Roslyn Population

2010–2026

961

2026 projection

1.2% since 2020 (increase)

02004006008001K201020122014201620182020202220242026

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 Roslyn. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026961-10.10%
2025962+30.31%
2024959-70.72%
2023966-50.51%
2022971-50.51%
2021976+262.74%
2020950+111.17%
2019939-30.32%
2018942+101.07%
2017932+161.75%

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

Roslyn has a population change lower than Kittitas County, Washington, and the U.S.

  • Kittitas County+4.2%
  • Washington+3.5%
  • United States+3.1%
  • Roslyn−0.1%

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.

Roslyn Demographics

43.8median age

Median age

Female44.6 yrs
Male43.1 yrs

Adults

884
153 seniors (65+) · 17% of adults731 other adults

Sex

Female 49.8% · 536Male 50.2% · 540

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 11 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

Roslyn Income

$104,800median household income

Median household income

$104,800

Half of households earn more, half earn less

Median earnings

$54,417

Typical yearly pay for a worker 25 or older.

Poverty rate

5%

About 1 in 20 residents

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

Roslyn Marital Status

45% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married45%48%43%
Never married33%35%31%
Divorced17%18%16%
Widowed4%0%8%
Separated1%0%2%

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