Danielson, Connecticut
Looking down Main St.
Location in Windham County and the state of Connecticut.
Coordinates: 41°48′29″N 71°53′03″W / 41.80806°N 71.88417°W / 41.80806; -71.88417Coordinates: 41°48′29″N 71°53′03″W / 41.80806°N 71.88417°W / 41.80806; -71.88417
CountryUnited States
 • Total1.16 sq mi (3.00 km2)
 • Land1.09 sq mi (2.83 km2)
 • Water0.07 sq mi (0.17 km2)
223 ft (68 m)
 • Total4,051
 • Estimate 
 • Density3,667.28/sq mi (1,416.29/km2)
Time zoneUTC−5 (Eastern (EST))
 • Summer (DST)UTC−4 (EDT)
ZIP Code
Area code(s)860
FIPS code09-18780
GNIS feature ID0206590

Danielson is a borough in the town of Killingly in Windham County, Connecticut, United States. The population was 4,051 at the 2010 census.


Railroad Square, around 1918
Railroad Square, around 1918

Danielson was originally named "Danielsonville" for Gen. James Danielson, the builder of the first house in the settlement. It was renamed Danielson in 1895.[3]

Historic districts

Danielson is the site of two historic districts listed on the National Register of Historic Places:

It additionally is home to the Temple Beth Israel synagogue, which was added to the National Register of Historic Places in 2003.[4] Danielson is also home to the CT State Police barracks "D".


According to the United States Census Bureau, the borough has a total area of 1.2 square miles (3.1 km2), of which 1.1 square miles (2.8 km2) is land and 0.1 square miles (0.26 km2) (9.02%) is water.


Historical population
Census Pop.
2019 (est.)4,012[2]−1.0%
U.S. Decennial Census[5]

See also: List of Connecticut locations by per capita income

As of the census[6] of 2010, there were 4,051 people, 1,627 households, and 975 families residing in the borough. The population density was 3,682.7 people per square mile (1,446.8/km2). There were 1,627 housing units at an average density of 1,479.0/sq mi (681.1/km2). The racial makeup of the borough was 88.7% White, 2.8% African American, 0.5% Native American, 2.9% Asian, 1.5% from other races, and 3.5% from two or more races. Hispanic or Latino of any race were 5.7% of the population.

The borough of Danielson and the town of Killingly are home to a small Laotian community. Both Danielson and Killingly are on the nation's list of top 50 cities with the highest percentage of citizens claiming Laotian ancestry.[citation needed] The first Laotian family came to Danielson in September 1979. They were sponsored by a local couple, Daniel and Carolyn O'Leary. The O'Leary family proceeded to sponsor nearly 500 Laotian refugees over the next decade.[7]

Of the 1,627 households: 29.9% had children under the age of 18 living with them, 34.4% were married couples living together, 17.9% had a female householder with no husband present, and 40.1% were non-families. Of all households 30.2% were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.99.

In the borough, the population was spread out, with 24.0% under the age of 18, 10.9% from 18 to 24, 30.6% from 25 to 44, 24.5% from 45 to 64, and 10.0% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 96.9 males. For every 100 females age 18 and over, there were 95.9 males.

The median income for a household in the borough was $58,933, and the median income for a family was $62,803. Males had a median income of $44,235 versus $34,236 for females. The per capita income for the borough was $23,935. About 9.6% of families and 14.1% of the population were below the poverty line, including 21.1% of those under age 18 and 6.8% of those age 65 or over.


Danielson Airport is a state owned, public use airport located two nautical miles (4 km) northwest of the central business district of Danielson.[8] I-395 runs north and south through the town, and is the primary road for the borough. US 6 is the east-west road through the town, and severs the southern part of downtown. Route 12 runs through and severs downtown.

Notable people

See also


  1. ^ "2019 U.S. Gazetteer Files". United States Census Bureau. Retrieved July 2, 2020.
  2. ^ a b "Population and Housing Unit Estimates". United States Census Bureau. May 24, 2020. Retrieved May 27, 2020.
  3. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. pp. 99.
  4. ^ a b c "National Register Information System". National Register of Historic Places. National Park Service. April 15, 2008.
  5. ^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2015.
  6. ^ "U.S. Census website". United States Census Bureau. Retrieved 2008-01-31.
  7. ^ Norwich Bulletin Archives
  8. ^ FAA Airport Form 5010 for LZD PDF. Federal Aviation Administration. Effective May 31, 2012.