ZIP Code 83321 - Castleford Idaho

ZIP Code 83321 is located in Castleford Idaho. 83321 is entirely within Twin Falls County. Regionally, 83321 is located in the Twin Falls Area.

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ZIP Code 83321 Quick Stats

ZIP Code NameCastleford
Primary CountyTwin Falls County
ZIP Code TypeStandard
Population (2022)496
Area Code(s)208 / 986
Current Time

ZIP Code 83321 Map

83321 Demographics

83321 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Idaho based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 83321 is White. The majority race/ethnicity attending public schools in 83321 is White. The current unemployment level in 83321 is 3.2%.

Population Growth Rate0.00%
Population Density12 People per Square Mile
Total Households214
Percentage High Income Households1.9%
Median Household Income (2021)$50,536
Average Adjusted Gross Income (2021)$166,600
Current Unemployment Rate (June 2024)3.2%
Majority Race/EthnictyWhite - 70.60%
Public School Majority Race/EthnictyWhite - 63.10%

83321 Race/Ethnicty Breakdown

Native American102.07%
Hawaiian/Pac. Islander00%

83321 Public School Race/Ethnicty Breakdown

Native American41.19%
Hawaiian/Pac. Islander00%

83321 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College103.41%
Bachelor Degree268.87%
High School Diploma11940.61%
No High School Diploma134.44%
GED or Alternate237.85%
1 or More Years of College4716.04%
Associates Degree3511.95%
Masters Degree165.46%
Professional Degree41.37%
Doctorate Degree00%

83321 Geography

Adjacent ZIP Codes
Cities/Towns in 83321
RegionTwin Falls Area
Metropolitan/Micropolitan Stat AreaTwin Falls, ID
Time ZoneMountain Daylight Time
IANA TimezoneAmerica/Boise
Area43 Square Miles

83321 Politics

US Congressional Districts in 83321
Idaho State House of Representatives Districts in 83321
Idaho State Senate Districts in 83321

83321 Schools

School Districts in 83321

83321 Weather and Climate Data

Plant Hardiness ZoneZone 6b: -5F to 0F
Average First Frost DateSeptember 11 - 20
Average Last Frost DateMay 21 - 31
Koppen-Geiger Climate ZoneBSk - Cold Semi-Arid Climate
Ecoregion80a - Dissected High Lava Plateau

83321 Annual Climate Data

Avg Min Temp (°F)23263136445058564838282238
Avg Max Temp (°F)38455361718088887864473863
Avg Precip (In.)1.23.821.0911.

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