8,398 people (2024 Census estimate, −2.2% since 2020)
570 square miles of land · 15 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.
16 active community water systems list Wilson County in the area they serve, reporting 8,803 people served in all (a system that crosses county lines counts its whole population).
| NEODESHA, CITY OF surface water · local government · KS2020502 | 2,246 served |
| FREDONIA, CITY OF buys surface water · local government · KS2020513 | 2,111 served |
| WILSON CO RWD 11 buys surface water · local government · KS2020519 | 836 served |
| WILSON CO RWD 10 buys surface water · local government · KS2020510 | 808 served |
| WILSON CO RWD 7 buys surface water · local government · KS2020516 | 585 served |
| WILSON CO RWD 9 buys surface water · local government · KS2020506 | 447 served |
| ALTOONA, CITY OF buys surface water · local government · KS2020508 | 349 served |
| WILSON CO RWD 1 buys surface water · local government · KS2020515 | 307 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 65 people were held in Wilson County's jail, in Vera's latest figure (2019), or 1,268 per 100,000 residents ages 15–64. In 2014 it was about 51.
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.
3 school districts have their office in Wilson County. School taxes are usually the largest part of a property tax bill.
Spent $13.1 million — $12 million to run schools, about $15,429 per student, plus $942,000 on buildings and equipment. Money in: $1.8 million local (mostly property tax), $9.3 million state, $1.8 million federal. Long-term debt: $4 million.
Spent $11.8 million — $9.7 million to run schools, about $14,748 per student, plus $2 million on buildings and equipment. Money in: $2 million local (mostly property tax), $8.1 million state, $1.6 million federal. Long-term debt: $2.1 million.
Spent $3.7 million — $3.3 million to run schools, about $22,662 per student, plus $451,000 on buildings and equipment. Money in: $1 million local (mostly property tax), $2.3 million state, $586,000 federal.
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 Wilson County about $8 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
205 bridges in Wilson County: 70 in good condition, 110 fair, and 25 poor (12.2%). “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.
| Reno Rd RS 815 over DRY CREEK · built 1975 | 120 vehicles a day |
| Reno Rd over BIG CEDAR CREEK · built 1925 | 60 vehicles a day |
| 1200 Rd over TRIB. TO FALL RIVER · built 1940 | 50 vehicles a day |
| JEFFERSON ST. over SALT CREEK · built 1925 | 50 vehicles a day |
| 1050 Road over WILSON CREEK · built 1950 | 48 vehicles a day |
| 700 Road over PLUM CREEK · built 1920 | 40 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $9 million of work in Wilson County in fiscal 2025, about $1,038 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 Kansas 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 Wilson 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 Wilson County built: brayden.ozark@gmail.com.
More of Kansas: the state government and every county in Kansas.
Nearby counties: Woodson County (23 mi) · Neosho County (23 mi) · Montgomery County (25 mi) · Elk County (28 mi) · Allen County (33 mi) · Greenwood County (35 mi).