Riverside Population

2010–2026

1,087

2026 projection

2.5% since 2020 (increase)

02004006008001K1.2K201020122014201620182020202220242026

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 Riverside. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,087+10.09%
20251,086+111.02%
20241,075+211.99%
20231,054-30.28%
20221,057-70.66%
20211,064+40.38%
20201,060+10.09%
20191,059+40.38%
20181,055-10.09%
20171,056+30.28%

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

Riverside is growing faster than Washington County and Iowa, and slower than the U.S.

  • United States+3.1%
  • Riverside+1.7%
  • Iowa+1.5%
  • Washington County+0.6%

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.

Riverside Demographics

42.6median age

Median age

Female40.3 yrs
Male45.6 yrs

Adults

703
143 seniors (65+) · 20% of adults560 other adults

Sex

Female 52% · 463Male 48% · 427

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 9 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

Riverside Income

$84,091median household income

Median household income

$84,091

Half of households earn more, half earn less

Median earnings

$53,603

Typical yearly pay for a worker 25 or older.

Poverty rate

2.3%

About 1 in 43 residents

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

Riverside Marital Status

49% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married49%52%46%
Never married26%31%22%
Divorced17%14%20%
Widowed7%3%11%
Separated<1%0%1%

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