Elgin Population

1860–2026

115.57K

2026 projection

0.7% since 2020 (increase)

020K40K60K80K100K120K186018801900192019401960198020002020

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 Elgin. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026115,569+930.08%
2025115,476+4880.42%
2024114,988+1,0000.88%
2023113,988+6780.60%
2022113,310-7500.66%
2021114,060-7370.64%
2020114,797-470.04%
2019114,844-2630.23%
2018115,107-1300.11%
2017115,237+2710.24%

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

Elgin is growing faster than Illinois, and slower than Kane County and the U.S.

  • United States+3.1%
  • Kane County+1.8%
  • Elgin+0.8%
  • Illinois−0.6%

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.

Elgin Demographics

36.7median age

Median age

Female37.8 yrs
Male35.6 yrs

Adults

85,860
15,534 seniors (65+) · 18% of adults70,326 other adults

Sex

Female 49% · 56,358Male 51% · 58,576

Population by age

MaleFemale85+ years, male: 44285+ years, female: 1,18380–84 years, male: 79380–84 years, female: 89475–79 years, male: 1,13875–79 years, female: 1,24670–74 years, male: 1,71970–74 years, female: 2,51765–69 years, male: 2,96965–69 years, female: 2,63360–64 years, male: 3,35560–64 years, female: 3,50855–59 years, male: 3,60455–59 years, female: 3,51550–54 years, male: 3,55750–54 years, female: 3,38245–49 years, male: 4,09745–49 years, female: 3,95940–44 years, male: 3,99440–44 years, female: 3,95035–39 years, male: 4,06535–39 years, female: 3,26430–34 years, male: 4,11030–34 years, female: 3,62825–29 years, male: 4,24425–29 years, female: 3,54720–24 years, male: 3,45420–24 years, female: 4,04315–19 years, male: 4,36915–19 years, female: 4,31110–14 years, male: 4,17010–14 years, female: 4,0395–9 years, male: 4,1075–9 years, female: 3,2770–4 years, male: 4,3890–4 years, female: 3,46285+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K

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 1,149 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

Elgin Income

$90,282median household income

Median household income

$90,282

Half of households earn more, half earn less

Median earnings

$48,125

Typical yearly pay for a worker 25 or older.

Poverty rate

9.8%

About 1 in 10 residents

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

Elgin Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%50%46%
Never married36%38%34%
Divorced10%9%11%
Widowed5%2%7%
Separated2%2%2%

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

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources