 in?
- 83321 is in Twin Falls County.
- What is the median household income in 83321?
- The median household income in 83321 is $54,861.
- Which ZIP codes are near 83321?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 83321.