County ProfileLA
St. John the Baptist County
Population: 42,477 · 6 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
42,477
People
Median age
40.1
Housing
Total households
15,152
Income
Median household income
$66,630
Housing
Total housing units
17,822
Employment
Employment rate
53.5%
Education
Bachelor’s degree or higher
18.2%
Healthcare
Insured population
93.3%
County details
Local time 02:22:08(CT)| Name | St. John the Baptist |
|---|---|
| Total ZIP codes | 6total |
| ZIP codes (by type) | 5 Standard1 PO Box |
| Area code | 985 |
| Timezone | Central Time (CT) |
| Coordinates | 30.1440682, -90.4909596 |
| Land area | 214.5 sq miles(555.5 km²) |
Map of St. John the Baptist county, Louisiana with ZIP codes
Cities and Communities in St. John the Baptist County
Compare the largest cities in St. John the Baptist County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| La Place | 33,213 | — | 2ZIPs |
| Reserve | 8,541 | $55,450 | 1ZIPs |
| Garyville | 2,123 | $88,060 | 1ZIPs |
| Edgard | 1,948 | $68,953 | 1ZIPs |
| Mount Airy | 276 | — | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in St. John the Baptist County
Review the most populated postal areas across St. John the Baptist County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
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