How many people live in Naugatuck Valley Planning Region, CT?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 462,200 people living in Naugatuck Valley Planning Region, CT. That makes Naugatuck Valley Planning Region the fourth-most populous planning region in Connecticut. It is home to 12.5% of people living in the state.
462K
population of Naugatuck Valley Planning Region, CT (2024)
12.5%
County share of the Connecticut population (2024)
About 462,200 people lived in Naugatuck Valley Planning Region, CT in 2024.
Population estimates, 2020–2024
What are Naugatuck Valley Planning Region, CT’s age demographics?
About 92,900 Naugatuck Valley Planning Region, CT residents are aged 65 and older in 2024. That represents 20.1% of its population. For comparison, the age group represents 19.5% of Connecticut’s population and 18% in the US overall.
Another 92,400 Naugatuck Valley Planning Region residents, or 20% of the population, were children under 18. For comparison, the age group represents 19.8% of Connecticut’s population and 21.6% in the US overall.
A higher share of Naugatuck Valley Planning Region, CT's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Naugatuck Valley Planning Region, CT’s racial and ethnic demographics?
Non-Hispanic white residents make up 59.6% of the Naugatuck Valley Planning Region, CT population, higher than the national share of 57.5%. Naugatuck Valley Planning Region, CT also has a larger share of people identifying as Hispanic (21.4%) than the US overall (20%).
In contrast, Naugatuck Valley Planning Region’s non-Hispanic Asian population accounts for 4.4%, below the 6.5% nationwide, and the non-Hispanic two or more races population makes up 1.9% of the region, compared with 2.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Naugatuck Valley Planning Region, CT has a higher share of a Hispanic population than Connecticut as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Naugatuck Valley Planning Region, CT is Waterbury with about 115,900 residents in 2024.
Cities and towns in Naugatuck Valley Planning Region, CT ranked by population
Population (2024), includes only portions within planning region
| City or town | Population | |
|---|---|---|
| 1. | Waterbury | 115,908 |
| 2. | Bristol | 62,195 |
| 3. | Shelton | 42,805 |
| 4. | Naugatuck borough | 32,116 |
| 5. | Cheshire | 30,610 |
| 6. | Watertown | 22,497 |
| 7. | Southbury | 20,342 |
| 8. | Ansonia | 19,195 |
| 9. | Seymour | 17,139 |
| 10. | Wolcott | 16,511 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
