9,393 people (2024 Census estimate, −2.3% since 2020)
530 square miles of land · 18 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.
11 active community water systems list Caldwell Parish in the area they serve, reporting 16,233 people served in all (a system that crosses county lines counts its whole population).
| HEBERT WATER SYSTEM groundwater · private · LA1021006 | 3,048 served |
| EAST COLUMBIA WATER SYSTEM groundwater · private · LA1021004 | 2,829 served |
| COLUMBIA HEIGHTS WATER DISTRICT groundwater · local government · LA1021003 | 1,965 served |
| VILLAGE OF GRAYSON WATER SYSTEM groundwater · local government · LA1021005 | 1,461 served |
| KELLY WATER DISTRICT groundwater · private · LA1021008 | 1,314 served |
| HOLUM WATER SYSTEM groundwater · private · LA1021007 | 1,230 served |
| WARDS 4 & 5 WATER SYSTEM groundwater · private · LA1021010 | 1,002 served |
| VILLAGE OF COLUMBIA WATER SYSTEM groundwater · local government · LA1021002 | 945 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 569 people were held in Caldwell Parish's jail, in Vera's latest figure (2021), or 9,386 per 100,000 residents ages 15–64. In 2016 it was about 580.
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 Caldwell Parish. School taxes are usually the largest part of a property tax bill.
Spent $27.7 million — $26.5 million to run schools, about $17,637 per student, plus $1.1 million on buildings and equipment. Money in: $7.6 million local (mostly property tax), $13 million state, $7.1 million federal. Long-term debt: $5.9 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 Caldwell Parish about $3.9 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.
124 bridges in Caldwell Parish: 68 in good condition, 44 fair, and 12 poor (9.7%). “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.
| LA0126 over BRIDGE CREEK · built 1953 | 1,092 vehicles a day |
| LA0126 over BEECH CREEK · built 1970 | 570 vehicles a day |
| LA0127 over CASTOR CR RELIEF · built 1972 | 314 vehicles a day |
| LA0127 over CASTOR CREEK · built 1970 | 314 vehicles a day |
| LA0506 over CASTOR RELIEF · built 1931 | 306 vehicles a day |
| LA0506 over CASTOR CREEK RELF · built 1971 | 306 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $13.9 million of work in Caldwell Parish in fiscal 2025, about $1,444 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 Caldwell 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 Caldwell Parish built: brayden.ozark@gmail.com.
More of Louisiana: the state government and every county in Louisiana.
Nearby counties: Franklin Parish (26 mi) · Ouachita Parish (26 mi) · LaSalle Parish (29 mi) · Jackson Parish (30 mi) · Richland Parish (30 mi) · Winn Parish (33 mi).