Unified School District · CT
Killingly School District
Killingly School District is a unified school district in Connecticut with a community population of 17,867. The median household income is $84,350 and the median age is 39.5.
17,867
Population
370
People / sq mi
$84,350
Median Income
39.5
Median Age
Killingly School District covers 48 sq mi of land at 369.6 people per square mile.
Race & Ethnicity
| White | 86.3% |
| Black or African American | 0.1% |
| Asian | 71.8% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$84,350
Median Household Income
$40,277
Per Capita Income
7.3%
Poverty Rate
6.9%
Unemployment
Housing
$288,600
Median Home Value
$1,044
Median Rent
71.6%
Homeownership
Education Attainment
90.2%
High School+
22.9%
Bachelor's+
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State rankings
Frequently Asked Questions
Killingly School District serves a community with a population of 17,867 according to the latest Census ACS 5-Year estimates. This unified school district is located in Connecticut.
The median household income in Killingly School District is $84,350, with a per capita income of $40,277. The poverty rate is 7.3%.
Killingly School District is 86.3% White, 0.1% Black or African American, 71.8% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Killingly School District, 90.2% of adults have a high school diploma or higher, and 22.9% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Killingly School District is $288,600, with a median rent of $1,044. The homeownership rate is 71.6%.
More from Connecticut
Data for Killingly School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 0902070).
For this entity, the underlying data on this page comes from the U.S. Census Bureau ACS and decennial files. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
Every number on this page links back to the U.S. Census Bureau ACS and decennial files; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. states, metros, cities, and ZIPs with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Census Bureau ACS, 2026.