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County ProfileID

Fremont County

Population: 13,388 · 8 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
13,388
People
Median age
40
Housing
Total households
4,654
Income
Median household income
$72,683
Housing
Total housing units
8,810
Employment
Employment rate
55.9%
Education
Bachelor’s degree or higher
22.8%
Healthcare
Insured population
89.4%
County details
Local time 03:23:10(MT)
NameFremont
Total ZIP codes8total
ZIP codes (by type)
5 Standard3 PO Box
Area code208, 986
TimezoneMountain Time (MT)
Coordinates44.2180909, -111.484429
Land area1,864 sq miles(4,827.6 km²)

Map of Fremont county, Idaho with ZIP codes

Map of Fremont County, Idaho and ZIP codes

Cities and Communities in Fremont County

Compare the largest cities in Fremont County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Saint Anthony3,606$53,1521ZIPs
Ashton949$65,4281ZIPs
Teton787$67,3211ZIPs
Chester3491ZIPs
Newdale337$85,6251ZIPs
Parker302$93,7501ZIPs
Island Park193$91,2501ZIPs
Macks Inn1011ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Fremont County

Review the most populated postal areas across Fremont County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
83445Saint Anthony$68,0127,411
83420Ashton$69,2862,445
83451Teton$67,946987
83429Island Park$78,565980
83436Newdale$80,000541
83421Chester349
83433Macks Inn$94,250101
83438Parker$145,71493

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