Merrillville Population

1880–2026

37,534

2026 projection

2.9% since 2020 (increase)

010K20K30K40K18801900192019401960198020002020

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 Merrillville. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202637,534+1270.34%
202537,407+4341.17%
202436,973+6341.74%
202336,339+1000.28%
202236,239-1570.43%
202136,396-660.18%
202036,462+1,6164.64%
201934,846+700.20%
201834,776-310.09%
201734,807-1800.51%

Showing 10 of 23 years.

Merrillville Demographics

42.4median age

Median age

Female45.5 yrs
Male39.4 yrs

Adults

29,016
7,540 seniors · 26%21,476 other adults

Sex

Female 52.2% · 19,023Male 47.8% · 17,453

Population by age

MaleFemale85+ years, male: 29285+ years, female: 50480–84 years, male: 23480–84 years, female: 70075–79 years, male: 30675–79 years, female: 73070–74 years, male: 94170–74 years, female: 95965–69 years, male: 1,39265–69 years, female: 1,48260–64 years, male: 1,21260–64 years, female: 1,28955–59 years, male: 1,14455–59 years, female: 1,45950–54 years, male: 99850–54 years, female: 1,30845–49 years, male: 89745–49 years, female: 1,19740–44 years, male: 1,24740–44 years, female: 1,00135–39 years, male: 76935–39 years, female: 1,24630–34 years, male: 1,07830–34 years, female: 1,23525–29 years, male: 96725–29 years, female: 94620–24 years, male: 1,32320–24 years, female: 1,21115–19 years, male: 1,82215–19 years, female: 1,13510–14 years, male: 1,24510–14 years, female: 9215–9 years, male: 1,0245–9 years, female: 8750–4 years, male: 5620–4 years, female: 82585+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

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 365 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

Merrillville Income

$67,587median household income

Median household income

$67,587

Half of households earn more, half earn less

Median earnings

$49,635

Typical yearly pay for a worker 25 or older.

Poverty rate

12.6%

About 1 in 8 residents

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

Merrillville Marital Status

37% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married37%40%35%
Never married39%45%34%
Divorced14%12%16%
Widowed8%2%13%
Separated1%1%2%

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