Bolthole Index

Wisconsin · Off-grid & homestead potential

Dunn County

62Index Score / 100
#49 of 72 in Wisconsin

Dunn County scores 62/100 on the Bolthole Index, a solid county profile. Its strengths are mixed durability signals and a stronger property-autonomy legal backdrop. The trade-offs: about 82,217 people within a 30-minute drive.

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County locator

Dunn County in Wisconsin

62
County map
Dunn County highlighted among the Wisconsin counties · colored by Index score

How Dunn County scores

Seclusion33100% ev.
Self-Sufficiency66100% ev.
Admin Boringness44100% ev.
Durability72100% ev.
Property Autonomy70100% ev.
Carry Cost66100% ev.

Evidence strength: 100%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$318kTypical home
1.5%Property tax
$4,904Land / acre
34"Annual rain
5.3% of yrsSevere drought
2.1 / yr (+2)Mid-century 100°F days
13.9 daysMid-century dry spell
1.75" (+8.5%)Mid-century 1-day rain
1.73×Wildfire change factor
100%Forward climate coverage
$1,303Home insurance / yr
2.4% / yrInsurance growth
0.65%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
82,217People within 30 min
4,367,240People within 2 hr
41,150Radius comparison (15 mi)
53.9People / sq mi
0.4%Federal land
75.5%Land at 15% slope or less
3.4%Septic soil without severe limits
17,478 acWorkable land screen
39.7%Wooded land
41.8 tonsBiomass / forest ac
44.1°FAvg temp

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Building & land-use rules in Dunn County

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

  • Building permitRequired

    Wisconsin's statewide Uniform Dwelling Code (SPS 320-325) requires a building permit before constructing a new one- or two-family dwelling; in Dunn County this UDC permit is administered by state-certified municipal (town) building inspectors, while the county issues the required zoning permit.

    Wisconsin DSPS - Uniform Dwelling Code ↗
  • County zoningYes

    Dunn County administers a Comprehensive Zoning ordinance (Chapter 13) applying to most towns/unincorporated areas; a county zoning permit is required for most new construction.

    Dunn County - Zoning ↗
  • Septic permittingDunn County Environmental Services - Planning & Zoning (Land Use) Division

    The county Land Use (Zoning) division of Environmental Services oversees POWTS and issues County Sanitary Permits; staff include a county POWTS Inspector / Certified Soil Tester, as delegated under WI DSPS.

    Dunn County - Sanitation ↗
  • Owner-builderAllowed

    Wisconsin DSPS states that a UDC construction and erosion-control permit may be taken out by the owner who currently occupies, or will occupy, the home. The owner-builder allowance does not waive required permits; new-home plumbing and electrical work generally must be performed under the applicable licensed professionals, while an owner-occupant may install the heating system.

    Wisconsin DSPS - Building a Home in Wisconsin (UDC Guide) ↗
  • 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 Dunn County Environmental Services - Planning & Zoning Division before you buy or build. Scouted Aug 2026 from official county sources.

Living off-grid in Dunn County, Wisconsin

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

Dunn County scores 62/100 on the Bolthole Index, a solid county profile. Its strengths: mixed durability signals and a stronger property-autonomy legal backdrop. Watch-outs: about 82,217 people within a 30-minute drive.

Do you need a building permit in Dunn County, Wisconsin?

Dunn County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Dunn County Environmental Services - Planning & Zoning (Land Use) Division. Owner-builders may act as their own contractor to build their home. Rules change and cities within the county differ — always confirm with the county before you buy or build.

How much does land cost in Dunn County, Wisconsin?

Land in Dunn County runs about $4,904 per acre, based on the latest county data.

What is the water situation in Dunn County?

Dunn County gets about 34" of rain a year, with severe drought in roughly 5.3% of years.

How remote is Dunn County?

A representative private-land location has about 82,217 people within a 30-minute drive and 4,367,240 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 Dunn 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 Dunn compares in Wisconsin

Compare side-by-side →See all 72 Wisconsin counties ranked →