St. John the Baptist Parish, LA Demographics
St. John the Baptist Parish, LA is the 27th most populous of 64 counties in Louisiana, with 42,477 residents across 214 square miles. That is about 198 people per square mile.
At the 2020 census
| Population | 42,477 |
|---|---|
| Land area | 214 sq mi |
| Density | 198 / sq mi |
Data: 2020 Census · American Community Survey 2024
How St. John the Baptist Parish compares to the US
We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: St. John the Baptist Parish, LA
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around St. John the Baptist Parish, LA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in St. John the Baptist Parish, LA
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 702 | 7,255 | 2.0 | 3,653 |
| Census Tract 705 | 6,414 | 9.3 | 686 |
| Census Tract 703 | 6,123 | 1.6 | 3,949 |
| Census Tract 704 | 4,305 | 1.5 | 2,820 |
| Census Tract 707 | 3,424 | 10.1 | 340 |
| Census Tract 711 | 2,951 | 64.8 | 46 |
| Census Tract 709 | 2,785 | 2.6 | 1,081 |
| Census Tract 710 | 2,594 | 3.5 | 747 |
| Census Tract 701 | 2,573 | 99.2 | 26 |
| Census Tract 706 | 2,123 | 18.0 | 118 |
| Census Tract 708 | 1,930 | 1.9 | 996 |
Related places
Other counties nearby
Nearest counties
Metro areas containing St. John the Baptist Parish
About this page
This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.
Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.