ZIP codes in Livingston Parish
19 ZIPs touch Livingston Parish, Louisiana. The blue dashed line is the county border; orange ZIPs reach into it.
19
ZIP codes
12
cross the county line
289,480
people in these ZIPs
64
counties in LA
Most people
Livingston Parish ZIP list
More counties in Louisiana
- Jefferson Davis Parish10
- Jefferson Parish30
- LaSalle Parish9
- Lafayette Parish23
- Lafourche Parish16
- Lincoln Parish9
- Madison Parish5
- Morehouse Parish8
- Natchitoches Parish24
- Orleans Parish60
- Ouachita Parish23
- Plaquemines Parish10
Questions people actually ask
How many ZIP codes are in Livingston Parish, Louisiana?
19 ZIP codes reach into Livingston Parish, including 1 PO Box or single-address ZIPs placed by the town they serve. 12 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Livingston Parish has the most people?
70726 (Denham Springs) has about 63,575 residents, the most of any ZIP touching Livingston Parish, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Livingston Parish and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Livingston Parish. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from