Demographics & People — Janesville, Illinois
Population Overview
| Population (Census) | 14 |
|---|
| Estimated 2026 | ~400 |
|---|
| Median Age | 50.1 |
|---|
| Total Households | 7 |
|---|
| Family Households | 7 |
|---|
| Average Household Size | 2.0 |
|---|
| Diversity Index | N/A (N/A) |
|---|
Race & Ethnicity
| White | 14 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 0 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 44 |
| Other groups | 30 |
| Dutch | 8 |
Language
| English Only | 14 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 14 |
|---|
Veterans
| Veterans | 0 |
|---|
| Population 18+ | 44 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013 (county fallback). Data for Janesville, Illinois.
