Westlake Population

1920–2026

33,811

2026 projection

1.2% since 2020 (decrease)

05K10K15K20K25K30K35K192019401960198020002020

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 Westlake. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202633,811-930.27%
202533,904+760.22%
202433,828-530.16%
202333,881+950.28%
202233,786-1300.38%
202133,916-3120.91%
202034,228+820.24%
201934,146+990.29%
201834,047+1280.38%
201733,919+1310.39%

Showing 10 of 26 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

Westlake has a population change higher than Cuyahoga County, and lower than Ohio and the U.S.

  • United States+3.1%
  • Ohio+0.9%
  • Westlake−0.9%
  • Cuyahoga County−2.4%

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.

Westlake Demographics

46.9median age

Median age

Female47.4 yrs
Male46.3 yrs

Adults

27,223
8,559 seniors (65+) · 31% of adults18,664 other adults

Sex

Female 52.8% · 17,992Male 47.2% · 16,112

Population by age

MaleFemale85+ years, male: 45885+ years, female: 1,01980–84 years, male: 52580–84 years, female: 73275–79 years, male: 75375–79 years, female: 79170–74 years, male: 90770–74 years, female: 1,21665–69 years, male: 96765–69 years, female: 1,19160–64 years, male: 1,52060–64 years, female: 1,37555–59 years, male: 1,00855–59 years, female: 1,10150–54 years, male: 1,31050–54 years, female: 1,13545–49 years, male: 95145–49 years, female: 99940–44 years, male: 1,16240–44 years, female: 1,10735–39 years, male: 85135–39 years, female: 78130–34 years, male: 84630–34 years, female: 71625–29 years, male: 83925–29 years, female: 87720–24 years, male: 61820–24 years, female: 94015–19 years, male: 70015–19 years, female: 1,04610–14 years, male: 1,16310–14 years, female: 1,2835–9 years, male: 8215–9 years, female: 8150–4 years, male: 7130–4 years, female: 86885+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

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 341 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

Westlake Income

$112,200median household income

Median household income

$112,200

Half of households earn more, half earn less

Median earnings

$77,362

Typical yearly pay for a worker 25 or older.

Poverty rate

4.9%

About 1 in 20 residents

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

Westlake Marital Status

55% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married55%58%52%
Never married28%29%26%
Divorced10%9%11%
Widowed7%3%11%
Separated<1%<1%<1%

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