St. Lawrence County, NY Average Home Price (2026)
The average home price in St. Lawrence County, New York is about $142,500 (the 2026 median across 34 ZIP codes, at ~$125/sq ft) — 57% more affordable than the New York median and 51% more affordable than the typical U.S. home.
How St. Lawrence County compares
St. Lawrence County is relatively affordable for housing nationally: its typical home costs $142,500 against $333,000 for New York and $289,000 for the U.S. Within the county, ZIP-level values run from about $54,000 to $352,000.
| Area | Typical value | $ / sq ft |
|---|---|---|
| St. Lawrence County | $142,500 | $125 |
| New York | $333,000 | $241 |
| United States | $289,000 | $193 |
St. Lawrence County home prices by ZIP code
The 15 most valuable ZIP codes in St. Lawrence County (of 34 with data):
| ZIP code | Typical value | $ / sq ft | vs county |
|---|---|---|---|
| 13647 Hannawa Falls | $352,000 | $185 | +147% |
| 13633 De Peyster | $327,000 | $172 | +129% |
| 12927 Cranberry Lake | $306,000 | $458 | +115% |
| 13649 Helena | $215,000 | $113 | +51% |
| 13617 Canton | $199,000 | $132 | +40% |
| 13625 Colton | $196,000 | $161 | +38% |
| 13676 Potsdam | $191,000 | $118 | +34% |
| 13694 Waddington | $190,000 | $150 | +33% |
| 13646 Hammond | $187,000 | $223 | +31% |
| 13658 Lisbon | $173,000 | $163 | +21% |
| 13687 South Colton | $167,000 | $216 | +17% |
| 13630 De Kalb Junction | $163,000 | $194 | +14% |
| 13660 Madrid | $159,000 | $108 | +12% |
| 13654 Heuvelton | $157,000 | $124 | +10% |
| 13697 Winthrop | $152,000 | $144 | +7% |
Home value appreciation in St. Lawrence County
Home prices in St. Lawrence County have risen about 54% over the last 10 years (≈4.4% a year) and +72.3% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +6.1% — still rising. A home worth $142,500 today was worth roughly $92,412 ten years ago.
See where that trend takes a specific home with the home appreciation calculator — statewide, New York is +85.6% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.
Calculators for St. Lawrence County
Run the numbers for St. Lawrence County with the local rates already filled in — change any input to test your own situation.
Salary needed to buy a home in St. Lawrence County
To buy the typical $142,500 home in St. Lawrence County with 20% down, you need a household income of roughly $39,000 a year (about $900 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $46,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $7,100 | $1,120/mo | $48,000/yr |
| 10% (+PMI) | $14,300 | $1,070/mo | $46,000/yr |
| 20% | $28,500 | $900/mo | $39,000/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 St. Lawrence County
At about $125 per square foot, here is roughly how much home different budgets get you in St. Lawrence County:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $150k | 1200 sq ft | around the typical home here |
| $200k | 1600 sq ft | above the median — larger homes or the pricier ZIPs |
| $250k | 2000 sq ft | above the median — larger homes or the pricier ZIPs |
| $300k | 2400 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 New York.
Estimate a specific home in St. Lawrence County
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St. Lawrence County home prices: frequently asked
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Browse all New York 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.