35,545 people (2024 Census estimate, −6.9% since 2020)
979 square miles of land · 36 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.
6 active community water systems list Dallas County in the area they serve, reporting 42,510 people served in all (a system that crosses county lines counts its whole population).
| SELMA, THE WW AND SB OF THE CITY OF groundwater · local government · AL0000490 | 21,834 served |
| NORTH DALLAS COUNTY WATER AUTHORITY groundwater · local government · AL0000482 | 8,838 served |
| DALLAS COUNTY WATER & SEWER AUTHORITY groundwater · local government · AL0000463 | 4,152 served |
| WEST DALLAS WATER AUTHORITY groundwater · local government · AL0000491 | 3,747 served |
| SOUTH DALLAS WATER AUTHORITY groundwater · local government · AL0000500 | 3,504 served |
| ORRVILLE WATER DEPARTMENT, TOWN OF groundwater · local government · AL0000484 | 435 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 142 people were held in Dallas County's jail, in Vera's latest figure (2019), or 587 per 100,000 residents ages 15–64. In 2014 it was about 180.
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 Dallas County. School taxes are usually the largest part of a property tax bill.
Spent $43.1 million — $36.9 million to run schools, about $14,254 per student, plus $4.8 million on buildings and equipment. Money in: $8.6 million local (mostly property tax), $21.8 million state, $17.4 million federal. Long-term debt: $28.7 million.
Spent $53.6 million — $44.3 million to run schools, about $17,801 per student, plus $8.4 million on buildings and equipment. Money in: $7.2 million local (mostly property tax), $25.9 million state, $22.4 million federal. Long-term debt: $225,000.
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 Low compared with other U.S. counties. FEMA estimates natural hazards cost Dallas County about $18.5 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Very High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
227 bridges in Dallas County: 56 in good condition, 163 fair, and 8 poor (3.5%). “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.
| HARRISON AVENUE over BEECH CREEK · built 1953 | 1,050 vehicles a day |
| CR # 65 over FOURMILE BRANCH · built 1938 | 500 vehicles a day |
| CR # 52 over MULBERRY CREEK · built 1954 | 310 vehicles a day |
| STATE LANDS RD 88 over BRANCH OFF CHANEY CREEK · built 1983 | 50 vehicles a day |
| CR # 438 over TRIB TO CEDAR CREEK · built 1915 | 25 vehicles a day |
| CR # 424 over TRIB TO CEDAR CREEK · built 1989 | 25 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $28.2 million of work in Dallas County in fiscal 2025, about $732 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 Alabama 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 Dallas County 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 Dallas County built: brayden.ozark@gmail.com.
More of Alabama: the state government and every county in Alabama.
Nearby counties: Perry County (24 mi) · Wilcox County (26 mi) · Lowndes County (30 mi) · Autauga County (31 mi) · Marengo County (40 mi) · Hale County (41 mi).