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County ZIP codes · Texas · FIPS 48289

Leon County, TX ZIP Codes

Leon County, Texas has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 8 residential and 1 for PO boxes or a single organization. 4 of the residential ones extend into a neighboring county. Median household income ranges from $51,935 in 75831 (Buffalo) to $69,338 in 75833 (Centerville) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Leon County?

75831 · Buffalo: $52k75833 · Centerville: $69k75846 · Jewett: $64k75850 · Leona: $131k75855 · Oakwood: $46k77855 · Flynn: –77865 · Marquez: $67k77871 · Normangee: $68k758557583375831758467787177865758507785575831 · Buffalo: $52k75833 · Centerville: $69k75846 · Jewett: $64k75850 · Leona: $131k75855 · Oakwood: $46k77855 · Flynn: –77865 · Marquez: $67k77871 · Normangee: $68k758557583375831758467787177865758507785575831 · Buffalo: $52k75833 · Centerville: $69k75846 · Jewett: $64k75850 · Leona: $131k75855 · Oakwood: $46k77855 · Flynn: –77865 · Marquez: $67k77871 · Normangee: $68k75855758337583175846778717786575850
The residential ZIP codes of Leon 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 8 postal town names: Buffalo, Centerville, Normangee, Jewett, Oakwood, Marquez, Leona, Flynn.

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

All 8 residential ZIP codes in Leon County

Residential ZIP codes mainly in Leon County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
75831 Buffalo 4,881 19 $52k $118k 70%
75833 Centerville 3,550 14 $69k $180k 100%
77871 Normangee 3,058 15 $68k $234k 61%
75846 Jewett 2,741 18 $64k $204k 81%
75855 Oakwood 2,635 9 $46k $186k 58%
77865 Marquez 1,510 10 $67k $187k 100%
75850 Leona 1,239 22 $131k $206k 100%
77855 Flynn 165 12 – – 100%

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?

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

Share of each ZIP code's land in Leon County and in the neighboring counties
ZIPIn LeonElsewhere
7583170%Freestone County 30%
7787161%Madison County 39%
7584681%Limestone County 19%
7585558%Freestone County 42%

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

PO Box and single-organization ZIP codes

ZIP codes in Leon County without a residential area (GeoNames postal codes)
ZIPPostal name
77850Concord

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Leon County's ZIP codes use 2 prefixes: 758 and 778.

Three-digit prefixes of Leon 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 Leon County's
PrefixSectional centerHereAll codes
758 Dallas, TX (SCF 752) 5 33
778 North Houston, TX (SCF 773) 4 47

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