4,027 people (2024 Census estimate, +0.8% since 2020)
1,126 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.
7 active community water systems list Edmunds County in the area they serve, reporting 23,476 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 |
| IPSWICH buys surface water · local government · SD4600397 | 928 served |
| MINA LAKE SANITARY DISTRICT buys surface water · local government · SD4600501 | 863 served |
| BOWDLE buys surface water · local government · SD4600008 | 470 served |
| ROSCOE buys surface water · local government · SD4600282 | 269 served |
| HOSMER buys surface water · local government · SD4600162 | 170 served |
| BOULDER COLONY groundwater · private · SD4600339 | 26 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 7 people were held in Edmunds County's jail, in Vera's latest figure (2019), or 295 per 100,000 residents ages 15–64. In 2014 it was about 2.
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 Edmunds County. School taxes are usually the largest part of a property tax bill.
Spent $5.6 million — $5.2 million to run schools, about $11,269 per student, plus $347,000 on buildings and equipment. Money in: $4.8 million local (mostly property tax), $884,000 state, $458,000 federal. Long-term debt: $5.6 million.
Spent $2.9 million — $2.7 million to run schools, about $19,467 per student, plus $178,000 on buildings and equipment. Money in: $2.6 million local (mostly property tax), $154,000 state, $725,000 federal. Long-term debt: $7.7 million.
Spent $2.3 million — $2.3 million to run schools, about $19,422 per student, plus $77,000 on buildings and equipment. Money in: $1.4 million local (mostly property tax), $363,000 state, $189,000 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 Edmunds County about $5.3 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.
20 bridges in Edmunds County: 7 in good condition, 8 fair, and 5 poor (25.0%). “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.
| US012 over CK · built 1974 | 2,666 vehicles a day |
| 142ND STREET over SNAKE CREEK · built 1959 | 150 vehicles a day |
| 370TH AVENUE over CREEK · built 1974 | 114 vehicles a day |
| 130TH STREET over SNAKE CREEK · built 1980 | 31 vehicles a day |
| 369TH AVENUE over UNNAMED CREEK · built 1980 | 31 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $823,837 of work in Edmunds County in fiscal 2025, about $207 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 Edmunds 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 Edmunds County built: brayden.ozark@gmail.com.
More of South Dakota: the state government and every county in South Dakota.
Nearby counties: Faulk County (24 mi) · McPherson County (26 mi) · Walworth County (40 mi) · Brown County (43 mi) · Potter County (44 mi) · Campbell County (46 mi).