5,261 people (2024 Census estimate, +1.0% since 2020)
832 square miles of land · 6 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.
7 active community water systems list Kingsbury County in the area they serve, reporting 5,786 people served in all (a system that crosses county lines counts its whole population).
| KINGBROOK II RURAL WATER SYSTEM groundwater · private · SD4600511 | 2,715 served |
| DE SMET groundwater · local government · SD4600059 | 1,056 served |
| ARLINGTON buys groundwater · local government · SD4600385 | 915 served |
| LAKE PRESTON buys groundwater · local government · SD4600398 | 589 served |
| IROQUOIS buys groundwater · local government · SD4600174 | 292 served |
| SPRING LAKE COLONY groundwater · private · SD4602076 | 114 served |
| BADGER buys groundwater · local government · SD4600032 | 105 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.
No county jail figure in the national data for Kingsbury County — not gathered, never hidden. Some counties share a regional jail or have none.
4 school districts have their office in Kingsbury County. School taxes are usually the largest part of a property tax bill.
Spent $7.9 million — $4.3 million to run schools, about $13,208 per student, plus $3.4 million on buildings and equipment. Money in: $3.5 million local (mostly property tax), $1.3 million state, $494,000 federal. Long-term debt: $26,000.
Spent $5.9 million — $4 million to run schools, about $13,195 per student, plus $1.9 million on buildings and equipment. Money in: $4 million local (mostly property tax), $1.2 million state, $234,000 federal. Long-term debt: $90,000.
Spent $3.8 million — $3.4 million to run schools, about $14,257 per student, plus $310,000 on buildings and equipment. Money in: $2.5 million local (mostly property tax), $699,000 state, $374,000 federal. Long-term debt: $12,000.
Spent $3.8 million — $3.2 million to run schools, about $17,235 per student, plus $516,000 on buildings and equipment. Money in: $2.3 million local (mostly property tax), $625,000 state, $605,000 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 Kingsbury County about $6.7 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.
35 bridges in Kingsbury County: 6 in good condition, 19 fair, and 10 poor (28.6%). “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.
| 208TH ST over SOUTH FORK PEARL CK · built 1933 | 913 vehicles a day |
| 208TH ST over CK · built 1932 | 220 vehicles a day |
| 212TH ST over LAKE WHITEWOOD · built 1978 | 104 vehicles a day |
| 425TH AVE over CK · built 1935 | 95 vehicles a day |
| 209TH ST over CK · built 1930 | 35 vehicles a day |
| 206TH STREET over REDSTONE CK · built 1940 | 27 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $8.9 million of work in Kingsbury County in fiscal 2025, about $1,719 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 Kingsbury 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 Kingsbury County built: brayden.ozark@gmail.com.
More of South Dakota: the state government and every county in South Dakota.
Nearby counties: Miner County (24 mi) · Hamlin County (27 mi) · Lake County (30 mi) · Brookings County (35 mi) · Clark County (36 mi) · Sanborn County (38 mi).