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County ZIP codes · Texas · FIPS 48315

Marion County, TX ZIP Codes

Marion County, Texas has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 1 of the residential ones lie mainly in Marion County and 6 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $41,495 in 75668 (Lone Star) to $80,967 in 75640 (Diana) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Marion County?

75555 · Bivins: $59k75630 · Avinger: $50k75640 · Diana: $81k75651 · Harleton: $44k75657 · Jefferson: $50k75668 · Lone Star: $42k75683 · Ore City: $65k7565775630755557564075683756517566875555 · Bivins: $59k75630 · Avinger: $50k75640 · Diana: $81k75651 · Harleton: $44k75657 · Jefferson: $50k75668 · Lone Star: $42k75683 · Ore City: $65k7565775630755557564075683756517566875555 · Bivins: $59k75630 · Avinger: $50k75640 · Diana: $81k75651 · Harleton: $44k75657 · Jefferson: $50k75668 · Lone Star: $42k75683 · Ore City: $65k75657756307555575640756837565175668
The residential ZIP codes of Marion 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 $49,466 and $58,750.

They carry 7 postal town names: Jefferson, Diana, Ore City, Avinger, Lone Star, Harleton, Bivins.

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

All 7 residential ZIP codes in Marion County

1 ZIP code lies mainly in Marion County; 6 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Marion County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
75657 Jefferson 7,503 22 $50k $113k 87%

Partly in Marion County

Residential ZIP codes mainly in another county that reach at least 1% into Marion County, by their share here
In this county
75630 Avinger 2,452 23 $50k $156k 45%
75668 Lone Star 2,094 100 $42k $82k 18%
75683 Ore City 3,413 57 $65k $113k 17%
75651 Harleton 1,871 34 $44k $163k 9%
75555 Bivins 1,630 14 $59k $112k 9%
75640 Diana 6,142 71 $81k $273k 3%

Download the 7 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?

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

Share of each ZIP code's land in Marion County and in the neighboring counties
ZIPIn MarionElsewhere
7565787%Cass County 8%; Harrison County 5%
756403%Harrison County 60%; Upshur County 37%
7568317%Upshur County 83%
7563045%Cass County 55%
7566818%Morris County 82%
756519%Harrison County 91%
755559%Cass County 91%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Marion County's ZIP codes use 2 prefixes: 755 and 756.

Three-digit prefixes of Marion 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 Marion County's
PrefixSectional centerHereAll codes
755 Shreveport, LA (SCF 710) 1 28
756 Shreveport, LA (SCF 710) 6 57

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