6,108 people (2024 Census estimate, −3.7% since 2020)
1,503 square miles of land · 4 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 Spink County in the area they serve, reporting 24,235 people served in all (a system that crosses county lines counts its whole population).
| WEB WATER DEVELOPMENT ASSOCIATION surface water · private · SD4601089 | 20,750 served |
| REDFIELD buys surface water · local government · SD4600277 | 2,214 served |
| TULARE buys surface water · local government · SD4600335 | 211 served |
| MELLETTE buys surface water · local government · SD4600204 | 205 served |
| DOLAND buys surface water · local government · SD4600108 | 199 served |
| NORTHVILLE buys surface water · local government · SD4600227 | 143 served |
| CONDE buys surface water · local government · SD4600096 | 142 served |
| SPINK COLONY groundwater · private · SD4602059 | 108 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 9 people were held in Spink County's jail, in Vera's latest figure (2019), or 240 per 100,000 residents ages 15–64. In 2014 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.
4 school districts have their office in Spink County. School taxes are usually the largest part of a property tax bill.
Spent $8.2 million — $7.2 million to run schools, about $12,962 per student, plus $217,000 on buildings and equipment. Money in: $5.6 million local (mostly property tax), $2.3 million state, $841,000 federal. Long-term debt: $20.6 million.
Spent $10.6 million — $4.2 million to run schools, about $12,479 per student, plus $6.2 million on buildings and equipment. Money in: $3.1 million local (mostly property tax), $1 million state, $400,000 federal. Long-term debt: $8 million.
Spent $3.8 million — $3.4 million to run schools, about $14,677 per student, plus $340,000 on buildings and equipment. Money in: $3.3 million local (mostly property tax), $465,000 state, $349,000 federal. Long-term debt: $3 million.
Spent $3 million — $2.6 million to run schools, about $15,988 per student, plus $321,000 on buildings and equipment. Money in: $2.1 million local (mostly property tax), $419,000 state, $263,000 federal. Long-term debt: $15,000.
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 Spink County about $9.7 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.
176 bridges in Spink County: 23 in good condition, 100 fair, and 53 poor (30.1%). “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.
| SD037 over CK · built 1958 | 462 vehicles a day |
| 165TH STREET over JAMES RIVER · built 1955 | 146 vehicles a day |
| 164TH STREET over S FORK SNAKE CREEK · built 1964 | 130 vehicles a day |
| 175TH STREET over TURTLE CREEK · built 1909 | 126 vehicles a day |
| 161ST STREET over CREEK · built 1930 | 100 vehicles a day |
| 161ST STREET over CREEK · built 1930 | 91 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $14.6 million of work in Spink County in fiscal 2025, about $2,290 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 Spink 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 Spink County built: brayden.ozark@gmail.com.
More of South Dakota: the state government and every county in South Dakota.
Nearby counties: Clark County (30 mi) · Beadle County (35 mi) · Faulk County (41 mi) · Hand County (42 mi) · Brown County (46 mi) · Day County (48 mi).