County ZIP codes · Kentucky · FIPS 21083

Graves County, KY ZIP Codes

Graves County, Kentucky has 16 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 15 residential and 1 for PO boxes or a single organization. 11 of the residential ones lie mainly in Graves County and 4 mainly in a neighboring county; 12 cross the county line. Median household income ranges from $36,045 in 42041 (Fulton) to $76,000 in 42051 (Hickory) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

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

How different are its ZIP codes?

42041 · $36k42051 · $76k

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $48,664 and $70,067.

They carry 15 postal town names.

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

All 15 residential ZIP codes in Graves County

11 ZIP codes lie mainly in Graves County; 4 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Graves County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
42066	Mayfield	23,917	110	$49k	$146k	98%
42088	Wingo	2,497	37	$53k	$135k	80%
42051	Hickory	2,114	40	$76k	$163k	100%
42027	Boaz	1,875	41	$58k	$194k	86%
42082	Symsonia	1,803	65	$67k	$223k	55%
42039	Fancy Farm	1,694	35	$71k	$143k	34%
42079	Sedalia	1,315	24	$59k	$119k	100%
42069	Melber	1,214	50	$49k	$209k	79%
42085	Water Valley	914	32	$58k	$106k	57%
42040	Farmington	692	22	$51k	$124k	80%
42061	Lowes	59	169	–	–	100%

Partly in Graves County

Residential ZIP codes mainly in another county that reach at least 1% into Graves County, by their share here
						In this county
42041	Fulton	4,406	41	$36k	$106k	28%
42035	Cunningham	816	31	$56k	–	22%
42054	Kirksey	837	25	$59k	$160k	4%
42025	Benton	19,941	100	$70k	$172k	2%

Download the 16 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?

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

Share of each ZIP code's land in Graves County and in the neighboring counties
ZIP	In Graves	Elsewhere
42066	98%	Marshall County2%
42025	2%	Marshall County96%; Calloway County2%
42041	28%	Fulton County49%; Hickman County23%
42088	80%	Hickman County20%
42027	86%	McCracken County14%
42082	55%	Marshall County31%; McCracken County14%
42039	34%	Hickman County33%; Carlisle County33%
42069	79%	McCracken County21%
42085	57%	Hickman County43%
42054	4%	Calloway County86%; Marshall County10%
42035	22%	Carlisle County78%
42040	80%	Calloway County20%

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

PO Box and single-organization ZIP codes

ZIP codes in Graves County without a residential area (GeoNames postal codes)
ZIP	Postal name
42063	Lynnville

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Graves 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 Graves County starts with 420.

Three-digit prefixes of Graves 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 Graves County's
Prefix	Sectional center	Here	All codes
420	Evansville, IN (SCF 476)	16	52

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

Where are the ZIP codes of Graves County?