Sourced county profiles
Rankings
Cheapest Idaho Counties for Land
A sourced market snapshot ranking counties by land affordability and availability signals.
Ranking boundary
Rankings Are Discovery Leads
A high ranking means a county is worth researching first. It is not legal advice, a recommendation to buy land, or proof that any parcel will qualify for a specific use.
Land affordability uses county-level active listing snapshots and should not replace parcel comps.
Source confidence
Ranking Confidence Strip
A quick trust check for the top-ranked counties: verified profiles, major source coverage, citation depth, and the number of source inputs behind this ranking.
Major sourced layers present
Top 10 county citation URLs
Source groups used by this ranking
Official Tier 1 Idaho source review updated from Power County building, planning, manufactured-home, permit, and code resources; office confirmation still needed because the county warns of ordinance changes.
#2Idaho CountyPartially sourced97Official Tier 1 Idaho source review updated from Idaho County Building/Living guidance; office confirmation still needed for tiny homes and long-term RV occupancy.
#3Washington CountyPartially sourced95Official Tier 1 Idaho source review updated from Washington County code, zoning map, state building-code, permit, and parcel-history resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#4Lewis CountyPartially sourced89Official Tier 2 Idaho source review updated from Lewis County Planning and Zoning source anchor; source remains thin and office confirmation is needed for tiny homes and long-term RV occupancy.
#5Adams CountyPartially sourced88Official Tier 1 Idaho source review updated from Adams County Planning and Zoning and Building Department permit resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#6Cassia CountyPartially sourced85Official Idaho readiness review updated from Cassia County Zoning and Building and zoning-map source materials; office confirmation still needed for tiny homes and long-term RV occupancy.
#7Camas CountyPartially sourced79Official Tier 2 Idaho source review updated from Camas County Planning and Zoning, zoning ordinance, building permit, and winter-access caution resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#8Butte CountyPartially sourced78Official Tier 1 Idaho source review updated from Butte County Planning and Zoning, zoning map, area-of-impact, and building permit resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#9Bear Lake CountyPartially sourced75Official Tier 2 Idaho source review updated from Bear Lake County Planning and Zoning source anchor; office confirmation still needed for tiny homes and long-term RV occupancy.
#10Clearwater CountyPartially sourced75Official Tier 2 Idaho source review updated from Clearwater County Building and Planning permit application and county website source anchor; office confirmation still needed for tiny homes and long-term RV occupancy.
#11Caribou CountyPartially sourced70Official Tier 2 Idaho source review updated from Caribou County zoning certification and building-permit approval application resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#12Franklin CountyPartially sourced68Official Idaho readiness review updated from Franklin County Planning and Zoning and Building Department source anchors; office confirmation still needed for tiny homes and long-term RV occupancy.
#13Shoshone CountyPartially sourced67Official Tier 2 Idaho source review updated from Shoshone County Planning and Zoning, building, manufactured/mobile home setting permit, site disturbance, floodplain, and parcel-zoning resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#14Owyhee CountyPartially sourced67Official Tier 2 Idaho source review updated from Owyhee County planning, zoning, subdivision, building, residential permit, septic, fire-access, and driveway/access resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#15Bonneville CountyPartially sourced66Official Idaho readiness review updated from Bonneville County Planning and Zoning, online applications, public hearing, zoning ordinance, zoning map, comprehensive plan, flood ordinance, FAQ, and permit-fee source materials; office confirmation still needed for tiny homes and long-term RV occupancy.
#16Oneida CountyPartially sourced65Official Tier 2 Idaho source review updated from Oneida County Planning and Zoning development code source; office confirmation still needed for tiny homes and long-term RV occupancy.
#17Gooding CountyPartially sourced61Official Idaho readiness review updated from Gooding County Planning and Zoning, planning/building, permit, commission, and county-code source anchors; office confirmation still needed for tiny homes and long-term RV occupancy.
#18Benewah CountyPartially sourced60Official Idaho readiness review updated from Benewah County Building Department source anchor; public planning source depth remains limited, and office confirmation is still needed for tiny homes and long-term RV occupancy.
#19Nez Perce CountyPartially sourced59Official Idaho readiness review updated from Nez Perce County Planning and Building applications, planner/building official, mechanical, state electrical/plumbing, and septic-permit direction source materials; office confirmation still needed for tiny homes and long-term RV occupancy.
#20Bannock CountyPartially sourced59Official Idaho readiness review updated from Bannock County planning source anchor; office confirmation still needed for tiny homes and long-term RV occupancy.
#21Boundary CountyPartially sourced56Official Idaho readiness review updated from Boundary County Planning and Zoning and zoning/subdivision land-use ordinance source anchors; office confirmation still needed for tiny homes and long-term RV occupancy.
