Black River Population

2010–2026

1,199

2026 projection

2.7% since 2020 (decrease)

05001K1.5K2K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal 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 Black River. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,199-90.75%
20251,208-171.39%
20241,225-110.89%
20231,236-151.20%
20221,251-141.11%
20211,265+332.68%
20201,232-524.05%
20191,284-261.98%
20181,310-80.61%
20171,318+60.46%

Showing 10 of 17 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Black River has a population change lower than Jefferson County, New York, and the U.S.

  • United States+3.1%
  • New York−0.6%
  • Jefferson County−3.9%
  • Black River−4.2%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Black River Demographics

38.3median age

Median age

Female37.5 yrs
Male42.2 yrs

Adults

1,268
222 seniors (65+) · 18% of adults1,046 other adults

Sex

Female 51.8% · 855Male 48.2% · 796

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 17 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

Black River Income

$86,645median household income

Median household income

$86,645

Half of households earn more, half earn less

Median earnings

$50,679

Typical yearly pay for a worker 25 or older.

Poverty rate

11.8%

About 1 in 9 residents

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

Black River Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%52%51%
Never married24%33%16%
Divorced21%14%27%
Widowed3%<1%5%
Separated<1%0%<1%

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