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County ZIP codes · Arkansas · FIPS 05095

Monroe County, AR ZIP Codes

Monroe County, Arkansas has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 5 of the residential ones lie mainly in Monroe County and 4 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $35,515 in 72029 (Clarendon) to $66,719 in 72368 (Moro) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Monroe County?

72021 · Brinkley: $41k72029 · Clarendon: $36k72036 · Cotton Plant: $13k72069 · Holly Grove: $40k72108 · Monroe: –72134 · Roe: $108k72366 · Marvell: $45k72368 · Moro: $67k72392 · Wheatley: $67k720697202172368723667202972036721347239272021 · Brinkley: $41k72029 · Clarendon: $36k72036 · Cotton Plant: $13k72069 · Holly Grove: $40k72108 · Monroe: –72134 · Roe: $108k72366 · Marvell: $45k72368 · Moro: $67k72392 · Wheatley: $67k720697202172368723667202972036721347239272021 · Brinkley: $41k72029 · Clarendon: $36k72036 · Cotton Plant: $13k72069 · Holly Grove: $40k72108 · Monroe: –72134 · Roe: $108k72366 · Marvell: $45k72368 · Moro: $67k72392 · Wheatley: $67k72069720217236872366720297203672134
The residential ZIP codes of Monroe 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?

They carry 9 postal town names.

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

All 9 residential ZIP codes in Monroe County

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

Residential ZIP codes mainly in Monroe County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
72021 Brinkley 3,491 18 $41k $94k 88%
72029 Clarendon 1,918 21 $36k $67k 100%
72069 Holly Grove 815 3 $40k $77k 92%
72134 Roe 355 8 $108k $211k 91%
72108 Monroe no residents 0 – – 100%

Partly in Monroe County

Residential ZIP codes mainly in another county that reach at least 1% into Monroe County, by their share here
In this county
72036 Cotton Plant 598 5 $13k $47k 19%
72368 Moro 1,212 8 $67k $110k 14%
72392 Wheatley 422 10 $67k $169k 4%
72366 Marvell 1,893 15 $45k $72k 4%

Download the 9 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?

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

Share of each ZIP code's land in Monroe County and in the neighboring counties
ZIPIn MonroeElsewhere
7202188%Woodruff County 10%; St. Francis County 2%
723664%Phillips County 94%; Lee County 3%
7236814%Lee County 86%
7206992%Phillips County 8%
7203619%Woodruff County 81%
723924%St. Francis County 88%; Woodruff County 8%
7213491%Arkansas County 9%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Monroe County's ZIP codes use 3 prefixes: 720, 721 and 723.

Three-digit prefixes of Monroe 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 Monroe County's
PrefixSectional centerHereAll codes
720 Little Rock, AR (SCF 720) 4 81
721 Little Rock, AR (SCF 720) 2 68
723 Memphis, TN (SCF 380) 3 65

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