Westfield Population

1850–2026

70,232

2026 projection

51.3% since 2020 (increase)

020K40K60K80K186018801900192019401960198020002020

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 Westfield. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202670,232+3,9746.00%
202566,258+3,3415.31%
202462,917+5,1438.90%
202357,774+3,0985.67%
202254,676+3,9587.80%
202150,718+4,3089.28%
202046,410+1,9184.31%
201944,492+2,2455.31%
201842,247+2,1295.31%
201740,118+2,0785.46%

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

Westfield is growing faster than Hamilton County, Indiana, and the U.S.

  • Westfield+40.9%
  • Hamilton County+10.9%
  • United States+3.1%
  • Indiana+2.7%

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.

Westfield Demographics

36.9median age

Median age

Female38 yrs
Male36.1 yrs

Adults

40,515
6,957 seniors (65+) · 17% of adults33,558 other adults

Sex

Female 52.1% · 28,504Male 47.9% · 26,173

Population by age

MaleFemale85+ years, male: 11185+ years, female: 65480–84 years, male: 17880–84 years, female: 27075–79 years, male: 54175–79 years, female: 76170–74 years, male: 87970–74 years, female: 80065–69 years, male: 1,06465–69 years, female: 1,69960–64 years, male: 1,47860–64 years, female: 1,87655–59 years, male: 1,64655–59 years, female: 1,76650–54 years, male: 1,51550–54 years, female: 1,60845–49 years, male: 1,61345–49 years, female: 1,89240–44 years, male: 1,82240–44 years, female: 2,16835–39 years, male: 2,76535–39 years, female: 2,04830–34 years, male: 1,92530–34 years, female: 2,05025–29 years, male: 1,80825–29 years, female: 1,78620–24 years, male: 1,09620–24 years, female: 1,73215–19 years, male: 1,31315–19 years, female: 1,36110–14 years, male: 2,00210–14 years, female: 2,1515–9 years, male: 2,4105–9 years, female: 2,1720–4 years, male: 2,0070–4 years, female: 1,71085+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

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 547 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

Westfield Income

$122,789median household income

Median household income

$122,789

Half of households earn more, half earn less

Median earnings

$74,169

Typical yearly pay for a worker 25 or older.

Poverty rate

3.6%

About 1 in 27 residents

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

Westfield Marital Status

64% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married64%69%60%
Never married22%22%22%
Divorced9%7%11%
Widowed4%2%6%
Separated<1%<1%1%

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

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources