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    SIU mortgage rates

    SIU's lowest publicly advertised 30-year fixed rate today is 6.875% rate — the national average is 7.147%. That's about $26,316 saved vs. national on a $400,000, 30-year loan; principal and interest only, no taxes or insurance, with each rate held for the full term. We read SIU's rates every weekday, starting around 11 a.m. Central.

    We last read SIU's rates page on Nov 2, 2026. SIU dates its published rate sheet Nov 2, 2026.

    Today's rates from SIU

    ProductRateAPRPointsWe readSource
    30 Year Fixed6.875%—Lender publishes rate only1Nov 2, 2026Visit
    20 Year Fixed6.625%—Lender publishes rate only1Nov 2, 2026Visit
    15 Year Fixed6.5%—Lender publishes rate only1Nov 2, 2026Visit
    10 Year Fixed6.5%—Lender publishes rate only1Nov 2, 2026Visit
    5 Year ARM6.25%—Lender publishes rate only0Nov 2, 2026Visit

    Rate history

    Lowest daily APR, or rate when APR is not published, for each product over the past 90 days.

    Collecting data — the trend chart appears after a few days of tracking.

    Who can join SIU

    Membership is available to anyone who lives or works in 24 Southern Illinois counties, including Jackson, Williamson, and Jefferson. Eligibility also extends to Southern Illinois University students, faculty, and alumni, as well as employees of various local companies and specific association members.

    Employer
    Southern Illinois University, Center for Comprehensive Services, Centerstone, City of Carbondale, Gateway Foundation, Marion VA Medical Center, Sam’s Club of Marion, Shawnee Health Services, John A. Logan College, SIU Foundation
    Association / SEG
    SIU Alumni Association, Lake of Egypt Association of Property Owners, Local 702 International Brotherhood of Electrical Workers, Laborers’ International Union of North America Local 773
    County
    Alexander County, IL, Clinton County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Marion County, IL, Massac County, IL…

    Where SIU writes mortgages

    SIU publishes mortgage lending in 1 state.

    Illinois counties where SIU serves members

    Eligibility indicates likely eligibility only. Confirm membership and lending availability directly. See our methodology.

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