Zip Code 83450 — Terreton, ID

ZIP Code 83450 is associated with Terreton, ID, in Jefferson County. The listed population estimate is 1,207; estimated density is 3.6 people per square mile. Among records with population estimates, it ranks #4 of 7 in Jefferson County and #150 of 276 in ID.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.846300, -112.413560)

Data MetricLocal Statistic
Postal / Zip Code83450
Primary CityTerreton
State / ProvinceID
CountyJefferson
Total Population1,207
Population Density3.6 people/sq mi
TimezoneAmerica/Boise

How 83450 Compares

MetricZIP 83450Jefferson County recordsID records
Population estimate1,20732,160 (sum)1,933,906 (sum)
Population Density3.6 /sq mi----
County population rank#4 of 7----
State population rank#150 of 276----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in ID

ZIP CodeCityDistancePopulation estimate
ZIP 83425Hamer11.4 mi622
ZIP 83435Monteview12.7 mi600
ZIP 83444Roberts13.3 mi1,261
ZIP 83434Menan21.2 mi1,816
ZIP 83431Lewisville22.0 mi1,045

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →