14,702 people (2024 Census estimate, −0.9% since 2020)
625 square miles of land · 24 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.
12 active community water systems list LaSalle Parish in the area they serve, reporting 19,338 people served in all (a system that crosses county lines counts its whole population).
| TOWN OF JENA WATER SYSTEM groundwater · local government · LA1059003 | 3,614 served |
| LASALLE WATERWORKS DISTRICT 1 groundwater · local government · LA1059002 | 3,240 served |
| TOWN OF OLLA WATER SYSTEM groundwater · local government · LA1059004 | 2,565 served |
| NEBO WATER SYSTEM INC groundwater · private · LA1059005 | 2,460 served |
| BELAH FELLOWSHIP WATER SYSTEM groundwater · private · LA1059001 | 1,806 served |
| SUMMERVILLE WATER SYSTEM groundwater · local government · LA1059009 | 1,425 served |
| EAST JENA WATER SYSTEM INC. groundwater · private · LA1059017 | 990 served |
| VILLAGE OF TULLOS WATER SYSTEM groundwater · local government · LA1059010 | 792 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 669 people were held in LaSalle Parish's jail, in Vera's latest figure (2023), or 6,834 per 100,000 residents ages 15–64. In 2018 it was about 761.
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.
1 school district has its office in LaSalle Parish. School taxes are usually the largest part of a property tax bill.
Spent $38.5 million — $37.1 million to run schools, about $14,063 per student, plus $1.3 million on buildings and equipment. Money in: $16.8 million local (mostly property tax), $18.9 million state, $5.5 million federal. Long-term debt: $2.1 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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost LaSalle Parish about $5 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
195 bridges in LaSalle Parish: 116 in good condition, 67 fair, and 12 poor (6.2%). “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.
| LA0028 over LITTLE SALINE B · built 1960 | 5,026 vehicles a day |
| US0165 over LITTLE RIVER · built 1956 | 4,700 vehicles a day |
| US0165 over CREEK · built 1948 | 3,518 vehicles a day |
| US0165 over CHICKASAW CREEK · built 1948 | 3,518 vehicles a day |
| US0084 over CASTOR CREEK · built 1962 | 1,473 vehicles a day |
| US0084 over RELIEF BRIDGE · built 1962 | 1,473 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $7.9 million of work in LaSalle Parish in fiscal 2025, about $534 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 LaSalle 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 LaSalle Parish built: brayden.ozark@gmail.com.
More of Louisiana: the state government and every county in Louisiana.
Nearby counties: Catahoula Parish (19 mi) · Grant Parish (24 mi) · Caldwell Parish (29 mi) · Winn Parish (33 mi) · Concordia Parish (35 mi) · Rapides Parish (40 mi).