Census-designated place · Connecticut
Conning Towers-Nautilus Park, Connecticut
Conning Towers-Nautilus Park, census-designated place, in Southeastern Connecticut Planning Region, Connecticut. Conning Towers-Nautilus Park had 8,460 people in the ACS 2020-2024 5-year estimates (±724). GEOID 0916960.
Residents, 2020-2024
8,460
±724 (90% margin)
2020 Census count: 8,870
Median household income
$81,694
±$9,207 (90% margin)
Connecticut: $95,781
Median home value
$290,100
±$35,969 (90% margin)
Connecticut: $366,900
Median gross rent
$1,856
±$57 (90% margin)
Connecticut: $1,488
Where is Conning Towers-Nautilus Park and what county is it in?
Conning Towers-Nautilus Park is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in Southeastern Connecticut Planning Region, Connecticut. It covers 5.2 square miles of land, 1,706 residents per square mile in 2020.
Conning Towers-Nautilus Park is in the Norwich-New London-Willimantic, CT metropolitan statistical area (Census Bureau delineation, July 2023).
Conning Towers-Nautilus Park lies entirely within Groton, a town with its own local government (2020 census blocks).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Conning Towers-Nautilus Park, and is it growing?
The 2020-2024 American Community Survey puts Conning Towers-Nautilus Park's population at 8,460 (±724). The 2020 Census counted 8,870 residents.
The Census Bureau publishes yearly population estimates for incorporated places only; Conning Towers-Nautilus Park is a census-designated place, so its figures come from the ACS and the 2020 Census.
| Measure | Conning Towers-Nautilus Park | Southeastern Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Total population | 8,460 ±724 | 279,971 | −1,325 |
| Households | 2,529 ±329 | 115,768 | no clear change |
| Average household size | 2.81 ±0.25 | 2.32 | no clear change |
| Housing units | 2,762 ±304 | 126,425 | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Conning Towers-Nautilus Park?
The median resident of Conning Towers-Nautilus Park is 25.0 years old; 26.5% are under 18 and 7.3% are 65 or older. The largest group is non-Hispanic white residents at 60.5%, then Hispanic or Latino residents (of any race) at 19.1%. 2.8% of residents were born outside the United States.
| Measure | Conning Towers-Nautilus Park | Southeastern Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median age | 25.0 ±1.2 | 41.1 | no clear change |
| Under 18 years | 26.5% ±3.9 pts | 19.3% | – |
| 65 years and over | 7.3% ±3.3 pts | 19.5% | – |
| Male | 57.1% ±3.3 pts | 50.0% | – |
| Hispanic or Latino (any race) | 19.1% ±5.4 pts | 15.0% | no clear change |
| White alone, not Hispanic | 60.5% ±7.3 pts | 70.6% | no clear change |
| Black or African American alone, not Hispanic | 6.5% ±2.8 pts | 4.9% | no clear change |
| Asian alone, not Hispanic | 3.2% ±1.8 pts | 3.7% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.2 pts | 0.3% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.5 pts | 0.0% | – |
| Two or more races, not Hispanic | 10.5% ±5.0 pts | 4.8% | – |
| Some other race alone, not Hispanic | 0.1% ±0.2 pts | 0.6% | – |
| Born outside the United States | 2.8% ±1.4 pts | 8.8% | no clear change |
| Speak a language other than English at home (age 5+) | 8.2% ±2.7 pts | 15.3% | – |
| Civilian veterans (age 18+) | 13.0% ±4.2 pts | 8.0% | – |
| With a disability | 13.6% ±4.8 pts | 14.8% | – |
| No health insurance coverage | 3.2% ±1.8 pts | 4.7% | – |
| High school graduate or higher (age 25+) | 97.0% ±2.9 pts | 92.8% | – |
| Bachelor's degree or higher (age 25+) | 30.3% ±7.1 pts | 35.8% | +11.5 pts |
| Graduate or professional degree (age 25+) | 11.8% ±3.7 pts | 16.0% | – |
| Lived in the same house a year earlier | 64.0% ±7.0 pts | 88.1% | – |
| Moved from another state in the past year | 27.2% ±5.8 pts | 3.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Conning Towers-Nautilus Park earn?
