COUNTY
St. Lawrence County
New York · 105,488 residents (2025 est.) · 2,680 sq mi
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Part of the Massena micropolitan area
The short version
With 107,226 people, St. Lawrence County is a county in New York. The typical home is worth $121,900, having more than doubled since 2000. About 25% of adults have finished a four-year degree. 4% of locals were born outside the United States. That trails the New York median by roughly 27%. Renters pay $818 a month at the median.
At a glance
Lower income
median household income $62,850, below the US median
US median: $82,259
Mid-age
median age 39.3
US median: 38.9
Less educated
25% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about St. Lawrence County
What changed most since 1990
- White share96.2% → 91.2% (−5.0 pts)US over the same years: −17.8 pts
- Median home value (2024 dollars)$105,603 → $121,900 (+15%)US over the same years: +67%
- Adults with a bachelor's degree15.1% → 25.3% (+10.2 pts)US over the same years: +15.3 pts
Among the 62 counties in New York
- 58th in household income$62,850
- 44th in share with a bachelor's degree25.3%
- 60th in home value$121,900
- 52nd in diversity score20.8
Section 01
Population & growth
107,226
−4%since 2000
from 111,931 in 2000
105,488 in 2025 (Census Bureau estimate)
1990 – 2025
Land area
2,680 sq mi
Population, 1990 – 2024
2024107K
Age distribution, 2024
Under 54.7%(5,076)
5 to 95.8%(6,176)
10 to 145.7%(6,079)
15 to 199%(9,689)
20 to 248.4%(9,035)
25 to 3411%(11,812)
35 to 4411.4%(12,209)
45 to 5411.4%(12,208)
55 to 6413.8%(14,790)
65 to 7411.3%(12,121)
75 to 845.3%(5,650)
85 and over2.2%(2,381)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$62,850
+7%inflation adjusted, since 2000
from $32,356 in 2000
US average: $82,259
1990 – 2024
Households earning $100K+
42.2%
+21.6 ptssince 2009
from 20.7% in 2009
US average: 53.3%
Workforce by industry, 2024
Information10.5%
Retail trade8%
Wholesale trade6%
Finance & insurance5.8%
Professional, scientific, technical4.1%
Agriculture, forestry, fishing3.1%
Other services2.7%
Construction2.6%
Public administration2.1%
Education & health services1.7%
Transportation & warehousing1.2%
Arts, entertainment, food1.1%
Manufacturing0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03
Housing
$121,900
+13%inflation adjusted, since 2000
from $59,100 in 2000
US average: $376,019
1990 – 2024
1.9
+5%since 2009
from 1.8 in 2009
1990 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
41
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity
2000
White, non-Hispanic93.6%(104,777)
Black2.3%(2,531)
Hispanic / Latino1.8%(2,008)
Asian0.7%(793)
Other0%
2024
White, non-Hispanic91.2%(97,759)
Black1.9%(2,068)
Hispanic / Latino2.5%(2,727)
Asian1.1%(1,169)
Other3.3%(3,503)
21
+27%since 2009
from 16 in 2009
1990 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
29
−20%since 2020
from 37 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry
Hispanic origin
Puerto Rican0.6%(689)
Mexican0.4%(455)
South American0.3%(309)
Dominican0.3%(289)
Central American0.2%(263)
Argentine0.1%(112)
Guatemalan0.1%(102)
Chilean0.1%(91)
Panamanian0.1%(68)
Spaniard0.1%(64)
Cuban0%(52)
Costa Rican0%(51)
+ 6 more hispanic origin groups with data
Asian origin
Chinese0.3%(303)
Asian Indian0.2%(242)
Filipino0.1%(154)
Bangladeshi0.1%(117)
Nepalese0.1%(89)
Pakistani0.1%(59)
Korean0%(43)
Sri Lankan0%(30)
Vietnamese0%(28)
Japanese0%(24)
Bhutanese0%(16)
Thai0%(3)
Pacific Islander origin
Native Hawaiian0%(18)
Ancestry
Irish14.8%(15,872)
English14%(15,045)
French8.8%(9,455)
German8.8%(9,428)
American6.3%(6,758)
Italian5.8%(6,193)
French Canadian5.2%(5,583)
Scottish2.9%(3,114)
Polish2.2%(2,404)
Dutch1.4%(1,481)
Scotch-Irish1.1%(1,206)
Hungarian0.8%(910)
+ 47 more ancestry groups with data
Canadian0.8%(851)
Welsh0.6%(610)
Swedish0.4%(470)
Swiss0.3%(360)
Norwegian0.3%(337)
British0.3%(316)
West Indian0.3%(312)
Subsaharan African0.2%(259)
Portuguese0.2%(258)
Ukrainian0.2%(254)
Armenian0.2%(234)
Arab0.2%(229)
Russian0.2%(182)
Lithuanian0.2%(166)
Jamaican0.1%(152)
Greek0.1%(127)
