45,090 people (2024 Census estimate, −0.6% since 2020)
670 square miles of land · 67 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.
14 active community water systems list Washington Parish in the area they serve, reporting 32,885 people served in all (a system that crosses county lines counts its whole population).
| CITY OF BOGALUSA WATER SYSTEM groundwater · local government · LA1117001 | 14,000 served |
| VARNADO WATER WORKS groundwater · local government · LA1117006 | 4,230 served |
| BOGUE-LUSA WATER WORKS DISTRICT groundwater · local government · LA1117009 | 4,200 served |
| TOWN OF FRANKLINTON WATER SYSTEM groundwater · local government · LA1117002 | 4,150 served |
| RURAL FRANKLINTON WATER groundwater · local government · LA1117003 | 3,450 served |
| MOUNT HERMON WATER DISTRICT groundwater · local government · LA1117021 | 1,107 served |
| VARNADO WATER WORKS - PINE groundwater · local government · LA1117025 | 840 served |
| VILLAGE OF ANGIE WATER SUPPLY groundwater · local government · LA1117008 | 400 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 25 people were held in Washington Parish's jail, in Vera's latest figure (2023), or 91 per 100,000 residents ages 15–64. In 2018 it was about 43.
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.
2 school districts have their office in Washington Parish. School taxes are usually the largest part of a property tax bill.
Spent $69.6 million — $67.6 million to run schools, about $13,463 per student, plus $1.5 million on buildings and equipment. Money in: $15.3 million local (mostly property tax), $39.8 million state, $16 million federal. Long-term debt: $1.2 million.
Spent $40.5 million — $37.6 million to run schools, about $21,068 per student, plus $2.6 million on buildings and equipment. Money in: $12.1 million local (mostly property tax), $14.7 million state, $13.4 million federal. Long-term debt: $6 million.
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 Moderate compared with other U.S. counties. FEMA estimates natural hazards cost Washington Parish about $34.8 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Very High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
285 bridges in Washington Parish: 124 in good condition, 132 fair, and 29 poor (10.2%). “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.
| Penton road over MILE BR. · built 1970 | 3,200 vehicles a day |
| Ball Town Rd over ARD CREEK · built 1960 | 1,680 vehicles a day |
| Mitch Rd over PETERS CREEK · built 1970 | 1,420 vehicles a day |
| LA0436 over DRAIN · built 1958 | 1,306 vehicles a day |
| LA0440 over DRAIN · built 1993 | 1,262 vehicles a day |
| LA0062 over DRAIN · built 1959 | 1,205 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $-246,940 of work in Washington Parish in fiscal 2025, about $-5 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 Washington 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 Washington Parish built: brayden.ozark@gmail.com.
More of Louisiana: the state government and every county in Louisiana.
Nearby counties: Walthall County, MS (22 mi) · Tangipahoa Parish (27 mi) · Pearl River County, MS (28 mi) · Marion County, MS (29 mi) · Pike County, MS (31 mi) · St. Tammany Parish (31 mi).