County ZIP codes · Idaho · FIPS 16053

Jerome County, ID ZIP Codes

Jerome County, Idaho has 4 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Jerome County and 1 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $72,072 in 83338 (Jerome) to $79,643 in 83347 (Paul) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Jerome County?

The residential ZIP codes of Jerome County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

83338 · $72k 83347 · $80k

They carry 4 postal town names: Jerome, Paul, Hazelton, Eden.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 4 residential ZIP codes in Jerome County

3 ZIP codes lie mainly in Jerome County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Jerome County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
83338	Jerome	21,944	79	$72k	$269k	95%
83335	Hazelton	2,335	21	$61k	$251k	99%
83325	Eden	944	26	$76k	$240k	100%

Partly in Jerome County

Residential ZIP codes mainly in another county that reach at least 1% into Jerome County, by their share here
						In this county
83347	Paul	3,465	15	$80k	$297k	18%

Download the 4 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

3 ZIP codes of Jerome County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Jerome County and in the neighboring counties
ZIP	In Jerome	Elsewhere
83338	95%	Gooding County 3%; Lincoln County 1%
83347	18%	Minidoka County 45%; Lincoln County 37%
83335	99%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Jerome County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Jerome County starts with 833.

Three-digit prefixes of Jerome County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Jerome County's
Prefix	Sectional center	Here	All codes
833	Boise, ID (SCF 836)	4	39

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.