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County ZIP codes · Texas · FIPS 48161

Freestone County, TX ZIP Codes

Freestone County, Texas has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Freestone County and 3 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $51,935 in 75831 (Buffalo) to $59,950 in 75860 (Teague) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Freestone County?

75831 · Buffalo: $52k75838 · Donie: $28k75840 · Fairfield: $58k75848 · Kirvin: $84k75855 · Oakwood: $46k75859 · Streetman: $75k75860 · Teague: $60k76667 · Mexia: $53k76693 · Wortham: $56k758557584075831758597666775860766937583875831 · Buffalo: $52k75838 · Donie: $28k75840 · Fairfield: $58k75848 · Kirvin: $84k75855 · Oakwood: $46k75859 · Streetman: $75k75860 · Teague: $60k76667 · Mexia: $53k76693 · Wortham: $56k758557584075831758597666775860766937583875831 · Buffalo: $52k75838 · Donie: $28k75840 · Fairfield: $58k75848 · Kirvin: $84k75855 · Oakwood: $46k75859 · Streetman: $75k75860 · Teague: $60k76667 · Mexia: $53k76693 · Wortham: $56k7585575840758317585976667758607669375838
The residential ZIP codes of Freestone 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 $52,541 and $58,224.

They carry 9 postal town names.

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

All 9 residential ZIP codes in Freestone County

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

Residential ZIP codes mainly in Freestone County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
75840 Fairfield 6,994 26 $58k $206k 100%
75860 Teague 6,624 37 $60k $128k 100%
75859 Streetman 2,337 18 $75k $231k 76%
76693 Wortham 2,153 18 $56k $176k 52%
75838 Donie 209 4 $28k – 89%
75848 Kirvin 64 117 $84k $85k 100%

Partly in Freestone County

Residential ZIP codes mainly in another county that reach at least 1% into Freestone County, by their share here
In this county
75855 Oakwood 2,635 9 $46k $186k 42%
75831 Buffalo 4,881 19 $52k $118k 30%
76667 Mexia 10,494 69 $53k $155k 18%

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?

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

Share of each ZIP code's land in Freestone County and in the neighboring counties
ZIPIn FreestoneElsewhere
7666718%Limestone County 82%
7583130%Leon County 70%
7585542%Leon County 58%
7585976%Navarro County 24%
7669352%Navarro County 37%; Limestone County 10%
7583889%Limestone County 11%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Freestone County's ZIP codes use 2 prefixes: 758 and 766.

Three-digit prefixes of Freestone 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 Freestone County's
PrefixSectional centerHereAll codes
758 Dallas, TX (SCF 752) 7 33
766 Fort Worth, TX (SCF 760) 2 58

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