Jefferson County, Idaho has a 2026 one-unit conforming loan limit of $832,750, which is 2.0 times the county's median home value of $408,400, so a typical home there can be financed with a conforming (non-jumbo) loan; median household income is $86,679 (FHFA; Census ACS 2020–2024).
Data as of 2026. Source: FHFA 2026 conforming loan limits; U.S. Census Bureau ACS 2020–2024
| Item | Value |
|---|---|
| 1-unit limit (2026) | $832,750 |
| 2-unit limit | $1,066,250 |
| 3-unit limit | $1,288,800 |
| 4-unit limit | $1,601,750 |
| Median home value (ACS 2020–24) | $408,400 |
| Idaho median home value | $418,600 |
| Limit ÷ median home value | 2.04× |
| Median household income | $86,679 |
| Median home value ÷ income | 4.7× |
| Population | 33,154 |
| Median property tax paid (owners) | $1,824 |
| Effective property tax rate (approx.) | 0.45% |
| Owner-occupied homes | 83.0% |
| Home value rank in Idaho | 11 of 44 counties |
| Neighbor: Bingham County, ID | limit $832,750; median home $293,300 |
| Neighbor: Bonneville County, ID | limit $832,750; median home $368,800 |
| Neighbor: Butte County, ID | limit $832,750; median home $217,600 |
| Neighbor: Clark County, ID | limit $832,750; median home $216,900 |
| Neighbor: Fremont County, ID | limit $832,750; median home $314,200 |
| Neighbor: Madison County, ID | limit $832,750; median home $414,800 |
Across Idaho's 44 counties, FHFA's 2026 one-unit limits range from $832,750 to $1,249,125, with 1 high-cost county. Jefferson County's median home value is 2% below the state median of $418,600 (rank 11 of 44). Among its 6 neighboring counties, Madison County has the highest median home value ($414,800) and Clark County the lowest ($216,900); all share the same loan limit. Owners pay a median $1,824 a year in property tax, an effective rate of about 0.45% of home value.
County data: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024 (tables B25077, B19013, B01003, B25103, B25003). Neighbors: Census county adjacency file.
Related
- 2026 conforming loan limit: Jefferson County, FL
- 2026 conforming loan limit: Jefferson County, GA
- 2026 conforming loan limit: Jefferson County, IA
- 2026 conforming loan limit: Jefferson County, IL
- 2026 conforming loan limit: Jefferson County, IN
- 2026 conforming loan limit: Jefferson County, KS
- 2026 conforming loan limit: Jefferson County, KY
- 2026 conforming loan limit: Jefferson County, MO
Last updated 2026-10-16. Data only, not financial or tax advice.