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City ZIP codes · Louisiana

Denham Springs, LA ZIP Codes

3 ZIP codes use the postal name Denham Springs, Louisiana (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $78,621 in 70726 to $91,070 in 70706 (Census Bureau, ACS 2020-2024). Denham Springs's most populous ZIP code is 70726, with 63,575 people (ACS 2020-2024); 8% of its land is in the city of Denham Springs.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Denham Springs's ZIP codes?

70706: $91k median household income70726: $79k median household income707267070670706: $91k median household income70726: $79k median household income707267070670706: $91k median household income70726: $79k median household income7072670706
The 2 residential ZIP codes named Denham Springs, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$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 Denham Springs's ZIP codes?

The highest median household income is in 70706 ($91,070), the lowest in 70726 ($78,621). Home values run from $228,200 in 70726 to $252,800 in 70706.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of Denham Springs

Residential ZIP codes with the postal name Denham Springs, LA, largest first (ACS 2020-2024); sort by any column
County
70726 Livingston Parish 63,575 721 $79k $228k
70706 Livingston Parish 21,833 413 $91k $253k

Download the 3 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Denham Springs

1 ZIP code named Denham Springs has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Denham Springs, LA: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
70727Livingston Parish

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Denham Springs's ZIP codes reach?

Denham Springs's residential ZIP codes lie in 2 counties: Livingston Parish (2 ZIP codes mainly there), St. Helena Parish (part of a ZIP code).

Which places do Denham Springs's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Denham Springs's residential ZIP codes cover Denham Springs itself and 2 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

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

Which first three digits do Denham Springs's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Denham Springs starts with 707.

Three-digit prefixes of Denham Springs'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 Denham Springs's
PrefixSectional centerHereAll codes
707 Baton Rouge, LA (SCF 707) 3 67

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