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zipcodes.pro — CITY/ID/FIRTH

Firth ZIP code, Idaho

The ZIP code for Firth, ID is 83236, and its area codes are 208 and 986.

USPS city name
1 ZIP code
Population
429
Area codes
208, 986
State
Idaho

NANPA lists no telephone rate centre for Firth itself, so these are the area codes of the nearest one, Idaho Falls (17.4 miles). A town on an area-code boundary can differ from its neighbour.

Firth in numbers

About 429 people live in Firth, in 148 households. The median household income is $56,250 a year, 28% below the Idaho median of $77,800 (US: $80,734). The median owner-occupied home is valued at $235,400 (44% below the Idaho median), and median gross rent is $775 a month. The median age is 37.2; 20.7% of adults 25 and over hold a bachelor's degree or higher (31.8% across Idaho); the average commute takes 24 minutes.

Population429Firth429
Households148Firth148
Median age37.2Firth37.2Idaho37.3US 38.9
Median household income$56,250Firth$56,250Idaho$77,800US $80,734
Median home value$235,400Firth$235,400Idaho$418,600US $332,700
Median gross rent$775Firth$775Idaho$1,238US $1,413
Bachelor's degree or higher20.7%Firth20.7%Idaho31.8%US 35.7%
Mean commute24.0 minFirth24.0 minIdaho21.6 minUS 26.4 min
Population density746 / sq miFirth746 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Firth city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Firth

ZIP codes with the USPS city name Firth
ZIP City Type Population Median income Median home
83236 Firth , ID Standard 1,840 $68,214 $283,500

Map of Firth ZIP codes

83236

The ZIP codes of Firth, ID, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Firth

The nearest larger towns are Basalt (569 people, 1.1 mi), Shelley (5,092 people, 5.9 mi) and Groveland (1,422 people, 11 mi).

Towns near Firth
TownPopulationDistance
Shelley 5,092 5.9 mi
Blackfoot 12,782 11.3 mi
Idaho Falls 67,725 14.7 mi
Ammon 19,064 16.2 mi
Lincoln 4,002 18.2 mi
Iona 2,984 19.9 mi
Fort Hall 2,654 24.4 mi
Rigby 5,404 28.8 mi
Chubbuck 16,126 29.6 mi

More nearby: every ZIP code in Bingham County · Idaho ZIP codes

Cite this page

zipcodes.pro. “Firth, ID ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/id/firth

Underlying data is public domain or openly licensed — sources, vintages and licences.