East Baton Rouge Parish, Louisiana

The most populous of Louisiana's 64 parishes.

ParishFIPS 22033

Within Louisiana
East Baton Rouge Parish, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Baton Rouge, the county seat, located via the 2025 Census Gazetteer.

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Population
456,180
+273 (+0.1%) since 2020
Land area
455.5
square miles. A further 3.2% of the total area is water
Population density
1,002
people per square mile, computed rather than published
County seat
Baton Rouge
Seat of county government.
Established
1810
215 years ago
Largest city
Baton Rouge city
Population 222,795.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of East Baton Rouge Parish with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of East Baton Rouge Parish, Louisiana from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where East Baton Rouge Parish ranks

Position among the 64 parishes of Louisiana, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn LouisianaNationally
Population456,1801st of 64163rd of 3,144
Land area455.5 sq mi48th of 642,252nd of 3,144
Population density1,002 per sq mi3rd of 64162nd of 3,144
Median household income$63,07122nd of 641,790th of 3,143

Full data for East Baton Rouge Parish

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population456,180Vintage 2025 Population Estimates
Population in 2020455,907Vintage 2025 Population Estimates
2020 estimates base?456,796Vintage 2025 Population Estimates
Land area455.5 sq mi2025 Gazetteer Files
Water area14.9 sq mi2025 Gazetteer Files
Total area470.4 sq mi2025 Gazetteer Files
Population density?1,002 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$63,071American Community Survey 2020-2024 5-Year Estimates
Median home value$248,800American Community Survey 2020-2024 5-Year Estimates
Median age34.1American Community Survey 2020-2024 5-Year Estimates
Households177,295American Community Survey 2020-2024 5-Year Estimates
Housing units206,591American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
+832
4,962 births, 4,130 deaths
Net migration
+1,154
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering East Baton Rouge Parish

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Livingston ParishLouisiana44 mi155,036
West Baton Rouge ParishLouisiana39 mi28,756
East Feliciana ParishLouisiana29 mi18,911
St. Helena ParishLouisiana11 mi10,758
Ascension ParishLouisiana10 mi135,105
Iberville ParishLouisiana8.5 mi29,579

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 64 parishes of Louisiana

Open the interactive Louisiana county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.