Tool
Compare places
Put up to four U.S. cities, towns or census-designated places side by side on 29 figures: 22 measures from the ACS 2020-2024 5-year estimates, each with its margin, and their 2025 population estimate, growth, density, new homes and housing costs against income. A filled square marks a figure that differs from the first place by more than both margins of error allow; without it, the survey cannot tell the two apart.
How do Union, CT compare?
| Figure | Union, CT |
|---|---|
| Residents, July 2025 (estimate) | 804 |
| Change since April 2020 | +2.9% |
| Residents counted in the 2020 Census | 785 |
| Residents per square mile (2020) | 27 |
| Homes permitted in 2025 per 1,000 residents | 1.2 |
| Median home value ÷ median household income | 3.7 years of income |
| A year of median rent ÷ median income of all households (renters usually earn less) | – |
| Measure | Union, CT |
|---|---|
| Total population | 944±112 |
| Median age | 49.9±4.3 |
| Hispanic or Latino (any race) | 7.4%±6.6 pts |
| White alone, not Hispanic | 88.8%±7.8 pts |
| Black or African American alone, not Hispanic | 0.3%±0.5 pts |
| Asian alone, not Hispanic | 0.8%±1.3 pts |
| Born outside the United States | 3.3%±2.1 pts |
| Bachelor's degree or higher (age 25+) | 24.0%±6.0 pts |
| Median household income | $88,958±$13,898 |
| Per capita income | $51,347±$6,579 |
| People below the poverty line | 5.7%±3.0 pts |
| Unemployment rate | 4.6%±4.1 pts |
| Median home value (owner-occupied) | $330,400±$25,940 |
| Median gross rent | not published |
| Renters paying 35% or more of income on rent | 90.0%±13.7 pts |
| Owner-occupied homes | 92.9%±5.6 pts |
| Built 2020 or later | 0.0%±9.2 pts |
| Worked from home | 9.0%±3.9 pts |
| Drove alone to work | 81.8%±5.1 pts |
| Public transportation | 0.0%±8.5 pts |
| Mean travel time to work | 31.8 min±3.3 |
| No health insurance coverage | 1.8%±2.0 pts |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census Bureau population estimates, Vintage 2025; 2020 Census; Building Permits Survey 2025 · Check it at data.census.gov