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County ZIP codes · Texas · FIPS 48397

Rockwall County, TX ZIP Codes

Rockwall County, Texas has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 4 of the residential ones lie mainly in Rockwall County and 4 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $103,673 in 75126 (Forney) to $135,742 in 75032 (Rockwall) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Rockwall County?

75032 · Rockwall: $136k75087 · Rockwall: $130k75088 · Rowlett: $105k75089 · Rowlett: $118k75098 · Wylie: $122k75126 · Forney: $104k75132 · Fate: –75189 · Royse City: $117k7518975126750327509875087750887508975032 · Rockwall: $136k75087 · Rockwall: $130k75088 · Rowlett: $105k75089 · Rowlett: $118k75098 · Wylie: $122k75126 · Forney: $104k75132 · Fate: –75189 · Royse City: $117k7518975126750327509875087750887508975032 · Rockwall: $136k75087 · Rockwall: $130k75088 · Rowlett: $105k75089 · Rowlett: $118k75098 · Wylie: $122k75126 · Forney: $104k75132 · Fate: –75189 · Royse City: $117k75189751267503275098750877508875089
The residential ZIP codes of Rockwall 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?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $105,313 and $122,089.

They carry 6 postal town names: Forney, Wylie, Royse City, Rockwall, Rowlett, Fate.

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

All 8 residential ZIP codes in Rockwall County

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

Residential ZIP codes mainly in Rockwall County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
75189 Royse City 48,739 444 $117k $357k 42%
75087 Rockwall 44,326 1,505 $130k $435k 94%
75032 Rockwall 39,865 828 $136k $491k 100%
75132 Fate no residents 0 – – 100%

Partly in Rockwall County

Residential ZIP codes mainly in another county that reach at least 1% into Rockwall County, by their share here
In this county
75088 Rowlett 28,075 3,027 $105k $358k 13%
75089 Rowlett 35,619 2,942 $118k $382k 4%
75098 Wylie 69,325 2,166 $122k $402k 3%
75126 Forney 84,799 1,040 $104k $361k 3%

Download the 8 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?

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

Share of each ZIP code's land in Rockwall County and in the neighboring counties
ZIPIn RockwallElsewhere
751263%Kaufman County 97%
750983%Collin County 87%; Dallas County 10%
7518942%Hunt County 38%; Collin County 19%
7508794%Collin County 6%
750894%Dallas County 96%
7508813%Dallas County 87%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Rockwall County's ZIP codes use 2 prefixes: 750 and 751.

Three-digit prefixes of Rockwall 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 Rockwall County's
PrefixSectional centerHereAll codes
750 North Texas, TX (SCF 750) 5 84
751 Dallas, TX (SCF 752) 3 62

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