County · code 16067
Minidoka CountyIdaho
Minidoka County is a county in Idaho with its seat in Rupert. The county was formed in 1913.
- Founded1913
- County seatRupert
- Land area757 sq mi + 5.4 sq mi water
- Population21,613 2020 Census
- Parcels mapped13,441 checked 16 October 2026
Where it is
Minidoka on the map of Idaho
Idaho has 44 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1913 from Lincoln County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Minidoka County was created from Lincoln County on January 28, 1913. It lost territory to the creation of Jerome County on February 8, 1919.
- 1913Minidoka County created Minidoka created from Lincoln. · Id. Laws 1913, 12th sess., ch. 3/pp. 5-13
- 1919Lost territory Minidoka lost to creation of Jerome. · Id. Laws 1919, 15th sess., ch. 4/pp. 14-28
Land and parcels
What the maps cover in Minidoka
Who publishes each layer, how good it is, and when we last checked.
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Parcels Good enough
Lot lines and tax-map numbers for 13,441 parcels from Idaho Department of Water Resources. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 16 October 2026 -
Address points Missing
No public address points layer found for Minidoka County yet.
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Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
Minidoka by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Who to ask before you build, dig or sell
Official county pages only. We link to them; we do not copy them, because they change.
Inside a city or town, permits usually come from that city rather than the county.
Records
Permits
County government
- County government
The official website of Minidoka County.
See your own lot on these maps
Open Minidoka County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about Minidoka County
- When was Minidoka County founded?
- Minidoka County was founded in 1913, formed from Lincoln County.
- What is the county seat of Minidoka County?
- The county seat of Minidoka County is Rupert.
- Is there an online parcel map for Minidoka County?
- Yes. Idaho Department of Water Resources publishes a parcel map of 13,441 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Minidoka County's boundary or name changed?
- Minidoka County was created in 1913 from Lincoln County. Since then the Atlas of Historical County Boundaries records 1 later change, chiefly involving Jerome County.
- Who issues building permits in Minidoka County?
- The county's page on building permits: Building Permits. Inside a city or town, ask that city first.
- Is my lot in a flood zone?
- We do not have flood maps for Minidoka County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby