St. Lawrence County, New York Demographics 2026
St. Lawrence County, New York has a population of 107,226, the 27th most populous county in New York. The median household income is $62,850 and the median home value is $121,900. The poverty rate is 16.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
St. Lawrence County Quick Facts
How St. Lawrence County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 107,796 | 107,226 | -0.5% |
| Median household income | $61,900 | $62,850 | +1.5% |
| Median home value | $119,800 | $121,900 | +1.8% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in St. Lawrence County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Massena | 10,238 | $51,458 | 24.3% | $94,400 |
| Ogdensburg | 9,455 | $61,824 | 16.1% | $85,400 |
| Potsdam | 8,427 | $34,546 | 29.0% | $146,400 |
| Canton | 7,167 | $62,054 | 19.8% | $183,800 |
| Akwesasne | 4,089 | $51,868 | 32.0% | $177,800 |
| Gouverneur | 3,615 | $35,752 | 27.3% | $107,200 |
| Norwood | 1,374 | $54,375 | 17.3% | $100,800 |
| Norfolk | 1,204 | $59,491 | 14.2% | $88,700 |
| Waddington | 1,062 | $73,750 | 6.3% | $182,300 |
| Brasher Falls | 776 | $52,868 | 13.2% | $98,000 |
| Hannawa Falls | 744 | $98,450 | 6.3% | $180,800 |
| Star Lake | 713 | $57,917 | 24.0% | $104,200 |
| Madrid | 641 | $68,333 | 20.6% | $139,100 |
| Hermon | 636 | $89,091 | 7.5% | $93,200 |
| Parishville | 634 | $76,719 | 19.6% | $96,800 |
| Hailesboro | 583 | $64,375 | 25.9% | $153,000 |
| Heuvelton | 546 | $63,542 | 10.1% | $99,800 |
| Winthrop | 530 | $138,231 | 14.9% | $119,900 |
| DeKalb Junction | 511 | $56,406 | 7.6% | $76,700 |
| Edwards | 490 | $61,786 | 13.5% | $82,600 |
| Rensselaer Falls | 483 | $82,109 | 5.2% | $87,100 |
| Morristown | 384 | $78,750 | 25.8% | $163,600 |
| Hammond | 320 | $56,917 | 26.6% | $81,900 |
| Richville | 311 | $55,000 | 10.3% | $92,500 |
| Colton | 260 | $69,605 | 1.9% | $116,300 |
| Cranberry Lake | 219 | $89,063 | 6.4% | $292,900 |
Explore New York Rankings
Population Overview
St. Lawrence County is located in New York with a total population of 107,226. It is the 27th most populous county out of 62 in New York. The county encompasses 26 Census-designated places.
Age Demographics
The median age in St. Lawrence County is 39.3 years. This is 1% lower than the state median of 39.8 years.
Economy, Income & Housing
The median household income in St. Lawrence County is $62,850. This is 27% lower than the state median of $85,974. It is also 22% lower than the national median of $80,734. The poverty rate stands at 16.9%. This is 20% higher than the state poverty rate of 14.0%. The unemployment rate is 5.3%. This is 17% lower than the state rate of 6.4%. The median home value is $121,900. Housing costs are 71% lower than the state median of $423,800. With a home-value-to-income ratio of just 1.9x, St. Lawrence County is one of the most affordable housing markets in the area. 71.9% of occupied housing units are owner-occupied. This homeownership rate is 32% higher than the state average of 54.4%.
Race & Ethnicity
St. Lawrence County has a predominantly White (non-Hispanic) population, comprising 91.2% of all residents. Hispanic or Latino residents account for 2.5%. The White (non-Hispanic) population is significantly higher than the state average (91.2% vs 52.8%). The Black or African American population (1.9%) is well below the state average of 13.4%. The Hispanic or Latino population (2.5%) is well below the state average of 19.8%. The Asian population (1.1%) is well below the state average of 9.0%.
Education
25.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% lower than the state rate of 40.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.9%.
Data Sources & Methodology
All figures for St. Lawrence County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against New York and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of St. Lawrence County, New York?
St. Lawrence County has a population of 107,226, making it the 27th most populous county in New York.
What is the median income in St. Lawrence County?
The median household income in St. Lawrence County is $62,850 with a poverty rate of 16.9%.
How many cities are in St. Lawrence County, New York?
St. Lawrence County contains 26 Census-designated places.