9,087 people (2024 Census estimate, +4.6% since 2020)
617 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.
10 active community water systems list Turner County in the area they serve, reporting 27,538 people served in all (a system that crosses county lines counts its whole population).
| BY WATER DISTRICT surface water · local government · SD4600865 | 13,320 served |
| SOUTH LINCOLN RURAL WATER SYSTEM groundwater · private · SD4600870 | 5,250 served |
| TM RURAL WATER DISTRICT buys surface water · local government · SD4600999 | 4,250 served |
| PARKER buys groundwater · local government · SD4600235 | 1,025 served |
| CENTERVILLE buys groundwater · local government · SD4600085 | 918 served |
| MARION buys groundwater · local government · SD4600201 | 894 served |
| VIBORG buys groundwater · local government · SD4600343 | 814 served |
| IRENE buys surface water · local government · SD4600173 | 422 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 4 people were held in Turner County's jail, in Vera's latest figure (2021), or 80 per 100,000 residents ages 15–64. In 2016 it was about 5.
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.
5 school districts have their office in Turner County. School taxes are usually the largest part of a property tax bill.
Spent $8.5 million — $5.3 million to run schools, about $10,709 per student, plus $2.7 million on buildings and equipment. Money in: $3.6 million local (mostly property tax), $2.4 million state, $349,000 federal. Long-term debt: $5.1 million.
Spent $5.3 million — $4.7 million to run schools, about $11,151 per student, plus $543,000 on buildings and equipment. Money in: $3.8 million local (mostly property tax), $1.8 million state, $540,000 federal. Long-term debt: $1,000.
Spent $4.8 million — $4.6 million to run schools, about $15,724 per student, plus $243,000 on buildings and equipment. Money in: $3.3 million local (mostly property tax), $1.2 million state, $445,000 federal.
Spent $4 million — $3.3 million to run schools, about $11,424 per student, plus $603,000 on buildings and equipment. Money in: $2.3 million local (mostly property tax), $1.6 million state, $244,000 federal. Long-term debt: $5,000.
Spent $3.8 million — $3.6 million to run schools, about $18,156 per student, plus $132,000 on buildings and equipment. Money in: $2.8 million local (mostly property tax), $818,000 state, $238,000 federal. Long-term debt: $8,000.
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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Turner County about $10.7 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
143 bridges in Turner County: 51 in good condition, 54 fair, and 38 poor (26.6%). “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.
| 45520 275 ST over WEST FORK VERMILLION RV · built 1952 | 758 vehicles a day |
| 45650 275 ST over EAST FORK VERMILLION RV · built 1958 | 747 vehicles a day |
| 46220 275 ST over LONG CK · built 1977 | 570 vehicles a day |
| 46350 291 ST. over VERMILLION RV · built 1966 | 283 vehicles a day |
| 28650 461 AVE over VERMILLION RV · built 1956 | 207 vehicles a day |
| 27220 444 AVE over CK · built 1950 | 100 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $5.2 million of work in Turner County in fiscal 2025, about $595 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 South Dakota 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 Turner 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 Turner County built: brayden.ozark@gmail.com.
More of South Dakota: the state government and every county in South Dakota.
Nearby counties: Lincoln County (22 mi) · Yankton County (24 mi) · McCook County (28 mi) · Clay County (28 mi) · Hutchinson County (30 mi) · Minnehaha County (30 mi).