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Zip Code 70346 — Donaldsonville, LA

ZIP Code 70346 is associated with Donaldsonville, LA, in Ascension County. The listed population estimate is 9,927; estimated density is 59.0 people per square mile. Among records with population estimates, it ranks #4 of 7 in Ascension County and #150 of 524 in LA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (30.107740, -91.020610)

Data MetricLocal Statistic
Postal / Zip Code70346
Primary CityDonaldsonville
State / ProvinceLA
CountyAscension
Total Population9,927
Population Density59.0 people/sq mi
TimezoneAmerica/Chicago

How 70346 Compares

MetricZIP 70346Ascension County recordsLA records
Population estimate9,927131,228 (sum)4,611,457 (sum)
Population Density59.0 /sq mi----
County population rank#4 of 7----
State population rank#150 of 524----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

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Nearby ZIP Codes in LA

ZIP CodeCityDistancePopulation estimate
ZIP 70725Darrow3.5 mi943
ZIP 70341Belle Rose6.8 mi3,690
ZIP 70734Geismar7.0 mi9,213
ZIP 70393Plattenville7.8 mi117
ZIP 70391Paincourtville8.1 miN/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →