16,774 people (2024 Census estimate, −1.8% since 2020)
502 square miles of land · 33 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 Chickasaw County in the area they serve, reporting 19,793 people served in all (a system that crosses county lines counts its whole population).
| CITY OF HOUSTON groundwater · local government · MS0090005 | 3,772 served |
| CITY OF OKOLONA groundwater · local government · MS0090007 | 2,800 served |
| SPARTA WATER ASSOCIATION #1 groundwater · public/private · MS0090010 | 2,532 served |
| SOUTHEAST CHICKASAW W/A #1 groundwater · public/private · MS0090008 | 1,969 served |
| THORN WATER ASSOCIATION groundwater · public/private · MS0090024 | 1,756 served |
| HOULKA-HOUSTON W/A groundwater · public/private · MS0090004 | 1,668 served |
| TOWN OF NEW HOULKA groundwater · local government · MS0090003 | 1,515 served |
| EAST CHICKASAW W/A #1 groundwater · public/private · MS0090002 | 1,463 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 344 people were held in Chickasaw County's jail, in Vera's latest figure (2023), or 3,363 per 100,000 residents ages 15–64. In 2018 it was about 341.
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 Chickasaw County. School taxes are usually the largest part of a property tax bill.
Spent $26.1 million — $24.8 million to run schools, about $11,195 per student, plus $1.3 million on buildings and equipment. Money in: $5.1 million local (mostly property tax), $15.7 million state, $5.3 million federal. Long-term debt: $766,000.
Spent $9.2 million — $7.8 million to run schools, about $15,278 per student, plus $1.3 million on buildings and equipment. Money in: $1.7 million local (mostly property tax), $4.2 million state, $3.3 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: Relatively Low compared with other U.S. counties. FEMA estimates natural hazards cost Chickasaw County about $9.6 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.
247 bridges in Chickasaw County: 135 in good condition, 94 fair, and 18 poor (7.3%). “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.
| SR 245 over MATUBBY CREEK · built 1934 | 1,700 vehicles a day |
| NATCHEZ TRACE PARK over STREAM · built 1962 | 1,300 vehicles a day |
| SR 245 over TALLABINNELA CREEK TRIB · built 1934 | 1,100 vehicles a day |
| SR 245 over TALLABINNELA CREEK · built 1934 | 1,100 vehicles a day |
| SR 245 over TALLABINNELA RELIEF · built 1934 | 1,100 vehicles a day |
| PITTSBORO/H.THORN over CHICO CREEK · built 1972 | 980 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $-24,637 of work in Chickasaw County in fiscal 2025, about $-1 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 Mississippi 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 Chickasaw 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 Chickasaw County built: brayden.ozark@gmail.com.
More of Mississippi: the state government and every county in Mississippi.
Nearby counties: Pontotoc County (21 mi) · Clay County (21 mi) · Calhoun County (22 mi) · Monroe County (27 mi) · Lee County (29 mi) · Webster County (29 mi).