Demographics · IL
Elgin, IL demographics: 114,934 residents, with a median age of 36.7 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).
114,934people live in Elgin, at a median age of 36.7 years (American Community Survey 2020–2024, a 5-year average)
Median age 36.7 years — younger than the U.S. median of 38.9.
ACS 2020–2024 5-year · ACS 5-Year Estimates 2020-2024 (released 2026-01-29)
In Elgin, the largest race group is White (40.6%); 48.7% of residents are Hispanic or Latino (of any race); 26.4% were born outside the United States.
ACS 2020–2024 · B01001 / B01002
The median age in Elgin is 36.7 years (±1.3), younger than the U.S. median of 38.9 years. The population is 51.0% male and 49.0% female. The largest age band is 5 to 17 at 18.5%.
| Age band | People | Share | ± margin |
|---|---|---|---|
| Under 5 | 7,851 | 6.8% | ±898 |
| 5 to 17 | 21,223 | 18.5% | ±1,282 |
| 18 to 24 | 10,547 | 9.2% | ±769 |
| 25 to 34 | 15,529 | 13.5% | ±916 |
| 35 to 44 | 15,273 | 13.3% | ±949 |
| 45 to 54 | 14,995 | 13.0% | ±1,061 |
| 55 to 64 | 13,982 | 12.2% | ±928 |
| 65 to 74 | 9,838 | 8.6% | ±926 |
| 75 and over | 5,696 | 5.0% | ±637 |
Median age by sex: 35.6 (male) · 37.8 (female).
Shares may not sum to 100% due to rounding. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B01001 sex by age, B01002 median age) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B02001 / B03003
The largest race group in Elgin is White at 40.6% of the population. Separately, 48.7% of residents are Hispanic or Latino of any race.Race and Hispanic origin are two different questions on the census form, so their shares are reported separately and are not additive.
| Race (alone, or two or more) | People | Share | ± margin |
|---|---|---|---|
| White alone | 46,619 | 40.6% | ±2,344 |
| Black or African American alone | 6,256 | 5.4% | ±1,059 |
| American Indian & Alaska Native alone | 2,614 | 2.3% | ±874 |
| Asian alone | 7,679 | 6.7% | ±1,005 |
| Native Hawaiian & Pacific Islander alone | 226 | 0.2% | ±163 · low precision |
| Some other race alone | 24,515 | 21.3% | ±1,991 |
| Two or more races | 27,025 | 23.5% | ±2,464 |
| Hispanic or Latino (of any race) | 55,973 | 48.7% | ±2,376 |
Race shares may not sum to 100% due to rounding; race and Hispanic origin are separate questions and are not additive. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B02001 race, B03003 Hispanic or Latino origin) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B11001 / B25010
Elgin has 39,317 households. 71.9% are family households and 22.7% are people living alone. The average household holds 2.88 people.
Total households
39,317
ACS 2020–2024 5-yr · B11001
Avg household size
2.88
ACS 2020–2024 5-yr · B25010 · ±0.07
Family households
71.9%
Share of all households · B11001
Living alone
22.7%
Share of all households · B11001
| Household type | Households | ± margin |
|---|---|---|
| Total households | 39,317 | ±1,048 |
| Family households | 28,275 | ±847 |
| Nonfamily households | 11,042 | ±928 |
| Householder living alone | 8,926 | ±836 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B11001 household type, B25010 average household size) · place-grain · methodology →
ACS 2020–2024 · B05002 / C16001
26.4% of Elgin residents were born outside the United States. 51.9% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (39.8%).
| Measure | Value | Source / grain |
|---|---|---|
| Foreign-born share | 26.4% | 30,295 people · B05002 |
| Speak only English at home (age 5+) | 51.9% | C16001 |
| Top non-English language at home | 39.8% | Spanish · 42,607 speakers · C16001 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B05002 place of birth, C16001 language spoken at home) · place-grain · methodology →
ACS 2020–2024 · B15003
27.0% of adults age 25 and over in Elgin hold a bachelor's degree or higher (the U.S. share is about 35%).
| Measure | Value | Source / grain |
|---|---|---|
| Bachelor's degree or higher (age 25+) | 27.0% | B15003 lines 22–25 over line 1 · place-grain |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B15003 educational attainment, population 25+) · place-grain · methodology →
Sources · provenance
The GEOID for Elgin is 1723074. Every figure on this page is a place-grain American Community Survey 5-Year 2020–2024 estimate (ACS 5-Year Estimates 2020-2024 (released 2026-01-29)) shown with its margin of error. Full per-dataset detail: /sources/.