Lake County, Illinois has a 2026 one-unit conforming loan limit of $832,750, which is 2.4 times the county's median home value of $345,700, so a typical home there can be financed with a conforming (non-jumbo) loan; median household income is $110,416 (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) | $345,700 |
| Illinois median home value | $263,300 |
| Limit ÷ median home value | 2.41× |
| Median household income | $110,416 |
| Median home value ÷ income | 3.1× |
| Population | 714,223 |
| Median property tax paid (owners) | $8,923 |
| Effective property tax rate (approx.) | 2.58% |
| Owner-occupied homes | 74.8% |
| Home value rank in Illinois | 2 of 102 counties |
| Neighbor: Cook County, IL | limit $832,750; median home $324,500 |
| Neighbor: Mchenry County, IL | limit $832,750; median home $308,100 |
| Neighbor: Allegan County, MI | limit $832,750; median home $267,100 |
| Neighbor: Berrien County, MI | limit $832,750; median home $224,300 |
| Neighbor: Van Buren County, MI | limit $832,750; median home $206,500 |
| Neighbor: Kenosha County, WI | limit $832,750; median home $265,500 |
Across Illinois's 102 counties, FHFA's 2026 one-unit limits are $832,750 everywhere. Lake County's median home value is 31% above the state median of $263,300 (rank 2 of 102). Among its 6 neighboring counties, Cook County has the highest median home value ($324,500) and Van Buren County the lowest ($206,500); all share the same loan limit. Owners pay a median $8,923 a year in property tax, an effective rate of about 2.58% 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: Lake County, CA
- 2026 conforming loan limit: Lake County, CO
- 2026 conforming loan limit: Lake County, FL
- 2026 conforming loan limit: Lake County, IN
- 2026 conforming loan limit: Lake County, MI
- 2026 conforming loan limit: Lake County, MN
- 2026 conforming loan limit: Lake County, MT
- 2026 conforming loan limit: Lake County, OH
Last updated 2026-10-16. Data only, not financial or tax advice.