Half of Conning Towers-Nautilus Park's 2,529 households earn less than $81,694 a year (±$9,207), against $86,586 in Southeastern Connecticut Planning Region and $95,781 in Connecticut. In 2015-2019 the median was $69,471 in 2024 dollars, so it rose by $12,223 after inflation. 7.1% of residents live below the poverty line.
| Measure | Conning Towers-Nautilus Park | Southeastern Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $81,694 ±$9,207 | $86,586 | +$12,223 |
| Mean household income | $100,096 ±$13,260 | $111,769 | – |
| Per capita income | $35,414 ±$4,584 | $47,133 | +$6,912 |
| People below the poverty line | 7.1% ±4.1 pts | 10.7% | no clear change |
| Children under 18 below the poverty line | 10.6% ±8.2 pts | 15.1% | – |
| Households receiving SNAP | 8.4% ±4.0 pts | 12.4% | – |
| Households with a computer | 99.3% ±0.4 pts | 95.2% | – |
| Households with a broadband subscription | 90.4% ±7.1 pts | 91.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Conning Towers-Nautilus Park?
Owners occupy 20.8% of Conning Towers-Nautilus Park's occupied homes and renters 79.2%. The median owner-occupied home is valued at $290,100 by its owner (±$35,969). The median renter pays $1,856 a month including utilities, and 36.3% of renters pay 35% or more of their income on rent.
| Measure | Conning Towers-Nautilus Park | Southeastern Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $290,100 ±$35,969 | $323,400 | no clear change |
| Median gross rent | $1,856 ±$57 | $1,365 | −$225 |
| Renters paying 35% or more of income on rent | 36.3% ±8.4 pts | 40.7% | −15.9 pts |
| Median monthly owner costs, with a mortgage | $2,101 ±$274 | $2,140 | – |
| Owner-occupied homes | 20.8% ±7.1 pts | 65.1% | no clear change |
| Renter-occupied homes | 79.2% ±7.1 pts | 34.9% | – |
| Housing units | 2,762 ±304 | 126,425 | no clear change |
| Homeowner vacancy rate | 3.8% ±4.2 pts | 0.6% | – |
| Rental vacancy rate | 5.6% ±5.6 pts | 4.4% | – |
| Single-family detached homes | 21.9% ±8.4 pts | 61.1% | – |
| Mobile homes | 0.0% ±1.5 pts | 2.3% | – |
| Built 2020 or later | 1.1% ±1.5 pts | 0.8% | – |
| Built 2010 to 2019 | 7.7% ±4.4 pts | 4.0% | – |
| Built 1939 or earlier | 6.0% ±4.4 pts | 23.6% | – |
| Households with no vehicle | 1.3% ±1.2 pts | 7.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Conning Towers-Nautilus Park work and get to work?
58.4% of Conning Towers-Nautilus Park's workers drive alone and 20.3% work from home. The average trip to work takes 13.7 minutes.
| Measure | Conning Towers-Nautilus Park | Southeastern Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 75.1% ±5.3 pts | 64.0% | – |
| Unemployment rate | 6.4% ±4.4 pts | 5.0% | – |
| Drove alone to work | 58.4% ±6.2 pts | 75.5% | – |
| Carpooled | 8.6% ±4.5 pts | 7.0% | – |
| Public transportation | 0.2% ±0.4 pts | 1.4% | – |
| Walked | 11.9% ±3.1 pts | 2.9% | – |
| Worked from home | 20.3% ±5.2 pts | 11.7% | no clear change |
| Mean travel time to work | 13.7 min ±1.4 | 23.9 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Conning Towers-Nautilus Park?
3 census tracts lie mostly in Conning Towers-Nautilus Park, and 1 more reaches into it (2020 census blocks). Their median household incomes run from $81,020 (Tract 7023) to $81,545 (Tract 8702).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 8702Southeastern Connecticut Planning Region | 6,126 | $81,545 |
| Tract 7023Southeastern Connecticut Planning Region | 2,135 | $81,020 |
| Tract 9800Southeastern Connecticut Planning Region | 1,232 | not published |
| Tract 7021Southeastern Connecticut Planning Region | 4,575 | $128,750 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Conning Towers-Nautilus Park) · Census block assignment files
How does Conning Towers-Nautilus Park compare with other places in Connecticut?
Conning Towers-Nautilus Park ranks 237th of 294 places in Connecticut with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population (ACS 2020-2024) | 124th | 303 |
| Residents per square mile | 73rd | 303 |
| Median household income | 237th | 294 |
| Per capita income | 280th | 303 |
| Median home value | 230th | 300 |
| Median gross rent | 63rd | 266 |
| Poverty rate | 88th | 202 |
| Bachelor's degree or higher | 241st | 297 |
| Median age | 296th | 301 |
| Owner-occupied share | 300th | 300 |
| Work from home | 100th | 279 |
| Travel time to work | 299th | 302 |
Conning Towers-Nautilus Park's figures with every place in Connecticut (CSV)
Every place in Connecticut, sortable · Compare Conning Towers-Nautilus Park with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Conning Towers-Nautilus Park?
12 of the 57 figures for Conning Towers-Nautilus Park on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Conning Towers-Nautilus Park are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.