County ZIP codes · Indiana · FIPS 18149

Starke County, IN ZIP Codes

Starke County, Indiana has 10 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 5 of the residential ones lie mainly in Starke County and 5 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $45,625 in 46960 (Monterey) to $84,866 in 46532 (Hamlet) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Starke County?

The residential ZIP codes of Starke 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?

46960 · $46k 46532 · $85k

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $58,293 and $73,293.

They carry 10 postal town names.

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

All 10 residential ZIP codes in Starke County

5 ZIP codes lie mainly in Starke County; 5 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Starke County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
46534	Knox	10,811	90	$63k	$169k	100%
46366	North Judson	5,601	70	$60k	$137k	85%
46532	Hamlet	1,921	37	$85k	$145k	59%
46531	Grovertown	1,825	86	$58k	$142k	99%
46374	San Pierre	1,290	37	$91k	$227k	72%

Partly in Starke County

Residential ZIP codes mainly in another county that reach at least 1% into Starke County, by their share here
						In this county
46968	Ora	96	84	–	$71k	41%
46960	Monterey	1,018	25	$46k	$151k	36%
46511	Culver	3,755	56	$58k	$234k	23%
46574	Walkerton	7,426	76	$76k	$188k	13%
46563	Plymouth	23,615	154	$73k	$201k	1%

Download the 10 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?

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

Share of each ZIP code's land in Starke County and in the neighboring counties
ZIP	In Starke	Elsewhere
46563	1%	Marshall County 99%
46574	13%	LaPorte County 33%; St. Joseph County 30%; Marshall County 25%
46366	85%	Pulaski County 15%
46511	23%	Marshall County 65%; Fulton County 12%
46532	59%	LaPorte County 41%
46531	99%	Marshall County 1%
46374	72%	Jasper County 15%; Pulaski County 13%
46960	36%	Pulaski County 61%; Fulton County 4%
46968	41%	Pulaski County 59%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Starke County's ZIP codes use 3 prefixes: 463, 465 and 469.

Three-digit prefixes of Starke 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 Starke County's
Prefix	Sectional center	Here	All codes
463	Gary, IN (SCF 463)	2	53
465	South Bend, IN (SCF 465)	6	52
469	Indianapolis, IN (SCF 460)	2	71

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