Rock Island County, Illinois has a 2026 one-unit conforming loan limit of $832,750, which is 5.5 times the county's median home value of $150,400, so a typical home there can be financed with a conforming (non-jumbo) loan; median household income is $67,159 (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) | $150,400 |
| Illinois median home value | $263,300 |
| Limit ÷ median home value | 5.54× |
| Median household income | $67,159 |
| Median home value ÷ income | 2.2× |
| Population | 142,757 |
| Median property tax paid (owners) | $3,425 |
| Effective property tax rate (approx.) | 2.28% |
| Owner-occupied homes | 69.7% |
| Home value rank in Illinois | 39 of 102 counties |
| Neighbor: Henry County, IL | limit $832,750; median home $151,600 |
| Neighbor: Mercer County, IL | limit $832,750; median home $146,700 |
| Neighbor: Whiteside County, IL | limit $832,750; median home $127,100 |
| Neighbor: Clinton County, IA | limit $832,750; median home $160,600 |
| Neighbor: Louisa County, IA | limit $832,750; median home $150,100 |
| Neighbor: Muscatine County, IA | limit $832,750; median home $182,100 |
| Neighbor: Scott County, IA | limit $832,750; median home $222,000 |
Across Illinois's 102 counties, FHFA's 2026 one-unit limits are $832,750 everywhere. Rock Island County's median home value is 43% below the state median of $263,300 (rank 39 of 102). Among its 7 neighboring counties, Scott County has the highest median home value ($222,000) and Whiteside County the lowest ($127,100); all share the same loan limit. Owners pay a median $3,425 a year in property tax, an effective rate of about 2.28% 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
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Last updated Oct 16, 2026, 10:42 PM ET. Data only, not financial or tax advice.
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