ZIP Code 83421, Idaho
ZIP Code 83421 profile, demographic data, and geographic information.
ZCTA5 83421 is a 5-digit ZIP Code area located in Fremont County, Idaho. As of official census estimates, it has a reported population of 220. The land area covers 11.69 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 220 | ±180 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 62.4 yrs | ±34.6 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 115 | ±85 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 148 | ±96 |
| Occupied Housing Units | 115 | ±85 |
| Vacant Housing Units | 33 | ±52 |
| Median Home Value | $282,400 | ±$30,510 |
| Median Gross Rent | Suppressed | — |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | Suppressed | — |
| Per Capita Income | $125,365 | ±$87,609 |
| Poverty Rate | 0% | ±5.5% |
| Population Below Poverty Level | 0 | ±12 |
| Unemployment Rate | 0% | ±17.1% |
| Civilian Labor Force, Employed | 70 | ±66 |
| Broadband Internet Rate | 100% | ±0% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 14,399 (2024)
ID: 124638
|
County | Official County Government |
Contact: COUNTY CLERK
151 W 1ST N ST, STE 12, SAINT ANTHONY ID 83445-1409
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | KG-04 | REXBURG, ID | |
| Regular School Nearby | PK-05 | ASHTON, ID | |
| Regular School Nearby | PK-04 | REXBURG, ID | |
| Regular School Nearby | PK-02 | SUGAR CITY, ID | |
| Alternative School Nearby | 06-12 | REXBURG, ID | |
| Alternative School Nearby | 05-12 | ST ANTHONY, ID | |
| Regular School Nearby | PK-05 | ST ANTHONY, ID | |
| Regular School Nearby | KG-04 | REXBURG, ID | |
| Alternative School Nearby | 06-12 | ST ANTHONY, ID | |
| Regular School Nearby | KG-04 | REXBURG, ID |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Brigham Young University-Idaho
|
College | 17.3 mi away | 525 S Center, Rexburg, ID, 83460-1690 |
2084961411
|
|
FREMONT DISTRICT - BOOKMOBILE
|
Library | 6.9 mi away | 420 N BRIDGE STE E, ASHTON, ID, 83420 |
(208) 652-7280
|
|
Evans Hairstyling College-Rexburg
|
College | 18.0 mi away | 67 Winn Dr, Rexburg, ID, 83440 |
2083598141
|
|
FREMONT DISTRICT - ST. ANTHONY
|
Library | 7.1 mi away | 420 N BRIDGE STE E, ST. ANTHONY, ID, 83445 |
(208) 624-3192
|
|
Paul Mitchell the School-Rexburg
|
College Vocational | 18.2 mi away | 557 Mariah Ave, Rexburg, ID, 83440 |
2086560800
|
|
FREMONT DISTRICT - ASHTON
|
Library | 7.1 mi away | 925 MAIN, ASHTON, ID, 83420 |
(208) 652-7280
|
|
Rexburg College of Massage Therapy
|
College Vocational | 18.3 mi away | 669 Pioneer Road, Rexburg, ID, 83440-3873 |
2084193149
|
|
SUGAR SALEM SCHOOL/COMMUNITY
|
Library | 13.1 mi away | 1 DIGGER DR, SUGAR CITY, ID, 83448 | — |
|
SUGAR SALEM SCHOOL/COMMUNITY
|
Library | 13.1 mi away | 1 DIGGER DR, SUGAR CITY, ID, 83448 |
(208) 356-0271
|
|
MADISON LIBRARY DISTRICT
|
Library | 16.8 mi away | 73 N CENTER ST, REXBURG, ID, 83440 | — |
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at ASHTON 1N, ID US, located 6.6 miles from ZCTA5 83421. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 28.9° | 13.4° | 21.1° | 2.31" | 19.8" |
| February | 32.6° | 16.8° | 24.7° | 1.53" | 10.7" |
| March | 42.3° | 24.5° | 33.4° | 1.29" | 5.3" |
| April | 53.8° | 31.4° | 42.6° | 1.70" | 2.0" |
| May | 65.3° | 39.7° | 52.5° | 2.24" | 0.0" |
| June | 73.1° | 45.7° | 59.4° | 2.15" | 0.0" |
| July | 82.6° | 50.9° | 66.7° | 0.64" | 0.0" |
| August | 82.7° | 48.5° | 65.6° | 0.85" | 0.0" |
| September | 72.5° | 41.8° | 57.1° | 1.17" | 0.0" |
| October | 57.1° | 32.2° | 44.6° | 1.63" | 1.6" |
| November | 40.1° | 22.7° | 31.4° | 1.90" | 10.5" |
| December | 29.2° | 14.6° | 21.9° | 2.26" | 20.2" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Ashton city | City | 7.0 mi | — |
| St. Anthony city | City | 7.2 mi | — |
| Newdale city | City | 8.5 mi | — |
| Drummond city | City | 10.1 mi | — |
| Teton city | City | 10.1 mi | — |
| Parker city | City | 11.0 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 83421. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.