Madison County, Illinois

Alton, Illinois Mortgage & Home Loans

Alton is a historic Mississippi River city in Madison County's Metro East, known for its architecture, bluffs, and affordable housing near St. Louis.

  • Population 25,676
  • Local, licensed guidance

Madison County loan limits (2026)

FHA loan limit (1-unit)
$541,287
Conforming limit (1-unit)
$832,750
Jumbo loan threshold
Above $832,750

Illinois has no high-cost counties, so these limits apply statewide. Figures as of 2026 and subject to change — verify current limits with FHFA/HUD. Not a commitment to lend.

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Alton mortgage FAQ

Is Alton affordable?

Alton offers affordable, characterful housing along the Mississippi River in the Metro East, accessible to first-time buyers.

What loan limits apply in Alton?

Madison County uses Illinois' 2026 limits: $541,287 FHA (one-unit) and $832,750 conforming.