The median home in Seneca, Illinois is valued at $242,414, up 5.6% year over year. Seneca is part of the Ottawa, IL metropolitan area, which CrashWatch tracks daily with real-time stress scores and crash risk analysis.

Home Value$242,414

+5.6%

Prices rising — worse for buyers.

Affordability

Enter your income for Seneca.

Income (annual)

Down Payment

$48,483 on $242,414

Example: $75,000 household income. Change it above to see your own.

Stretch29.2% of income

Above 28% but manageable with cuts.

PITI$1,826

P/I29.2%

Afford$232K

Gap-$10K

P&I $1,226Tax $450Ins $150

6.50% 30yr, 20% down, county tax + IL ins. 28% per HUD.

Home Buying Kit For Dummies (2025)Financing, negotiation, closing

Other cities in Illinois

Compare Seneca with other housing markets across Illinois.

Kenilworth$1.93M Winnetka$1.73M Glencoe$1.51M Bannockburn$1.22M Golf$1.19M Hinsdale$1.18M Lake Forest$1.14M South Barrington$1.08M

Full Ottawa, IL analysis

Stress scores, crash risk, early warning signals, and 12-month price forecasts for the Ottawa, IL metro.

View Ottawa, IL metro

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Seneca, IL