County in Illinois · 601 sq mi · 36 people per sq mi
21,532 people live in Jo Daviess County. The typical household earns $73,993, and the median resident is 51.5 years old.
2026 projection
From 22,090 in 2020
Poverty rate 7.84%
Men 49.7 · Women 52.9
1830–2026
21,532
2026 projection
2.5% since 2020 (decrease)
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.
1830–2026
21,532
2026 projection
2.5% since 2020 (decrease)
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.
| 2026 | 21,532 | -62 | 0.29% |
|---|---|---|---|
| 2025 | 21,594 | -62 | 0.29% |
| 2024 | 21,656 | -145 | 0.67% |
| 2023 | 21,801 | -62 | 0.28% |
| 2022 | 21,863 | -157 | 0.71% |
| 2021 | 22,020 | -70 | 0.32% |
| 2020 | 22,090 | +866 | 4.08% |
| 2019 | 21,224 | -125 | 0.59% |
| 2018 | 21,349 | -160 | 0.74% |
| 2017 | 21,509 | -317 | 1.45% |
Showing 10 of 34 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 219 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 13 residents
60% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 60% | 62% | 59% |
| Never married | 22% | 26% | 18% |
| Divorced | 10% | 9% | 11% |
| Widowed | 7% | 3% | 11% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
8 sources, all from the U.S. Census Bureau