Bolthole Index

South Dakota · Off-grid & homestead potential

Roberts County

52Index Score / 100
#8 of 66 in South Dakota

Roberts County scores 52/100 on the Bolthole Index, a solid county profile. Its strengths are manageable long-term carry cost and sparse surroundings — about 3,638 people within a 30-minute drive. The trade-offs: thin water margin (24.7″/yr rainfall).

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County locator

Roberts County in South Dakota

52
County map
Roberts County highlighted among the South Dakota counties · colored by Index score

How Roberts County scores

Seclusion68100% ev.
Self-Sufficiency26100% ev.
Admin Boringness4490% ev.
Durability49100% ev.
Property Autonomy67100% ev.
Carry Cost80100% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$236kTypical home
1%Property tax
$4,089Land / acre
24.7"Annual rain
3.6% of yrsSevere drought
5.3 / yr (+4.7)Mid-century 100°F days
19.5 daysMid-century dry spell
1.48" (+9.1%)Mid-century 1-day rain
1.65×Wildfire change factor
100%Forward climate coverage
$1,599Home insurance / yr
3% / yrInsurance growth
1.18%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
3,638People within 30 min
577,977People within 2 hr
9,414Radius comparison (15 mi)
9.3People / sq mi
21.3%Federal land
92.9%Land at 15% slope or less
13.8%Septic soil without severe limits
94,799 acWorkable land screen
3.2%Wooded land
53.7 tonsBiomass / forest ac
43°FAvg temp

Scout Roberts County

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Property hunt

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A planning estimate, not a valuation or contractor quote. The USDA benchmark includes farm land and buildings; it is context, not a parcel comp.

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Building & land-use rules in Roberts County

What it takes to build here — permits, zoning, and septic — scouted from Roberts County’s own official sources.

  • Building permitRequired

    Zoning Ordinance Section 1702 states no building shall be erected, moved, added to or structurally altered without a permit issued by the Zoning Administrator.

    Roberts County Zoning Ordinance (2021) ↗
  • County zoningYes

    Roberts County adopted a Zoning Ordinance (2021) dividing the unincorporated county into zoning districts per the Official Zoning Map.

    Roberts County Ordinances ↗
  • Septic permittingSouth Dakota Department of Agriculture and Natural Resources (DANR)

    On-site wastewater systems are regulated statewide by SD DANR under ARSD 74:53:01, with permitting administered locally.

    SD DANR Septic Tank Systems ↗
  • Owner-builderNot published

    Not published on an official source — confirm with the county.

  • Building inspectionsNot published

    Not published on an official source — confirm with the county.

  • Occupancy certificateNot published

    Not published on an official source — confirm with the county.

  • Septic permitNot published

    Not published on an official source — confirm with the county.

  • Septic inspectionNot published

    Not published on an official source — confirm with the county.

  • Off-grid sanitationNot published

    Not published on an official source — confirm with the county.

Always confirm current rules with Roberts County Planning and Zoning before you buy or build. Scouted Jul 2026 from official county sources.

Living off-grid in Roberts County, South Dakota

Is Roberts County a good place to live off-grid or homestead?

Roberts County scores 52/100 on the Bolthole Index, a solid county profile. Its strengths: manageable long-term carry cost and sparse surroundings — about 3,638 people within a 30-minute drive. Watch-outs: thin water margin (24.7″/yr rainfall).

Do you need a building permit in Roberts County, South Dakota?

Roberts County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by South Dakota Department of Agriculture and Natural Resources (DANR). Rules change and cities within the county differ — always confirm with the county before you buy or build.

How much does land cost in Roberts County, South Dakota?

Land in Roberts County runs about $4,089 per acre, based on the latest county data.

What is the water situation in Roberts County?

Roberts County gets about 24.7" of rain a year, with severe drought in roughly 3.6% of years.

How remote is Roberts County?

A representative private-land location has about 3,638 people within a 30-minute drive and 577,977 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

Off-grid gear

Going off-grid in Roberts County means bringing your own water and power. The kit we’d start with:

WaterCrystal QuestFilter any source — well, rain, or creek — to drinking-clean.PowerBluettiSolar generators and home battery backup for living off the grid.

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How Roberts compares in South Dakota

Compare side-by-side →See all 66 South Dakota counties ranked →