Black River Falls Population

1860–2026

3,571

2026 projection

1.4% since 2020 (increase)

01K2K3K4K186018801900192019401960198020002020

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 Falls. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20263,571+160.45%
20253,555-190.53%
20243,574-30.08%
20233,577-381.05%
20223,615+1293.70%
20213,486-371.05%
20203,523-70.20%
20193,530+90.26%
20183,521-260.73%
20173,547-20.06%

Showing 10 of 32 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 Falls is growing faster than Jackson County, about as fast as Wisconsin, and slower than the U.S.

  • United States+3.1%
  • Black River Falls+1.3%
  • Wisconsin+1.3%
  • Jackson County−0.5%

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 Falls Demographics

42.1median age

Median age

Female44.5 yrs
Male40.5 yrs

Adults

2,778
917 seniors (65+) · 33% of adults1,861 other adults

Sex

Female 53.4% · 1,893Male 46.6% · 1,653

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 35 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 Falls Income

$66,632median household income

Median household income

$66,632

Half of households earn more, half earn less

Median earnings

$40,125

Typical yearly pay for a worker 25 or older.

Poverty rate

9.9%

About 1 in 10 residents

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

Black River Falls Marital Status

44% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married44%50%39%
Never married24%31%18%
Divorced22%16%27%
Widowed10%3%16%
Separated0%0%0%

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