Population 6,058 · Census ACS 2020–24
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Population and households in Killingworth
Household size in Killingworth
| Period | Killingworth | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.71 | 2.51 | 2.57 | 2.68 |
| 2010–14 | 2.63 | 2.52 | 2.61 | 2.73 |
| 2015–19 | 2.81 | 2.49 | 2.57 | 2.71 |
| 2020–24 | 2.55 | 2.47 | 2.55 | 2.65 |
| Change | −0.17 | −0.04 | −0.02 | −0.03 |
Households in Killingworth run a little small, averaging 2.55 people against 2.65 nationally, which usually means more singles and couples and fewer children. Household size has dropped from 2.71 in 2006–10, a much bigger shift than nationally. Households are largest in the center and smallest in the east.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Killingworth
| Period | Killingworth | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 46.8 | 40.4 | 40.0 | 37.7 |
| 2010–14 | 48.5 | 41.2 | 41.0 | 38.6 |
| 2015–19 | 47.2 | 41.9 | 42.0 | 39.6 |
| 2020–24 | 50.6 | 41.9 | 42.1 | 40.1 |
| Change | +3.8 | +1.5 | +2.1 | +2.3 |
Killingworth skews older: half of its residents are older than 50.6, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. The median age has climbed from 46.8 in 2006–10, mirroring the country. Of the 145 Connecticut cities with 5,000+ people, only 13 are older.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Killingworth
| Period | Killingworth | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.6% | 11.4% | 11.2% | 12.3% |
| 2010–14 | 4.2% | 12.1% | 11.6% | 12.3% |
| 2015–19 | 7.0% | 10.7% | 10.8% | 11.6% |
| 2020–24 | 3.0% | 11.0% | 11.4% | 11.6% |
| Change | −4.6 pts | −0.4 pts | +0.2 pts | −0.6 pts |
Single parents head only 3.0% of households in Killingworth, well below the national share of 11.6%. Since 2006–10, the single-parent share has fallen 4.6 points, a much bigger shift than nationally. Only one other Connecticut city with 5,000+ people has a lower share of single-parent households.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Killingworth
Renters in Killingworth
| Period | Killingworth | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.2% | 31.0% | 30.8% | 33.3% |
| 2010–14 | 5.5% | 32.4% | 32.7% | 35.6% |
| 2015–19 | 5.6% | 33.7% | 33.9% | 36.0% |
| 2020–24 | 3.3% | 32.7% | 33.5% | 34.8% |
| Change | +1.1 pts | +1.7 pts | +2.7 pts | +1.5 pts |
Killingworth is overwhelmingly a place of homeowners: only 3.3% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. More than a third of owners (36.9%) have paid off their mortgages, about the same as nationally. Only two of the 145 Connecticut cities with 5,000+ people have a lower share of renters.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Killingworth
| Period | Killingworth | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.3% | 8.0% | 8.8% | 11.4% |
| 2010–14 | 8.8% | 8.2% | 9.5% | 11.4% |
| 2015–19 | 4.0% | 9.2% | 10.2% | 11.1% |
| 2020–24 | 9.3% | 7.7% | 7.9% | 9.6% |
| Change | +6.0 pts | −0.3 pts | −0.9 pts | −1.8 pts |
About as many homes sit empty in Killingworth as nationally: 9.3%, against 9.6%. The rate is higher than in the Hartford area overall (7.7%). Vacancy is up 6.0 points from 2006–10, even as the national rate fell.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Killingworth
| Period | Killingworth | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 1983 | 1964 | 1963 | 1974 |
| 2010–14 | 1983 | 1965 | 1964 | 1975 |
| 2015–19 | 1979 | 1966 | 1964 | 1977 |
| 2020–24 | 1986 | 1967 | 1967 | 1980 |
| Change | +4 | +4 | +4 | +6 |
Homes in Killingworth are newer than the national norm: the median home was built in 1986, versus 1980 across the U.S. The median year built has moved up from 1983 in 2006–10, a sign of steady new building. The newest homes are mostly in the east, the oldest in the northwest. Only one other Connecticut city with 5,000+ people has newer homes.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Killingworth
| Period | Killingworth | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,056 | $1,014 | $1,127 | $965 |
| 2010–14 | $1,166 | $1,114 | $1,218 | $1,040 |
| 2015–19 | $1,131 | $1,229 | $1,380 | $1,213 |
| 2020–24 | $1,429 | $1,559 | $1,702 | $1,571 |
| Change | +$373 | +$545 | +$575 | +$606 |
The median renter in Killingworth pays $1,429 a month for rent and utilities, below the national median of $1,571. Rent has climbed $373 a month since 2006–10, up 35%, a slower climb than the nation's. The typical renter here spends 29.4% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Rents run highest in the center and lowest in the northwest.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Killingworth
Bachelor's degrees in Killingworth
| Period | Killingworth | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 50.8% | 35.0% | 35.5% | 28.4% |
| 2010–14 | 51.1% | 36.2% | 37.0% | 29.6% |
| 2015–19 | 51.9% | 39.1% | 39.2% | 32.1% |
| 2020–24 | 55.2% | 41.8% | 42.3% | 35.6% |
| Change | +4.4 pts | +6.8 pts | +6.8 pts | +7.2 pts |
College graduates are unusually common in Killingworth: 55.2% of adults 25 and older have a bachelor's degree or higher, against 35.6% nationally. Education tends to track local incomes and the kinds of jobs nearby. The share with a degree has risen 4.4 points since 2006–10, as it has nationally.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Killingworth
| Period | Killingworth | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 94.0% | 88.3% | 88.1% | 84.9% |
| 2010–14 | 97.6% | 89.6% | 89.2% | 86.1% |
| 2015–19 | 98.2% | 90.7% | 90.4% | 87.7% |
| 2020–24 | 98.5% | 91.8% | 91.2% | 89.3% |
| Change | +4.5 pts | +3.5 pts | +3.1 pts | +4.3 pts |
Finishing high school is nearly universal in Killingworth: 98.5% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. Since 2006–10, the share with a diploma has risen 4.5 points, in line with the national trend. Only nine of the 145 Connecticut cities with 5,000+ people have a higher share of high school graduates.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Killingworth
| Period | Killingworth | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 5.1% | 7.6% | 7.8% | 8.1% |
| 2010–14 | 4.4% | 9.5% | 9.7% | 9.4% |
| 2015–19 | 2.0% | 5.7% | 6.2% | 5.6% |
| 2020–24 | 4.6% | 5.2% | 5.6% | 5.4% |
| Change | −0.6 pts | −2.5 pts | −2.1 pts | −2.7 pts |
Unemployment in Killingworth runs below the national rate: 4.6% of the labor force was out of work and looking, against 5.4% nationally. Since 2006–10, unemployment has edged down 0.6 points, a smaller shift than nationally. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Killingworth compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Killingworth | 2.55 | 50.6 | 3.0% | 3.3% | 9.3% | 1986 | $1,429 | 55.2% | 98.5% | 4.6% |
| Winthrop | 2.59 | 44.9 | 6.9% | 9.8% | 8.4% | 1974 | $1,252 | 44.9% | 96.4% | 3.5% |
| Little City | 2.63 | 45.7 | 7.9% | 6.6% | 7.4% | 1980 | $1,605 | 59.5% | 98.3% | 7.9% |
| Madison | 2.51 | 51.6 | 4.5% | 9.9% | 9.4% | 1975 | $2,168 | 72.5% | 98.6% | 4.2% |
| Ponset | 2.91 | 45.1 | 5.3% | 7.2% | 7.9% | 1970 | $1,466 | 41.7% | 98.0% | 1.4% |
| Clinton | 2.46 | 49.8 | 8.5% | 15.3% | 13.5% | 1971 | $1,416 | 42.2% | 94.7% | 4.9% |
| Chester | 2.27 | 48.8 | 11.8% | 26.9% | 8.2% | 1967 | $1,570 | 46.8% | 96.0% | 5.4% |
| Deep River | 2.38 | 45.3 | 10.8% | 32.7% | 6.9% | 1968 | $1,199 | 45.6% | 92.8% | 3.0% |
| North Guilford | 2.66 | 45.6 | 6.5% | 15.1% | 6.5% | 1979 | $1,916 | 58.4% | 97.3% | 4.3% |
| Higganum | 2.52 | 45.4 | 13.3% | 11.8% | 6.4% | 1967 | $1,604 | 47.6% | 98.6% | 3.6% |
| Ivoryton | 2.53 | 40.4 | 2.7% | 22.9% | 15.8% | 1968 | $1,510 | 46.4% | 96.7% | 1.3% |
All figures 2020–24.
Cities with similar populations: North Caldwell, NJ · Obetz, OH · Oakmont, PA · Oakland, ME · Oakhurst, NJ · Oakboro, NC · Oak View, CA · Oak Park Heights, MN · Oak Hill, TN · Nyssa, OR
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Killingworth. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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