453,022 people (2024 Census estimate, −0.6% since 2020)
456 square miles of land · 995 people per square mile
“Highest” and “lowest” are just order, not grades: a high rank for poverty or hazard losses means more of it. Each figure's source is in its section below.
5 active community water systems list East Baton Rouge Parish in the area they serve, reporting 643,102 people served in all (a system that crosses county lines counts its whole population).
| BATON ROUGE WATER COMPANY groundwater · private · LA1033005 | 596,844 served |
| CITY OF ZACHARY WATER SYSTEM groundwater · local government · LA1033030 | 31,569 served |
| CITY OF BAKER WATER SYSTEM groundwater · local government · LA1033003 | 13,855 served |
| AUDUBON PARK APARTMENTS WATER SYSTEM groundwater · private · LA1033133 | 534 served |
| J E S T C groundwater · state · LA1033132 | 300 served |
Source: U.S. EPA Safe Drinking Water Information System (SDWIS), active community systems, . Look up any system's violations and test results with EPA's search using its ID.
About 956 people were held in East Baton Rouge Parish's jail, in Vera's latest figure (2023), or 325 per 100,000 residents ages 15–64. In 2018 it was about 1,395.
Source: Vera Institute of Justice, Incarceration Trends (built from federal Bureau of Justice Statistics jail surveys). Counties without their own jail, or that share one, may show no figure.
5 school districts have their office in East Baton Rouge Parish. School taxes are usually the largest part of a property tax bill.
Spent $756.8 million — $669.1 million to run schools, about $15,471 per student, plus $31.5 million on buildings and equipment. Money in: $478.1 million local (mostly property tax), $207.6 million state, $188.4 million federal. Long-term debt: $11.1 million.
Spent $79.7 million — $75.7 million to run schools, about $12,935 per student, plus $1.5 million on buildings and equipment. Money in: $38.3 million local (mostly property tax), $37.3 million state, $8.9 million federal. Long-term debt: $56.2 million.
Spent $82.7 million — $62.3 million to run schools, about $12,540 per student, plus $17.3 million on buildings and equipment. Money in: $31.4 million local (mostly property tax), $35.4 million state, $7.7 million federal. Long-term debt: $66 million.
Spent $28.2 million — $17.4 million to run schools, about $15,684 per student, plus $7.6 million on buildings and equipment. Money in: $8 million local (mostly property tax), $7.7 million state, $12.8 million federal. Long-term debt: $8.2 million.
Spent $17 million — $16.5 million to run schools, about $16,343 per student, plus $568,000 on buildings and equipment. Money in: $6 million local (mostly property tax), $5.9 million state, $6.2 million federal.
Source: U.S. Census Bureau, 2023 Annual Survey of School System Finances. Districts are listed by the county of their main office; some serve neighboring counties too.
Source: County Health Rankings & Roadmaps 2025 (University of Wisconsin Population Health Institute), which gathers federal data (CDC, Census, and others); measures cover different recent years. Blank lines aren't reported for small counties.
Overall risk: Relatively High compared with other U.S. counties. FEMA estimates natural hazards cost East Baton Rouge Parish about $266.6 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
549 bridges in East Baton Rouge Parish: 230 in good condition, 216 fair, and 103 poor (18.8%). “Poor” means a main part — the deck, the beams, or the supports — is rated 4 or lower on the federal 0–9 scale. It doesn't mean unsafe to drive; unsafe bridges are closed.
| US0190 over CREEK · built 1960 | 44,391 vehicles a day |
| US0061 over LA 73 NORTH · built 1953 | 29,303 vehicles a day |
| US0190 over US 61-SCENIC · built 1940 | 26,376 vehicles a day |
| LA0037 over US 61 · built 1968 | 19,515 vehicles a day |
| Plank Road over Hurricane Creek · built 1956 | 19,417 vehicles a day |
| US0190 over MISSISSIPPI RIVER · built 1939 | 18,380 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $2.2 billion of work in East Baton Rouge Parish in fiscal 2025, about $4,905 per resident — to the county, cities, schools, hospitals, nonprofits and others.
Source: USAspending.gov, grants by place of performance, fiscal 2025 (Oct. 2024 to Sept. 2025). Search it by county to see each award.
From Grants.gov: posted grants listing county governments as eligible, soonest deadline first; research-only and overseas programs left out; list updated 2026-10-13, refreshed weekly. 62 are open in all. Cities, towns, school districts and nonprofits have their own lists there.
Registration deadlines, early voting and polling places for Louisiana are on the federal site vote.gov, which links to the state's official election office.
The budget, property tax rates, audits, local officials and offices for East Baton Rouge Parish come from the county's own records, which we haven't gathered — not gathered, never hidden. See what a full county site looks like, or ask to have East Baton Rouge Parish built: brayden.ozark@gmail.com.
More of Louisiana: the state government and every county in Louisiana.
Nearby counties: West Baton Rouge Parish (14 mi) · East Feliciana Parish (21 mi) · Livingston Parish (23 mi) · Iberville Parish (25 mi) · Ascension Parish (26 mi) · St. Helena Parish (30 mi).