Romeoville Population

1900–2026

41,441

2026 projection

1.5% since 2020 (increase)

010K20K30K40K50K1900192019401960198020002020

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 Romeoville. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202641,441+1600.39%
202541,281-1690.41%
202441,450+1200.29%
202341,330+1660.40%
202241,164-7561.80%
202141,920+1,1112.72%
202040,809+1,1012.77%
201939,708+1570.40%
201839,551-440.11%
201739,595-1190.30%

Showing 10 of 28 years.

Romeoville Demographics

35.5median age

Median age

Female36.4 yrs
Male34.9 yrs

Adults

32,101
4,787 seniors · 15%27,314 other adults

Sex

Female 51.9% · 21,374Male 48.1% · 19,778

Population by age

MaleFemale85+ years, male: 17685+ years, female: 50680–84 years, male: 24880–84 years, female: 38775–79 years, male: 36175–79 years, female: 57670–74 years, male: 48870–74 years, female: 57165–69 years, male: 65865–69 years, female: 81660–64 years, male: 1,15460–64 years, female: 1,12755–59 years, male: 1,42255–59 years, female: 1,31450–54 years, male: 1,24250–54 years, female: 1,63945–49 years, male: 1,46745–49 years, female: 1,65640–44 years, male: 1,55140–44 years, female: 1,30035–39 years, male: 1,09835–39 years, female: 1,15330–34 years, male: 1,57930–34 years, female: 1,76525–29 years, male: 1,16225–29 years, female: 1,69920–24 years, male: 1,72020–24 years, female: 1,78415–19 years, male: 1,81115–19 years, female: 1,71510–14 years, male: 93710–14 years, female: 1,2335–9 years, male: 1,3575–9 years, female: 9260–4 years, male: 1,3470–4 years, female: 1,20785+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 412 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

Romeoville Income

$106,325median household income

Median household income

$106,325

Half of households earn more, half earn less

Median earnings

$52,686

Typical yearly pay for a worker 25 or older.

Poverty rate

5.5%

About 1 in 18 residents

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

Romeoville Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%51%44%
Never married38%40%37%
Divorced8%6%10%
Widowed5%2%8%
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