County ProfileID
Twin Falls County
Population: 90,046 · 9 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
90,046
People
Median age
36.1
Housing
Total households
34,754
Income
Median household income
$67,409
Housing
Total housing units
36,429
Employment
Employment rate
62.6%
Education
Bachelor’s degree or higher
23.5%
Healthcare
Insured population
89.8%
County details
Local time 00:51:58(MT)| Name | Twin Falls |
|---|---|
| Total ZIP codes | 9total |
| ZIP codes (by type) | 8 Standard1 PO Box |
| Area code | 208, 986 |
| Timezone | Mountain Time (MT) |
| Coordinates | 42.352309, -114.6656386 |
| Land area | 1,921.7 sq miles(4,977.2 km²) |
Map of Twin Falls county, Idaho with ZIP codes
Cities and Communities in Twin Falls County
Compare the largest cities in Twin Falls County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Twin Falls | 51,807 | $61,205 | 2ZIPs |
| Kimberly | 4,626 | $97,799 | 1ZIPs |
| Buhl | 4,558 | $55,568 | 1ZIPs |
| Filer | 2,738 | $64,671 | 1ZIPs |
| Hansen | 1,086 | $50,083 | 1ZIPs |
| Castleford | 215 | $46,667 | 1ZIPs |
| Rogerson | 159 | — | 1ZIPs |
| Murtaugh | 114 | $48,750 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Twin Falls County
Review the most populated postal areas across Twin Falls County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS