Skip to main content
County ProfileLA

St. Charles County

Population: 52,549 · 10 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
52,549
People
Median age
39.7
Housing
Total households
18,608
Income
Median household income
$80,897
Housing
Total housing units
20,694
Employment
Employment rate
59.8%
Education
Bachelor’s degree or higher
26.9%
Healthcare
Insured population
93%
County details
Local time 01:18:17(CT)
NameSt. Charles
Total ZIP codes10total
ZIP codes (by type)
9 Standard1 PO Box
Area code504, 985
TimezoneCentral Time (CT)
Coordinates29.9057222, -90.3578553
Land area277.7 sq miles(719.3 km²)

Map of St. Charles county, Louisiana with ZIP codes

Map of St. Charles County, Louisiana and ZIP codes

Cities and Communities in St. Charles County

Compare the largest cities in St. Charles County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Luling13,716$76,5391ZIPs
Destrehan11,340$90,5091ZIPs
Saint Rose7,504$74,0751ZIPs
Boutte3,054$68,2201ZIPs
Norco2,984$71,2201ZIPs
Hahnville2,959$100,9561ZIPs
Des Allemands2,179$88,3901ZIPs
Ama1,290$73,3591ZIPs
Paradis1,242$61,2501ZIPs
New Sarpy1,169$51,9891ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in St. Charles County

Review the most populated postal areas across St. Charles County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
70070Luling$76,53913,769
70047Destrehan$87,33312,783
70087Saint Rose$73,4067,244
70030Des Allemands$118,8674,365
70057Hahnville$90,2364,201
70079Norco$71,4332,970
70039Boutte$67,7272,800
70080Paradis$61,6371,417
70031Ama$73,3591,290
70078New Sarpy

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS