69,158 people (2024 Census estimate, +2.6% since 2020)
1,430 square miles of land · 48 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.
21 active community water systems list Butler County in the area they serve, reporting 48,500 people served in all (a system that crosses county lines counts its whole population).
| EL DORADO, CITY OF surface water · local government · KS2001511 | 12,810 served |
| AUGUSTA, CITY OF surface water · local government · KS2001503 | 9,267 served |
| BUTLER CO RWD 5 buys surface water · local government · KS2001526 | 6,457 served |
| ROSE HILL, CITY OF buys surface water · local government · KS2001520 | 4,269 served |
| BUTLER CO RWD 6 buys surface water · local government · KS2001530 | 2,655 served |
| BUTLER CO RWD 4 buys surface water · local government · KS2001506 | 1,565 served |
| DOUGLASS, CITY OF buys surface water · local government · KS2001510 | 1,551 served |
| BUTLER CO RWD 2 buys surface water · local government · KS2001505 | 1,534 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 202 people were held in Butler County's jail, in Vera's latest figure (2019), or 469 per 100,000 residents ages 15–64. In 2014 it was about 209.
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.
9 school districts have their office in Butler County. School taxes are usually the largest part of a property tax bill.
Spent $84.7 million — $69.6 million to run schools, about $7,745 per student, plus $9.5 million on buildings and equipment. Money in: $32.6 million local (mostly property tax), $56.9 million state, $3.3 million federal. Long-term debt: $173.8 million.
Spent $28.6 million — $24 million to run schools, about $11,274 per student, plus $1.8 million on buildings and equipment. Money in: $10 million local (mostly property tax), $19.2 million state, $3.3 million federal. Long-term debt: $74.2 million.
Spent $26.2 million — $22.7 million to run schools, about $11,006 per student, plus $2.3 million on buildings and equipment. Money in: $6.9 million local (mostly property tax), $22.5 million state, $2.1 million federal. Long-term debt: $37.1 million.
Spent $51.8 million — $23.6 million to run schools, about $11,454 per student, plus $26.2 million on buildings and equipment. Money in: $14.1 million local (mostly property tax), $15.7 million state, $1.7 million federal. Long-term debt: $85.4 million.
Spent $21 million — $19.3 million to run schools, about $11,297 per student, plus $757,000 on buildings and equipment. Money in: $5.9 million local (mostly property tax), $17.7 million state, $2.3 million federal. Long-term debt: $20.1 million.
Spent $9.7 million — $9.2 million to run schools, about $14,074 per student, plus $328,000 on buildings and equipment. Money in: $2.2 million local (mostly property tax), $7.7 million state, $641,000 federal. Long-term debt: $8.5 million.
Spent $8.6 million — $7.9 million to run schools, about $14,811 per student, plus $703,000 on buildings and equipment. Money in: $1.6 million local (mostly property tax), $6.3 million state, $541,000 federal.
Spent $8.4 million — $7.5 million to run schools, about $15,275 per student, plus $573,000 on buildings and equipment. Money in: $3.1 million local (mostly property tax), $5.2 million state, $893,000 federal. Long-term debt: $13.8 million.
And 1 more.
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 Butler County about $42.3 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
591 bridges in Butler County: 352 in good condition, 201 fair, and 38 poor (6.4%). “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.
| SW Ohio St RS 74 over 604 (RS 1769) · built 1960 | 3,830 vehicles a day |
| SW Haverhill over TURKEY CREEK · built 1923 | 1,815 vehicles a day |
| K900 PARKS ROUTE over WALNUT RIVER · built 1962 | 1,686 vehicles a day |
| NW Butler Rd over PRAIRIE CREEK · built 1938 | 935 vehicles a day |
| SW Diamond over BRANCH OF FOUR MILE CK. · built 1958 | 780 vehicles a day |
| 162ND ST. over I-35 HWY (KTA) · built 1956 | 651 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $11.9 million of work in Butler County in fiscal 2025, about $176 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 Butler 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 Butler County built: brayden.ozark@gmail.com.
More of Kansas: the state government and every county in Kansas.
Nearby counties: Greenwood County (33 mi) · Sedgwick County (35 mi) · Cowley County (37 mi) · Harvey County (38 mi) · Chase County (39 mi) · Elk County (39 mi).