Zip Code 70390 — Napoleonville, LA

ZIP Code 70390 is associated with Napoleonville, LA, in Assumption County. The listed population estimate is 7,160; estimated density is 18.7 people per square mile. Among records with population estimates, it ranks #1 of 5 in Assumption County and #185 of 524 in LA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (29.890680, -91.036160)

Data MetricLocal Statistic
Postal / Zip Code70390
Primary CityNapoleonville
State / ProvinceLA
CountyAssumption
Total Population7,160
Population Density18.7 people/sq mi
TimezoneAmerica/Chicago

How 70390 Compares

MetricZIP 70390Assumption County recordsLA records
Population estimate7,16017,783 (sum)4,611,457 (sum)
Population Density18.7 /sq mi----
County population rank#1 of 5----
State population rank#185 of 524----

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

Explore More ZIP Codes

Nearby ZIP Codes in LA

ZIP CodeCityDistancePopulation estimate
ZIP 70391Paincourtville7.4 miN/A
ZIP 70393Plattenville7.6 mi117
ZIP 70372Labadieville8.0 mi1,968
ZIP 70339Pierre Part9.2 mi4,848
ZIP 70341Belle Rose9.7 mi3,690

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 →