ZIP Code Tabulation Area · Idaho

ZIP Code 83321: Twin Falls County, ID

ZIP Code 83321 (Twin Falls County, Idaho) has an estimated 482 residents in 210 households. The median household income is $60,000, the median home value is — and the median gross rent is $925/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Some estimates have a large margin of error. 3 figures for this ZIP (bachelor's or higher, owner-occupied, commute) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

482

Margin of error ±150

Median household income

$60,000

Margin of error ±$13,489

Median home value

—

Margin of error not available

Median gross rent

$925/mo

Margin of error ±$152

Median age

46.8 yrs

Margin of error ±9.7 yrs

Mean travel time to work

21.4 min*

Margin of error ±11.1 min· estimate has a large margin of error

How ZIP 83321 compares with Idaho and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 8332146.8 yrsIdaho37.3 yrsUnited States38.9 yrs

Median household income

ZIP 83321$60,000Idaho$77,800United States$80,734

Per capita income

ZIP 83321$26,022Idaho$38,952United States$44,673

Poverty rate

ZIP 8332114.8%Idaho10.6%United States12.5%

Unemployment rate

ZIP 833215.7%Idaho3.7%United States5.2%

Bachelor's degree or higher

ZIP 8332124.3%*Idaho31.8%United States35.7%

Median home value

ZIP 83321—Idaho$418,600United States$332,700

Median gross rent

ZIP 83321$925/moIdaho$1,238/moUnited States$1,413/mo

Owner-occupied homes

ZIP 8332166.7%*Idaho72.1%United States65.2%

Mean travel time to work

ZIP 8332121.4 min*Idaho21.6 minUnited States26.4 min

Worked from home

ZIP 833212.0%Idaho13.3%United States15.1%

All figures for ZIP 83321

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 83321 — ACS 2020–2024 5-year estimates
Measure	ZIP 83321	Margin of error	Idaho	United States
Total population	482	±150	1,934,262	334,922,499
Median age	46.8 yrs	±9.7 yrs	37.3 yrs	38.9 yrs
Households	210	±66	713,005	129,227,496
Median household income	$60,000	±$13,489	$77,800	$80,734
Per capita income	$26,022	±$4,860	$38,952	$44,673
Poverty rate	14.8%	±7.9 pts	10.6%	12.5%
Unemployment rate	5.7%	±5.8 pts	3.7%	5.2%
Bachelor's degree or higher	24.3%*	±10.7 pts	31.8%	35.7%
Median home value	—	—	$418,600	$332,700
Median gross rent	$925/mo	±$152	$1,238/mo	$1,413/mo
Owner-occupied homes	66.7%*	±18.0 pts	72.1%	65.2%
Mean travel time to work	21.4 min*	±11.1 min	21.6 min	26.4 min
Worked from home	2.0%	±2.4 pts	13.3%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 83321
Group	ZIP 83321	Idaho	United States
White alone, not Hispanic or Latino	55.4%	78.6%	57.4%
Black or African American alone, not Hispanic or Latino	0.0%	0.7%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.7%	0.5%
Asian alone, not Hispanic or Latino	0.0%	1.3%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.1%	0.2%
Some other race alone, not Hispanic or Latino	3.1%	0.6%	0.6%
Two or more races, not Hispanic or Latino	4.8%	4.2%	4.3%
Hispanic or Latino (of any race)	36.7%	13.6%	19.3%

Where ZIP 83321 is

State: Idaho
Main county: Twin Falls County
Largest overlapping place: Castleford (less than 1% of the ZIP's land area)
Land area: 181.18 sq mi· about 3 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Twin Falls County

83301 Twin Falls County, ID 83302 Twin Falls County, ID 83316 Twin Falls County, ID 83328 Twin Falls County, ID 83332 Twin Falls County, ID 83334 Twin Falls County, ID 83341 Twin Falls County, ID

See every ZIP code in Idaho, or compare ZIP 83321 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.