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Data from November 2026

The counties of Idaho

Idaho has 44 counties. The most populous is Ada County (518,935 people); the most expensive homes are in Blaine County ($735,300) and the least expensive in Power County ($212,900). Each has its own page with prices, limits and help nearby.

Key numbers in Idaho

Counties
44
each with its own page
People
1.9M
Census, Average 2020–2024
Typical home
$418,600
median value in Idaho

Source: American Community Survey (ACS) 5-year estimates Average 2020–2024 American Community Survey (ACS) 5-year estimates (external site) Source: FHA mortgage limits (HUD) Data from 2026 data FHA mortgage limits (HUD) (external site)

Map and extremes

Where it costs more and less in Idaho

Map of Idaho: typical home value by county

Typical home value by county

  • Under $267,400
  • $267,400–$300,700
  • $300,700–$359,800
  • $359,800–$414,800
  • $414,800 or more
  • People

    Highest
    518,935
    Ada County
    Lowest
    849
    Clark County
  • Typical home

    Highest
    $735,300
    Blaine County
    Lowest
    $212,900
    Power County
  • Typical rent

    Highest
    $1,577
    Ada County
    Lowest
    $608
    Butte County
  • FHA limit

    Highest
    $1,249,125
    Teton County
    Lowest
    $541,287
    Washington County

The full list

Every county in Idaho

Type a name to filter or tap a column to sort. Each county links to its page.

Census medians; FHA limit for one unit. · American Community Survey · Average 2020–2024 · FHA mortgage limits · 2026 data Source: American Community Survey (ACS) 5-year estimates Average 2020–2024 American Community Survey (ACS) 5-year estimates (external site)

Frequently asked questions

How many counties does Idaho have?

Idaho has 44 counties. The most populous is Ada County (518,935 people) and the least populous Clark County (849), per the Census (Average 2020–2024).

Which county in Idaho has the most expensive homes?

By typical value (Average 2020–2024, Census), the most expensive is Blaine County ($735,300) and the least expensive Power County ($212,900).

Where is rent highest in Idaho?

The highest typical rent is in Ada County ($1,577 a month) and the lowest in Butte County ($608), per the Census (Average 2020–2024).

Which county in Idaho has the highest FHA limit?

In 2026 data, the highest FHA limit for one unit is in Teton County ($1,249,125). 33 counties are at the lowest, $541,287.