St. Lawrence County Population

1810–2026

104.81K

2026 projection

3.1% since 2020 (decrease)

020K40K60K80K100K120K1850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for St. Lawrence County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026104,808-6800.64%
2025105,488-6800.64%
2024106,168-4390.41%
2023106,607-2930.27%
2022106,900-6630.62%
2021107,563-6190.57%
2020108,182+4160.39%
2019107,766-7680.71%
2018108,534-2340.22%
2017108,768-7380.67%

Showing 10 of 36 years.

St. Lawrence County Demographics

39.3median age

Median age

Female41 yrs
Male38 yrs

Adults

85,913
20,152 seniors (65+) · 23% of adults65,761 other adults

Sex

Female 48.8% · 52,353Male 51.2% · 54,873

Population by age

MaleFemale85+ years, male: 85685+ years, female: 1,52580–84 years, male: 1,04880–84 years, female: 1,28875–79 years, male: 1,60975–79 years, female: 1,70570–74 years, male: 2,63170–74 years, female: 2,84665–69 years, male: 3,37865–69 years, female: 3,26660–64 years, male: 4,07860–64 years, female: 3,85955–59 years, male: 3,30955–59 years, female: 3,54450–54 years, male: 3,29650–54 years, female: 3,18645–49 years, male: 2,93145–49 years, female: 2,79540–44 years, male: 2,84540–44 years, female: 2,66635–39 years, male: 3,51635–39 years, female: 3,18230–34 years, male: 3,33230–34 years, female: 2,84525–29 years, male: 3,01225–29 years, female: 2,62320–24 years, male: 4,91520–24 years, female: 4,12015–19 years, male: 5,07915–19 years, female: 4,61010–14 years, male: 3,12510–14 years, female: 2,9545–9 years, male: 3,3265–9 years, female: 2,8500–4 years, male: 2,5870–4 years, female: 2,48985+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 1,072 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

St. Lawrence County Income

$62,850median household income

Median household income

$62,850

Half of households earn more, half earn less

Median earnings

$47,505

Typical yearly pay for a worker 25 or older.

Poverty rate

16.9%

About 1 in 6 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

St. Lawrence County Marital Status

43% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married43%44%43%
Never married38%42%33%
Divorced11%10%12%
Widowed6%3%9%
Separated2%2%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year