West Lafayette Population

1880–2026

46,089

2026 projection

3.2% since 2020 (increase)

010K20K30K40K50K60K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual 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 West Lafayette. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202646,089+3420.75%
202545,747-2750.60%
202446,022+9722.16%
202345,050+130.03%
202245,037+670.15%
202144,970+3160.71%
202044,654-6,18212.16%
201950,836+1,8393.75%
201848,997+1,4663.08%
201747,531-60.01%

Showing 10 of 30 years.

West Lafayette Demographics

21.4median age

Median age

Female21.5 yrs
Male21.3 yrs

Adults

41,433
3,341 seniors · 8%38,092 other adults

Sex

Female 44.3% · 19,991Male 55.7% · 25,168

Population by age

MaleFemale85+ years, male: 40985+ years, female: 60580–84 years, male: 12080–84 years, female: 16775–79 years, male: 19375–79 years, female: 24470–74 years, male: 35070–74 years, female: 42465–69 years, male: 39865–69 years, female: 43160–64 years, male: 43860–64 years, female: 29055–59 years, male: 48555–59 years, female: 75150–54 years, male: 60450–54 years, female: 49745–49 years, male: 62245–49 years, female: 45940–44 years, male: 58140–44 years, female: 53935–39 years, male: 50635–39 years, female: 60530–34 years, male: 84130–34 years, female: 66725–29 years, male: 1,49125–29 years, female: 80620–24 years, male: 9,39520–24 years, female: 6,98815–19 years, male: 7,40615–19 years, female: 4,87610–14 years, male: 51810–14 years, female: 7085–9 years, male: 3255–9 years, female: 5520–4 years, male: 4860–4 years, female: 38285+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45K5K

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 452 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

West Lafayette Income

$34,891median household income

Median household income

$34,891

Half of households earn more, half earn less

Median earnings

$56,280

Typical yearly pay for a worker 25 or older.

Poverty rate

37.3%

About 1 in 3 residents

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

West Lafayette Marital Status

21% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married21%18%24%
Never married74%79%69%
Divorced3%2%4%
Widowed2%1%4%
Separated<1%<1%<1%

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

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year