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County ZIP codes · Arkansas · FIPS 05001

Arkansas County, AR ZIP Codes

Arkansas County, Arkansas has 13 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 10 of the residential ones lie mainly in Arkansas County and 3 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $50,403 in 72160 (Stuttgart) to $55,679 in 72042 (De Witt) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Arkansas County?

72003 · Almyra: $78k72004 · Altheimer: $44k72026 · Casscoe: $27k72038 · Crocketts Bluff: $64k72042 · De Witt: $56k72048 · Ethel: –72055 · Gillett: $68k72073 · Humphrey: $49k72134 · Roe: $108k72140 · Saint Charles: $50k72160 · Stuttgart: $50k72166 · Tichnor: $85k72175 · Wabbaseka: $38k7216072004720427216672073720037205572048721347203872175720267214072003 · Almyra: $78k72004 · Altheimer: $44k72026 · Casscoe: $27k72038 · Crocketts Bluff: $64k72042 · De Witt: $56k72048 · Ethel: –72055 · Gillett: $68k72073 · Humphrey: $49k72134 · Roe: $108k72140 · Saint Charles: $50k72160 · Stuttgart: $50k72166 · Tichnor: $85k72175 · Wabbaseka: $38k72160720047204272166720737200372055720487213472038720267214072003 · Almyra: $78k72004 · Altheimer: $44k72026 · Casscoe: $27k72038 · Crocketts Bluff: $64k72042 · De Witt: $56k72048 · Ethel: –72055 · Gillett: $68k72073 · Humphrey: $49k72134 · Roe: $108k72140 · Saint Charles: $50k72160 · Stuttgart: $50k72166 · Tichnor: $85k72175 · Wabbaseka: $38k7216072004720427216672073720037205572048721347203872140
The residential ZIP codes of Arkansas 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 13 postal town names.

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

All 13 residential ZIP codes in Arkansas County

10 ZIP codes lie mainly in Arkansas County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Arkansas County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
72160 Stuttgart 9,071 28 $50k $154k 60%
72042 De Witt 4,993 21 $56k $128k 100%
72073 Humphrey 826 7 $49k $99k 91%
72003 Almyra 623 6 $78k $157k 100%
72055 Gillett 472 5 $68k $100k 100%
72140 Saint Charles 321 23 $50k $121k 100%
72166 Tichnor 264 3 $85k $81k 100%
72026 Casscoe 201 8 $27k $118k 100%
72038 Crocketts Bluff 76 3 $64k $180k 100%
72048 Ethel 59 1 – $269k 100%

Partly in Arkansas County

Residential ZIP codes mainly in another county that reach at least 1% into Arkansas County, by their share here
In this county
72134 Roe 355 8 $108k $211k 9%
72175 Wabbaseka 396 9 $38k $62k 4%
72004 Altheimer 661 4 $44k $73k 2%

Download the 13 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?

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

Share of each ZIP code's land in Arkansas County and in the neighboring counties
ZIPIn ArkansasElsewhere
7216060%Prairie County29%; Jefferson County11%
7207391%Jefferson County9%
720042%Jefferson County98%
721754%Jefferson County96%
721349%Monroe County91%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Arkansas County's ZIP codes use 2 prefixes: 720 and 721.

Three-digit prefixes of Arkansas 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 Arkansas County's
PrefixSectional centerHereAll codes
720Little Rock, AR (SCF 720)881
721Little Rock, AR (SCF 720)568

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