Aurora: Demographics & People
Aurora is home to 179,898 people, in 61,317 households. Population grew 0.0% from 179,867 (2022) to 179,898 (2024). Median age 35.2 years. (3.6y younger than Kane County; 2.5y younger than Illinois). Children under 18 are 25% of the population. Population is 42% Hispanic or Latino and 32% White (non-Hispanic). The community is highly diverse (Simpson index 0.66). 73% of households are family-led. County is losing 16,484 residents per year (2022-2023). County health: 29% adult obesity, 10% smoke.
- 2.9 people per household (vs Illinois avg 2.5).
- 27% non-family households (singles, roommates) (vs Illinois 38%).
- 57 dependents per 100 working-age (youth + seniors / 18-64) (vs Illinois 64).
Population & Trend
Population grew 0.0% from 179,867 (2022) to 179,898 (2024) — close to the U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~179,933 (extrapolated at 0.0%/yr trend).
| Census data vintage | 2024 |
|---|---|
| Population | 932,877 people |
| Annual growth rate · Population change | 0.0% |
| Annual growth rate · Population (2022) | 179,867 |
| Annual growth rate · Population (2024) | 179,898 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | stable |
| Population | 179,898 people (vs Illinois 39,460) |
| Population Estimate | 179,986 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 35.2y is 3.7 years younger than the U.S. median (38.9y). Children under 18 make up 25% — above the U.S. share of ~22%.
| Age Summary · Median age | 35.2 years (vs Illinois 37.7y) |
|---|---|
| Age Summary · Children Pct | 25.2% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 179,898 |
| Age Summary · Under 18 | 45,358 |
| Age Summary · 18 To 34 | 44,138.0× |
| Age Summary · 35 To 64 | 70,522.0× |
| Age Summary · 65 Plus | 19,880 |
| Population under 18 | 45,358 |
| Median age | 35.2 years (vs Illinois 37.7y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 179,898 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.66 (0 = single group, 1 = perfectly even distribution); this is read as highly diverse.
| White residents | 75,835 |
|---|---|
| Black residents | 19,657 |
| Asian residents | 19,809 |
| Hispanic or Latino residents | 76,910 |
| Diversity Index · Diversity index (Simpson) | 66.3% |
| Diversity Index · Diversity label | highly diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 40.0% |
| Asian population | 12.2% (vs Illinois 6.1%) |
| Black population | 10.7% (vs Illinois 9.3%) |
| Hispanic or Latino population | 41.6% (vs Illinois 17.6%) |
| White (non-Hispanic) population | 32.2% (vs Illinois 54.8%) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Ancestry
Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.
Top (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 2.2% are foreign-born — below the U.S. average of 13.9%. 26% have naturalized to U.S. citizenship.
| Residents born in this state | 103,947 |
|---|---|
| Residents born in another state | 24,366 |
| Share born in this state | 57.8% |
| Share born in another state | 42.2% |
| Native-born U.S. citizens | 13.5% |
| Foreign-born residents | 2.2% |
| Naturalized citizens | 26.4% |
| Total foreign-born residents | 46,399 |
| From Europe | 2,892 |
| From Asia | 31 |
| From Africa | 13,800 |
| From Latin America | 744 |
| Census Foreign Born · Caribbean | 168 |
| Census Foreign Born · South America | 228 |
Households & Family Composition
61,317 households. Averaging 3.0 people each — larger than the U.S. average of 2.5. 73% are family households — above the U.S. share of ~65%. Of 44,696 families, 34% are married couples with children.
| Children under 18 | 47,862 |
|---|---|
| Total families | 44,696 |
| Married couples with children | 15,397 |
| Single-parent households | 2,464 |
| Average household size | 2.95 |
| Women who gave birth (past year) | 10.9% |
| Grandparents living with grandchildren | 2,627 |
| Grandparents responsible for grandchildren | 1,135 |
| Family households | 44,980 households (vs Illinois 9,709) |
| Households that are families | 73.4% (vs Illinois 62.4%) |
| Total households | 61,317 households (vs Illinois 14,867) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 11.9% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 16,484 residents per year on net (IRS migration data).
| Moved within the county (past year) | 11.9% |
|---|---|
| Migration · People moving in (annual) | 905,072 |
| Migration · People moving out (annual) | 921,556 |
| Migration · Net migration (in − out) | -16,484 |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2021-2022 · Refreshed 2026-04-12
Disability
Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.
| Residents with a disability | 7,198 |
|---|---|
| Disability rate | 4.0% |
Group Quarters
Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 1,665 residents live in group quarters (0.9% of population).
| Living in group quarters | 1,665 |
|---|
Other
| Congressional District · District | 11 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 17043 |
| Cdc Birth Rate · State Fips | 17 |
| Cdc Birth Rate · County Fips | 043 |
| Cdc Birth Rate · County | Du Page |
| Cdc Birth Rate · Birth Rate | 6.1% |
| Cdc Birth Rate · Lower Ci | 5.70 |
| Cdc Birth Rate · Upper Ci | 6.60 |
| Cdc Mortality · Fips | 17043 |
| Cdc Mortality · County | DuPage County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 27,137 |
| Cdc Vaccination · Fips | 17043 |
| Cdc Vaccination · County | DuPage County |
| Cdc Vaccination · Dose1 Pop Pct | 85.9% |
| Cdc Vaccination · Series Complete Pct | 79.6% |
| Cdc Vaccination · Booster Pct | 62.0% |
| Cdc Vaccination · Population 2019 | 922,921 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 53 |
| Family Score · Childcare Centers | 24 |
| Family Score · Children Pct | 25.2% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 179,898, stable, family-oriented, upper-middle, mixed |
| Town Summary · Population | 179,898 people (vs Illinois 39,460) |
| Town Summary · County | DuPage County |
Sources: NCES school congressional district assignment · federal dataset cascade