Union County, Illinois has a 2026 one-unit conforming loan limit of $832,750, which is 6.3 times the county's median home value of $131,700, so a typical home there can be financed with a conforming (non-jumbo) loan; median household income is $55,728 (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) | $131,700 |
| Illinois median home value | $263,300 |
| Limit ÷ median home value | 6.32× |
| Median household income | $55,728 |
| Median home value ÷ income | 2.4× |
| Population | 16,997 |
| Median property tax paid (owners) | $1,712 |
| Effective property tax rate (approx.) | 1.30% |
| Owner-occupied homes | 77.4% |
| Home value rank in Illinois | 55 of 102 counties |
| Neighbor: Alexander County, IL | limit $832,750; median home $59,800 |
| Neighbor: Jackson County, IL | limit $832,750; median home $137,300 |
| Neighbor: Johnson County, IL | limit $832,750; median home $160,500 |
| Neighbor: Pulaski County, IL | limit $832,750; median home $85,100 |
| Neighbor: Williamson County, IL | limit $832,750; median home $156,400 |
| Neighbor: Cape Girardeau County, MO | limit $832,750; median home $220,700 |
| Neighbor: Perry County, MO | limit $832,750; median home $188,200 |
Across Illinois's 102 counties, FHFA's 2026 one-unit limits are $832,750 everywhere. Union County's median home value is 50% below the state median of $263,300 (rank 55 of 102). Among its 7 neighboring counties, Cape Girardeau County has the highest median home value ($220,700) and Alexander County the lowest ($59,800); all share the same loan limit. Owners pay a median $1,712 a year in property tax, an effective rate of about 1.30% 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: Union County, FL
- 2026 conforming loan limit: Union County, GA
- 2026 conforming loan limit: Union County, IA
- 2026 conforming loan limit: Union County, IN
- 2026 conforming loan limit: Union County, KY
- 2026 conforming loan limit: Union County, MS
- 2026 conforming loan limit: Union County, NC
- 2026 conforming loan limit: Union County, NJ
Last updated 2026-10-16. Data only, not financial or tax advice.