LaSalle County, IL Average Home Price (2026)
The average home price in LaSalle County, Illinois is about $221,500 (the 2026 median across 24 ZIP codes, at ~$135/sq ft) — 12% more expensive than the Illinois median and 23% more affordable than the typical U.S. home.
How LaSalle County compares
LaSalle County is about average for housing nationally: its typical home costs $221,500 against $197,000 for Illinois and $289,000 for the U.S. Within the county, ZIP-level values run from about $125,000 to $321,000.
| Area | Typical value | $ / sq ft |
|---|---|---|
| LaSalle County | $221,500 | $135 |
| Illinois | $197,000 | $134 |
| United States | $289,000 | $193 |
LaSalle County home prices by ZIP code
The 15 most valuable ZIP codes in LaSalle County (of 24 with data):
| ZIP code | Typical value | $ / sq ft | vs county |
|---|---|---|---|
| 61316 Cedar Point | $321,000 | $169 | +45% |
| 60549 Serena | $318,000 | $202 | +44% |
| 60551 Sheridan | $302,000 | $224 | +36% |
| 60537 Sheridan | $289,000 | $191 | +30% |
| 60531 Leland | $279,000 | $225 | +26% |
| 61373 La Salle | $264,000 | $97 | +19% |
| 61372 Troy Grove | $258,000 | $136 | +16% |
| 60518 Earlville | $246,000 | $132 | +11% |
| 60557 Wedron | $238,000 | $125 | +7% |
| 61325 Grand Ridge | $235,000 | $68 | +6% |
| 61360 Seneca | $232,000 | $171 | +5% |
| 61370 Tonica | $223,000 | $143 | +1% |
| 61358 Rutland | $220,000 | $116 | -1% |
| 61350 Ottawa | $215,000 | $182 | -3% |
| 61341 Marseilles | $212,000 | $153 | -4% |
Home value appreciation in LaSalle County
Home prices in LaSalle County have risen about 71% over the last 10 years (≈5.5% a year) and +54.7% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +8.1% — still rising. A home worth $221,500 today was worth roughly $129,230 ten years ago.
See where that trend takes a specific home with the home appreciation calculator — statewide, Illinois is +64.6% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.
Calculators for LaSalle County
Run the numbers for LaSalle County with the local rates already filled in — change any input to test your own situation.
Salary needed to buy a home in LaSalle County
To buy the typical $221,500 home in LaSalle County with 20% down, you need a household income of roughly $60,000 a year (about $1,410 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $72,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $11,100 | $1,750/mo | $75,000/yr |
| 10% (+PMI) | $22,200 | $1,670/mo | $72,000/yr |
| 20% | $44,300 | $1,410/mo | $60,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in LaSalle County
At about $135 per square foot, here is roughly how much home different budgets get you in LaSalle County:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $150k | 1110 sq ft | below the local median — condos, smaller or older homes |
| $200k | 1480 sq ft | around the typical home here |
| $250k | 1850 sq ft | around the typical home here |
| $300k | 2220 sq ft | above the median — larger homes or the pricier ZIPs |
| $400k | 2960 sq ft | above the median — larger homes or the pricier ZIPs |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Illinois.
Estimate a specific home in LaSalle County
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LaSalle County home prices: frequently asked
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Browse all Illinois cities and counties, or look up price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.