City in Kane County, Illinois · 10 sq mi · 2,116 people per sq mi
21,114 people live in Geneva. The typical household earns $144,341, and the median resident is 43.2 years old.
2026 projection
From 21,393 in 2020
Poverty rate 3.8%
Men 41.4 · Women 44.4
1860–2026
21,114
2026 projection
1.3% since 2020 (decrease)
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.
1860–2026
21,114
2026 projection
1.3% since 2020 (decrease)
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.
| 2026 | 21,114 | -24 | 0.11% |
|---|---|---|---|
| 2025 | 21,138 | -102 | 0.48% |
| 2024 | 21,240 | +18 | 0.08% |
| 2023 | 21,222 | -4 | 0.02% |
| 2022 | 21,226 | -39 | 0.18% |
| 2021 | 21,265 | -128 | 0.60% |
| 2020 | 21,393 | -108 | 0.50% |
| 2019 | 21,501 | -134 | 0.62% |
| 2018 | 21,635 | -134 | 0.62% |
| 2017 | 21,769 | +73 | 0.34% |
Showing 10 of 31 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.
Geneva has a population change lower than Kane County, Illinois, and the U.S.
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.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 213 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
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 26 residents
62% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 62% | 66% | 58% |
| Never married | 24% | 25% | 23% |
| Divorced | 9% | 7% | 12% |
| Widowed | 4% | <1% | 7% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources