Louisiana County Maps
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Louisiana has 64 counties, a population of more than 4 million people, about 539 zip codes and 70 public school districts. Those counties vary widely in population, school enrollment, zip code coverage and local boundary structure. East Baton Rouge County has the largest population in the state, while Tensas County has the smallest. Browse the map, population, zip codes, school districts, county subdivisions and county list sections below to explore further. Or, simply start typing in the box below to go directly to that county.
Interactive Louisiana County Map
This Louisiana county map preview highlights population-by-county context, ZIP code coverage, school districts, and local boundary structure. Full statewide and county-level data packages are available when you need complete downloadable datasets. Click or tap any county to view its maps, trends and data.
Start with a free preview, or go straight to the full Louisiana dataset .
Louisiana Population By County
Louisiana's population was over 4 million in 2020, up 84,217 (2.01%) residents from 2010. East Baton Rouge County had the largest population in the state with 456,781 people. Jefferson and St. Tammany Counties also stand out as major population centers. Tensas County was the least populated area in Louisiana with only 4,147 residents. The table below compares Louisiana county populations and recent population trends.
The Most Populated Counties In Louisiana
| County | Population | Trend (2010-2020) |
|---|---|---|
| East Baton Rouge County | 456,781 | ▴ 3.77% |
| Jefferson County | 440,781 | ▴ 1.90% |
| St. Tammany County | 264,570 | ▴ 13.19% |
| Lafayette County | 241,753 | ▴ 9.11% |
| Caddo County | 237,848 | ▾ 6.71% |
| Download all county population data | ||
County populations reflect the latest state serving context (2020).
Louisiana County Map With ZIP Codes
Louisiana has about 539 zip codes statewide. East Baton Rouge County contains the most zip codes, with 25. County-level zip code maps give a faster and clearer way to understand local coverage as zip boundaries can span county and municipal lines. The maps below highlight a few Louisiana counties.
Louisiana School Districts By County
Louisiana has 70 public school districts with 589,238 students enrolled as of 2024. East Baton Rouge County stands out for both district count and total enrollment. Orleans County posted the largest recent enrollment gain. The table below compares county level school district totals and recent enrollment trends across the state.
Largest School Districts in Louisiana
| County | Districts | Enrollment | Trend |
|---|---|---|---|
| East Baton Rouge County | 4 | 50,394 | ▾ 7.13% |
| Ouachita County | 2 | 25,468 | ▾ 6.85% |
| Washington County | 2 | 6,326 | ▾ 3.86% |
| St. James County | 2 | 5,895 | ▾ 7.36% |
| Jefferson County | 1 | 46,790 | ▾ 7.29% |
| Download all school district data | |||
School district enrollment and trend values reflect the most recent state-level context (2024).
Louisiana County Map With County Subdivisions
Louisiana has about 576 county subdivisions statewide. These boundaries add another layer of local detail and help show how subdivision lines fit inside county boundaries. The previews below highlight a few counties with available subdivision map coverage.
Get the Full Louisiana Data Package
The sections above provide a preview of Louisiana county maps and county-level data. The full package includes complete statewide coverage with ready-to-use files for mapping, planning, and analysis.
Everything is organized to save hours of data collection, cleanup, and integration work.
- County map exports and boundary coverage for every county in Louisiana
- Statewide GIS layers for ZIP codes, subdivisions, school districts, roads, water, and political boundaries
- Population, demographics, school, housing, and trend context aligned across counties
- Database files, map-ready exports, and documentation designed for faster research workflows
Includes GIS layers, maps, demographics, analytics, database files and planning tools.