Dekalb County, Illinois has a 2026 one-unit conforming loan limit of $832,750, which is 3.4 times the county's median home value of $243,600, so a typical home there can be financed with a conforming (non-jumbo) loan; median household income is $70,724 (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) | $243,600 |
| Illinois median home value | $263,300 |
| Limit ÷ median home value | 3.42× |
| Median household income | $70,724 |
| Median home value ÷ income | 3.4× |
| Population | 100,703 |
| Median property tax paid (owners) | $5,974 |
| Effective property tax rate (approx.) | 2.45% |
| Owner-occupied homes | 61.4% |
| Home value rank in Illinois | 10 of 102 counties |
| Neighbor: Boone County, IL | limit $832,750; median home $216,900 |
| Neighbor: Kane County, IL | limit $832,750; median home $327,000 |
| Neighbor: Kendall County, IL | limit $832,750; median home $322,400 |
| Neighbor: Lasalle County, IL | limit $832,750; median home $161,900 |
| Neighbor: Lee County, IL | limit $832,750; median home $154,600 |
| Neighbor: Mchenry County, IL | limit $832,750; median home $308,100 |
| Neighbor: Ogle County, IL | limit $832,750; median home $189,200 |
| Neighbor: Winnebago County, IL | limit $832,750; median home $164,500 |
Across Illinois's 102 counties, FHFA's 2026 one-unit limits are $832,750 everywhere. Dekalb County's median home value is 7% below the state median of $263,300 (rank 10 of 102). Among its 8 neighboring counties, Kane County has the highest median home value ($327,000) and Lee County the lowest ($154,600); all share the same loan limit. Owners pay a median $5,974 a year in property tax, an effective rate of about 2.45% 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: Defiance County, OH
- 2026 conforming loan limit: Dekalb County, AL
- 2026 conforming loan limit: Dekalb County, GA
- 2026 conforming loan limit: Dekalb County, IN
- 2026 conforming loan limit: Dekalb County, MO
- 2026 conforming loan limit: Dekalb County, TN
- 2026 conforming loan limit: Del Norte County, CA
- 2026 conforming loan limits in Delaware by county
Last updated 2026-10-16. Data only, not financial or tax advice.