South Elgin Population

1890–2026

25,943

2026 projection

8.9% since 2020 (increase)

05K10K15K20K25K30K1900192019401960198020002020

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 South Elgin. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202625,943+2871.12%
202525,656+6832.73%
202424,973+6102.50%
202324,363+3511.46%
202224,012+790.33%
202123,933+1100.46%
202023,823-9423.80%
201924,765+1,3745.87%
201823,391+9364.17%
201722,455+990.44%

Showing 10 of 29 years.

South Elgin Demographics

39median age

Median age

Female42.2 yrs
Male36.5 yrs

Adults

18,686
2,979 seniors · 16%15,707 other adults

Sex

Female 47.3% · 11,464Male 52.7% · 12,753

Population by age

MaleFemale85+ years, male: 9585+ years, female: 29780–84 years, male: 6880–84 years, female: 11875–79 years, male: 33575–79 years, female: 31870–74 years, male: 28070–74 years, female: 73265–69 years, male: 42065–69 years, female: 31660–64 years, male: 44260–64 years, female: 55655–59 years, male: 88455–59 years, female: 83550–54 years, male: 1,08350–54 years, female: 91945–49 years, male: 1,20845–49 years, female: 1,30340–44 years, male: 77140–44 years, female: 57135–39 years, male: 1,02035–39 years, female: 1,13930–34 years, male: 85130–34 years, female: 67925–29 years, male: 92425–29 years, female: 62620–24 years, male: 73720–24 years, female: 76115–19 years, male: 1,11715–19 years, female: 53910–14 years, male: 95910–14 years, female: 6805–9 years, male: 1,0255–9 years, female: 5490–4 years, male: 5340–4 years, female: 52685+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

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 242 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

South Elgin Income

$127,203median household income

Median household income

$127,203

Half of households earn more, half earn less

Median earnings

$69,473

Typical yearly pay for a worker 25 or older.

Poverty rate

6.5%

About 1 in 16 residents

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

South Elgin Marital Status

57% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married57%56%57%
Never married30%36%25%
Divorced7%4%11%
Widowed4%2%7%
Separated2%2%<1%

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