County ZIP codes · Texas · FIPS 48459

Upshur County, TX ZIP Codes

Upshur County, Texas has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 11 residential and 1 for PO boxes or a single organization. 4 of the residential ones lie mainly in Upshur County and 7 mainly in a neighboring county; 10 cross the county line. Median household income ranges from $57,438 in 75645 (Gilmer) to $80,967 in 75640 (Diana) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

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

How different are its ZIP codes?

75645 · $57k 75640 · $81k

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $59,539 and $67,942.

They carry 10 postal town names.

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

All 11 residential ZIP codes in Upshur County

4 ZIP codes lie mainly in Upshur County; 7 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Upshur County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
75644	Gilmer	12,774	68	$58k	$163k	100%
75645	Gilmer	10,400	72	$57k	$167k	98%
75755	Big Sandy	5,244	52	$73k	$110k	95%
75683	Ore City	3,413	57	$65k	$113k	83%

Partly in Upshur County

Residential ZIP codes mainly in another county that reach at least 1% into Upshur County, by their share here
						In this county
75640	Diana	6,142	71	$81k	$273k	37%
75647	Gladewater	13,299	150	$66k	$168k	25%
75686	Pittsburg	14,195	61	$60k	$171k	19%
75451	Leesburg	1,156	29	$59k	$204k	3%
75494	Winnsboro	11,470	50	$60k	$199k	3%
75604	Longview	31,924	723	$68k	$201k	2%
75765	Hawkins	8,734	84	$60k	$205k	1%

Download the 12 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?

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

Share of each ZIP code's land in Upshur County and in the neighboring counties
ZIP	In Upshur	Elsewhere
75604	2%	Gregg County 98%
75686	19%	Camp County 69%; Titus County 11%; Morris County 1%
75647	25%	Gregg County 43%; Smith County 32%
75494	3%	Wood County 69%; Franklin County 18%; Hopkins County 10%
75645	98%	Gregg County 2%
75765	1%	Wood County 99%
75640	37%	Harrison County 60%; Marion County 3%
75755	95%	Wood County 5%
75683	83%	Marion County 17%
75451	3%	Camp County 88%; Wood County 9%

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

PO Box and single-organization ZIP codes

ZIP codes in Upshur County without a residential area (GeoNames postal codes)
ZIP	Postal name
75797	Big Sandy

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Upshur County's ZIP codes use 3 prefixes: 754, 756 and 757.

Three-digit prefixes of Upshur 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 Upshur County's
Prefix	Sectional center	Here	All codes
754	North Texas, TX (SCF 750)	2	84
756	Shreveport, LA (SCF 710)	7	57
757	Dallas, TX (SCF 752)	3	47

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

Where are the ZIP codes of Upshur County?