Warren County, Illinois has a 2026 one-unit conforming loan limit of $832,750, which is 7.9 times the county's median home value of $105,000, so a typical home there can be financed with a conforming (non-jumbo) loan; median household income is $67,385 (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) | $105,000 |
| Illinois median home value | $263,300 |
| Limit ÷ median home value | 7.93× |
| Median household income | $67,385 |
| Median home value ÷ income | 1.6× |
| Population | 16,447 |
| Median property tax paid (owners) | $1,903 |
| Effective property tax rate (approx.) | 1.81% |
| Owner-occupied homes | 75.2% |
| Home value rank in Illinois | 82 of 102 counties |
| Neighbor: Fulton County, IL | limit $832,750; median home $107,200 |
| Neighbor: Henderson County, IL | limit $832,750; median home $104,400 |
| Neighbor: Knox County, IL | limit $832,750; median home $111,900 |
| Neighbor: Mcdonough County, IL | limit $832,750; median home $107,500 |
| Neighbor: Mercer County, IL | limit $832,750; median home $146,700 |
Across Illinois's 102 counties, FHFA's 2026 one-unit limits are $832,750 everywhere. Warren County's median home value is 60% below the state median of $263,300 (rank 82 of 102). Among its 5 neighboring counties, Mercer County has the highest median home value ($146,700) and Henderson County the lowest ($104,400); all share the same loan limit. Owners pay a median $1,903 a year in property tax, an effective rate of about 1.81% 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: Ware County, GA
- 2026 conforming loan limit: Warren County, GA
- 2026 conforming loan limit: Warren County, IA
- 2026 conforming loan limit: Warren County, IN
- 2026 conforming loan limit: Warren County, KY
- 2026 conforming loan limit: Warren County, MO
- 2026 conforming loan limit: Warren County, MS
- 2026 conforming loan limit: Warren County, NC
Last updated 2026-10-16. Data only, not financial or tax advice.