Mill Plain CDP, Connecticut Demographics & Population 2026
As of 2026, Mill Plain CDP, Connecticut has a total population of 1,980, the 121st largest city in Connecticut, with a median household income of $190,250, which is 103% higher than the state average. The poverty rate is 3.8%.
Key Takeaways
- Household income is 103% above the state average — one of the wealthiest communities in Connecticut.
- An exceptionally low poverty rate of 3.8% — among the lowest in Connecticut.
- Unemployment rate of 18.1% is notably above the national average.
Mill Plain CDP Quick Facts
How Mill Plain CDP Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 56 | National average: 60
Education
Educational Attainment (Adults 25+)
Mill Plain CDP Rankings in Connecticut
Explore Connecticut Rankings
Cities Similar to Mill Plain CDP
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Suffield Depot CDP | 1,947 | N/A | $377,500 | 42.5% | 7.8% |
| Ridgebury CDP | 1,949 | $207,721 | $821,100 | 70.0% | 5.4% |
| Madison Center CDP | 1,818 | $190,769 | $816,800 | 70.7% | 4.0% |
| Newtown borough | 1,968 | $161,000 | $465,400 | 62.9% | 2.2% |
| Crystal Lake CDP | 1,963 | $142,642 | $345,300 | 40.9% | 1.5% |
Population Overview
Mill Plain CDP is a small community located in Connecticut. The total population is 1,980. It ranks as the 121st most populous out of 215 cities and towns in Connecticut.
Age Demographics
The median age in Mill Plain CDP is 44.3 years. This is 8% higher than the state median of 41.2 years.
Economy, Income & Housing
The median household income in Mill Plain CDP is $190,250. This is 103% higher than the state median of $93,760. Compared to the national median of $78,538, household income here is 142% higher. The poverty rate stands at 3.8%. This is 62% lower than the state poverty rate of 10.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 18.1%. This is 219% higher than the state rate of 5.7%. The median home value is $806,600. Housing costs are 135% higher than the state median of $343,200. The home-value-to-income ratio is 4.2x. 94.7% of occupied housing units are owner-occupied. This homeownership rate is 43% higher than the state average of 66.2%.
Race & Ethnicity
Mill Plain CDP has a predominantly White (non-Hispanic) population, comprising 93.3% of all residents. Hispanic or Latino residents account for 4.3%. The Hispanic or Latino population (4.3%) is well below the state average of 17.8%. The Asian population (0.7%) is well below the state average of 4.7%.
Education
74.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 78% higher than the state rate of 41.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.9%. Notably, 44.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Mill Plain CDP, Connecticut is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Connecticut state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 215 Census-designated places in Connecticut. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Mill Plain CDP, Connecticut?
Mill Plain CDP, Connecticut has a population of 1,980 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mill Plain CDP, CT?
The median household income in Mill Plain CDP is $190,250, which is 142% higher the national median of $78,538.
What is the poverty rate in Mill Plain CDP, CT?
The poverty rate in Mill Plain CDP is 3.8%. This means approximately 75 residents live below the federal poverty line.
What is the racial makeup of Mill Plain CDP, Connecticut?
Mill Plain CDP's population is 93.3% White, 0.0% Black, 4.3% Hispanic/Latino, and 0.7% Asian.
What is the median home value in Mill Plain CDP, CT?
The median home value in Mill Plain CDP is $806,600. The home-value-to-income ratio is 4.2x.
How educated is Mill Plain CDP, Connecticut?
74.5% of adults (25+) in Mill Plain CDP hold a bachelor's degree or higher, and 44.5% hold a graduate or professional degree.