#22Lemhi CountyPartially sourced53Official Tier 2 Idaho source review updated from Lemhi County building, county/city land-use assistance, and FAQ resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#23Custer CountyPartially sourced47Official Tier 2 Idaho source review updated from Custer County Planning and Zoning, rural addressing, GIS, public hearing, and zoning ordinance resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#24Lincoln CountyPartially sourced39Official Idaho readiness review updated from Lincoln County Planning and Zoning, zoning map, ordinance, application, electronic plan review, and building permit resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#25Fremont CountyPartially sourced37Official Idaho readiness review updated from Fremont County Planning and Zoning plus Planning and Building source anchors; office confirmation still needed for tiny homes and long-term RV occupancy.
#26Elmore CountyPartially sourced31Official Idaho readiness review updated from Elmore County Land Use and Building, zoning and development ordinance, building permit requirements, flood-control, and application resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#27Payette CountyPartially sourced25Official Idaho readiness review updated from Payette County Planning and Zoning source anchor; office confirmation still needed for tiny homes and long-term RV occupancy.
#28Boise CountyPartially sourced21Official Idaho readiness review updated from Boise County Planning and Zoning, ULO, building permit, flood development, and building permit procedure resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#29Ada CountyPartially sourced20Official Idaho readiness review updated from Ada County Development Services source anchor; high-density, city-boundary, subdivision, utility, water, septic/sewer, and covenant constraints make alternative-housing assumptions highly parcel-specific.
#30Bingham CountyPartially sourced20Official Idaho readiness review updated from Bingham County Planning and Zoning source materials; office confirmation still needed for tiny homes and long-term RV occupancy.
#31Blaine CountyPartially sourced20Official Idaho readiness review updated from Blaine County Land Use, Planning and Zoning Commission hearing, Land Use Office, and current planning application source materials; office confirmation still needed for tiny homes and long-term RV occupancy.
#32Bonner CountyPartially sourced20Official Idaho readiness review updated from Bonner County Planning applications, Building Location Permit, Conditional Use, Floodplain, Shore Land, Stormwater, subdivision, variance, zone-change, FAQ, and permit guidance source materials; office confirmation still needed for tiny homes and long-term RV occupancy.
#33Canyon CountyPartially sourced20Official Idaho readiness review updated from Canyon County Development Services source anchor; high-growth, city-boundary, utility, subdivision, irrigation, water, septic, and access constraints require parcel-specific confirmation before tiny-home or long-term RV assumptions.
#34Clark CountyPartially sourced20Official Idaho readiness review updated from Clark County Planning and Zoning, development code, zoning district, building permit, floodplain, lot split, subdivision, variance, zone-change, and approach permit resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#35Gem CountyPartially sourced20Official Idaho readiness review updated from Gem County Development Services permit-packet materials; office confirmation still needed for tiny homes and long-term RV occupancy.
#36Jefferson CountyPartially sourced20Official Idaho readiness review updated from Jefferson County Planning, Zoning, and Building ordinance source materials; office confirmation still needed for tiny homes and long-term RV occupancy.
#37Jerome CountyPartially sourced20Official Idaho readiness review updated from Jerome County Building Department, zoning map, and zoning-permit chapter source materials; office confirmation still needed for tiny homes and long-term RV occupancy.
#38Kootenai CountyPartially sourced20Official Idaho readiness review updated from Kootenai County Planning and Building source anchors; high-growth, lake/shoreland, subdivision, utility, water, septic, and city-boundary constraints require parcel-specific confirmation before tiny-home or long-term RV assumptions.
#39Latah CountyPartially sourced20Official Idaho readiness review updated from Latah County Planning, Building, and GIS resources covering land-use ordinance administration, conditional use, subdivision, zone-change review, building-code enforcement, applications, handouts, ordinances, plans, maps, and permit search resources; office confirmation still needed for tiny homes and long-term RV occupancy.
#40Madison CountyPartially sourced20Official Idaho readiness review updated from Madison County building permit materials and county website context referencing Building Department and Planning and Zoning review; office confirmation still needed for tiny homes and long-term RV occupancy.
#41Minidoka CountyPartially sourced20Official Idaho readiness review updated from Minidoka County Boards and Commissions planning/zoning governance source anchor; public planning source depth remains limited, and office confirmation is still needed for tiny homes and long-term RV occupancy.
#42Teton CountyPartially sourced20Official Idaho readiness review updated from Teton County Planning and Zoning forms, Land Development Code review references, concept-plan materials, city-impact context, and septic-capacity source materials; office confirmation still needed for tiny homes and long-term RV occupancy.
#43Twin Falls CountyPartially sourced20Official Idaho readiness review updated from Twin Falls County Community Development Services source anchor; office confirmation still needed for tiny homes and long-term RV occupancy.
#44Valley CountyPartially sourced20Official Idaho readiness review updated from Valley County Planning and Zoning, land-use ordinance, subdivision, mobile-home/RV park, building permit, floodplain, wellhead protection, and RV camp materials; office confirmation still needed for tiny homes and long-term RV occupancy.
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Land affordability rankings are market snapshots, useful for discovery but not a substitute for parcel comps or title review.