Lebanese0.1%(112)
Haitian0.1%(112)
Iranian0.1%(107)
Austrian0.1%(101)
Slovak0.1%(86)
Syrian0.1%(77)
Czech0.1%(71)
Danish0.1%(71)
Nigerian0.1%(58)
Croatian0.1%(54)
Finnish0%(45)
Turkish0%(42)
Romanian0%(39)
Egyptian0%(34)
Ethiopian0%(30)
Guyanese0%(29)
Bulgarian0%(28)
Belgian0%(21)
Cape Verdean0%(21)
Israeli0%(19)
Serbian0%(18)
Slovene0%(14)
Australian0%(13)
Trinidadian & Tobagonian0%(11)
Macedonian0%(9)
Ghanaian0%(9)
Brazilian0%(6)
Moroccan0%(4)
Iraqi0%(1)
Palestinian0%(1)
Kenyan0%(1)
Section 05
Education
High school or higher
89.9%
+10.6 ptssince 2000
from 79.2% in 2000
US average: 89.6%
Section 06
Commute & transportation
Section 07
Work & employment
Women 20-64 in the labor force
68.8%
+1.1 ptssince 2020
from 67.7% in 2020
US average: 74.6%
Section 08
People & community
Computer in household
91.3%
+3.7 ptssince 2020
from 87.6% in 2020
US average: 95.5%
Marital status
Men 15+
Never married42.1%(19,292)
Married45.9%(21,054)
Widowed2.5%(1,148)
Divorced9.5%(4,341)
Women 15+
Never married33.4%(14,708)
Married45.5%(20,044)
Widowed9%(3,972)
Divorced12.1%(5,336)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage
Direct-purchase
14.2%
−1.4 ptssince 2020
from 15.6% in 2020
US average: 13.8%
VA health care
2.6%
−0.7 ptssince 2020
from 3.3% in 2020
US average: 2.2%
Any private
67.3%
−1.9 ptssince 2020
from 69.2% in 2020
US average: 67.1%
Any public
44.3%
+2.0 ptssince 2020
from 42.3% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)16.3%(935)
Gulf War (1990s)18.1%(1,036)
Vietnam era32.6%(1,863)
Korean War5.2%(300)
World War II0.6%(33)
Share of the 5,722 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
St. Lawrence County, decade by decade
| Year | Population | Median household income | Median home value | Bachelor's degree+ | Diversity score |
|---|---|---|---|---|---|
| 1990 | 111,974 | $57,119 | $105,603 | 15.1% | 9.3 |
| 2000 | 111,931 | $58,941 | $107,660 | 16.4% | 15.3 |
| 2010 | 111,944 | $60,856 | $114,510 | 18.7% | 17.1 |
| 2020 | 108,505 | $63,112 | $117,568 | 23.6% | 25.8 |
| 2024 | 107,226 | $62,850 | $121,900 | 25.3% | 20.8 |
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
Drill deeper
Places similar to St. Lawrence County
Marshall County
Pop 103,537
Macon County
Pop 99,300
Lauderdale County
Pop 97,135
Cullman County
Pop 94,009
Places similar to St. Lawrence CountyHead to head
Compare St. Lawrence County to nearby counties
ST. LAWRENCE COUNTY VS
Franklin County
Income$65,151+4%
Home value$145,400+19%
Population46,500−56%
SEE FULL COMPARISON →
ST. LAWRENCE COUNTY VS
Lewis County
Income$68,182+8%
Home value$166,100+36%
Population26,479−75%
SEE FULL COMPARISON →
ST. LAWRENCE COUNTY VS
Jefferson County
Income$66,301+5%
Home value$188,200+54%
Population111,540+6%
SEE FULL COMPARISON →
ST. LAWRENCE COUNTY VS
Hamilton County
Income$68,835+10%
Home value$260,200+113%
Population5,006−95%
SEE FULL COMPARISON →
Frequently asked
How many people live in St. Lawrence County, New York?
St. Lawrence County, New York has about 107,226 residents according to the 2024 American Community Survey.
What is the median household income in St. Lawrence County, New York?
The typical household in St. Lawrence County, New York earns about $62,850 a year. Half of households make more than that, and half make less.
Is St. Lawrence County, New York expensive?
In St. Lawrence County, New York, the median home is worth about $121,900, and the typical rent is about $818 a month.
How educated are people in St. Lawrence County, New York?
About 25.3% of adults age 25 and over in St. Lawrence County, New York hold a bachelor's degree or higher.
What is the poverty rate in St. Lawrence County, New York?
About 16.9% of people in St. Lawrence County, New York live below the federal poverty line.
Has St. Lawrence County, New York grown since 1990?
Yes, St. Lawrence County, New York has shrunk since 1990. The population has lost about 4,748 residents, a change of about -4 percent over that period.
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All counties in New YorkDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024