Castleford, ID 83321 ZIP Code Profile

Related Place Profiles:
Castleford, ID | Roseworth, ID

ZIP Code 83321: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Castleford, ID 83321

Not Acceptable, USPS
Roseworth, ID 83321

  • ZIP Code Type: STANDARD
  • County: Twin Falls County
  • Centroid: Latitude 42.522, Longitude -114.871
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes
  • Businesses Addresses: 19
  • PO Box Addresses: 95
  • Residential Addresses: 115
    • Multi-Family Addresses: 0
    • Single Family Addresses: 115

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

Jump to... (On This Page!)
  1. 83321 2018 Demographic Data
  2. Growth Rates for 83321 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Idaho Research Tools (Easy Tools & Current Data)
  3. Idaho Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Castleford, ID 83321 Data & Demographics (As of July 1, 2018)


Total Population 376
Population in Households 376
Population in Familes 308
Population in Group Qrtrs 0
Population Density2 3
Diversity Index3 56


Median Household Income $40,570
Average Household Income $57,813
Per Capita Income $20,911


Total Housing Units 163 (100%)
Owner Occupied HU 92 (56.4%)
Renter Occupied HU 44 (27.0%)
Vacant Housing Units 27 (16.6%)
Median Home Value $189,130
Average Home Value $326,902


Total Households 136
Average Household Size 2.76
Family Households 92
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 0.0% 0.37%
Households -0.09% 0.29%
Families -0.39% 0.0%
Median Household Income   3.5%
Per Capita Income   3.36%

Castleford, ID 83321 - Peer Comparisons by Rank and Percentile

The table below compares 83321 to the other 274 ZIP Codes in Idaho by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 210 24th
Population Density # 212 23rd
Diversity Index # 48 83rd
Median Household Income # 203 26th
Per Capita Income # 201 27th

Additional comparisons and rankings can be made with a VERY EASY TO USE Idaho Census Data Comparison Tool.

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