Population 5,805 · Census ACS 2020–24
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Population and households in Marlborough
Household size in Marlborough
| Period | Marlborough | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.86 | 2.51 | 2.57 | 2.68 |
| 2010–14 | 2.80 | 2.52 | 2.61 | 2.73 |
| 2015–19 | 2.70 | 2.49 | 2.57 | 2.71 |
| 2020–24 | 2.83 | 2.47 | 2.55 | 2.65 |
| Change | −0.03 | −0.04 | −0.02 | −0.03 |
The typical household in Marlborough holds 2.83 people, more than the U.S. average of 2.65. Since 2006–10, household size has edged down from 2.86, as it has nationally. Households are largest in the northeast and smallest in the west.
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 Marlborough
| Period | Marlborough | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 42.8 | 40.4 | 40.0 | 37.7 |
| 2010–14 | 42.7 | 41.2 | 41.0 | 38.6 |
| 2015–19 | 45.1 | 41.9 | 42.0 | 39.6 |
| 2020–24 | 42.9 | 41.9 | 42.1 | 40.1 |
| Change | +0.1 | +1.5 | +2.1 | +2.3 |
The median resident of Marlborough is 42.9 years old, older than the national median of 40.1. The Hartford area as a whole looks much the same. Residents skew youngest in the northeast and oldest in the center.
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 Marlborough
| Period | Marlborough | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.9% | 11.4% | 11.2% | 12.3% |
| 2010–14 | 8.7% | 12.1% | 11.6% | 12.3% |
| 2015–19 | 6.3% | 10.7% | 10.8% | 11.6% |
| 2020–24 | 11.0% | 11.0% | 11.4% | 11.6% |
| Change | +4.1 pts | −0.4 pts | +0.2 pts | −0.6 pts |
Single parents head just over one in ten households in Marlborough (11.0%), close to the national share of 11.6%. The single-parent share has risen 4.1 points since 2006–10, even as the national share fell.
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 Marlborough
Renters in Marlborough
| Period | Marlborough | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.8% | 31.0% | 30.8% | 33.3% |
| 2010–14 | 6.0% | 32.4% | 32.7% | 35.6% |
| 2015–19 | 12.4% | 33.7% | 33.9% | 36.0% |
| 2020–24 | 7.3% | 32.7% | 33.5% | 34.8% |
| Change | +0.5 pts | +1.7 pts | +2.7 pts | +1.5 pts |
Only 7.3% of households in Marlborough rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 31.8% have no mortgage at all, below the national share of 39.8%. The renter share is up 0.5 points from 2006–10, mirroring the country. Only ten 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 Marlborough
| Period | Marlborough | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 5.7% | 8.0% | 8.8% | 11.4% |
| 2010–14 | 2.1% | 8.2% | 9.5% | 11.4% |
| 2015–19 | 3.5% | 9.2% | 10.2% | 11.1% |
| 2020–24 | 4.5% | 7.7% | 7.9% | 9.6% |
| Change | −1.2 pts | −0.3 pts | −0.9 pts | −1.8 pts |
Only 4.5% of homes in Marlborough are vacant, far below the national rate of 9.6%, which usually means strong demand for housing. Vacancy has edged down 1.2 points since 2006–10, as it has nationally. Marlborough has a lower vacancy rate than the great majority of Connecticut cities.
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 Marlborough
| Period | Marlborough | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 1975 | 1964 | 1963 | 1974 |
| 2010–14 | 1977 | 1965 | 1964 | 1975 |
| 2015–19 | 1980 | 1966 | 1964 | 1977 |
| 2020–24 | 1974 | 1967 | 1967 | 1980 |
| Change | −1 | +4 | +4 | +6 |
Homes in Marlborough run a bit older than the national norm, with a median build year of 1974 against 1980. Locally, though, homes here are newer than in the Hartford area overall, where the median home dates to 1967. Newer construction is concentrated in the southwest, while the northwest has the oldest housing.
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 Marlborough
| Period | Marlborough | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,245 | $1,014 | $1,127 | $965 |
| 2010–14 | $1,201 | $1,114 | $1,218 | $1,040 |
| 2015–19 | $901 | $1,229 | $1,380 | $1,213 |
| 2020–24 | $1,262 | $1,559 | $1,702 | $1,571 |
| Change | +$17 | +$545 | +$575 | +$606 |
The median renter in Marlborough pays $1,262 a month for rent and utilities, below the national median of $1,571. Rent takes 34.6% of the typical renter's income, well over the 30% mark often used to define affordable rent, so many renters here are stretched. Rents run highest in the northwest and lowest in the south.
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 Marlborough
Bachelor's degrees in Marlborough
| Period | Marlborough | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 39.7% | 35.0% | 35.5% | 28.4% |
| 2010–14 | 53.4% | 36.2% | 37.0% | 29.6% |
| 2015–19 | 50.1% | 39.1% | 39.2% | 32.1% |
| 2020–24 | 47.7% | 41.8% | 42.3% | 35.6% |
| Change | +8.1 pts | +6.8 pts | +6.8 pts | +7.2 pts |
Marlborough is highly educated: nearly half of adults 25 and older (47.7%) hold at least a bachelor's degree, far above the national share of 35.6%. The share with a degree is up 8.1 points from 2006–10, in line with the national trend. College graduates are most concentrated in the northeast and least in the center.
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 Marlborough
| Period | Marlborough | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 94.1% | 88.3% | 88.1% | 84.9% |
| 2010–14 | 95.4% | 89.6% | 89.2% | 86.1% |
| 2015–19 | 97.1% | 90.7% | 90.4% | 87.7% |
| 2020–24 | 96.9% | 91.8% | 91.2% | 89.3% |
| Change | +2.8 pts | +3.5 pts | +3.1 pts | +4.3 pts |
High school completion is high in Marlborough: 96.9% 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 2.8 points, in line with the national trend.
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 Marlborough
| Period | Marlborough | Hartford area | Connecticut | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.3% | 7.6% | 7.8% | 8.1% |
| 2010–14 | 9.8% | 9.5% | 9.7% | 9.4% |
| 2015–19 | 2.9% | 5.7% | 6.2% | 5.6% |
| 2020–24 | 4.4% | 5.2% | 5.6% | 5.4% |
| Change | −1.8 pts | −2.5 pts | −2.1 pts | −2.7 pts |
Jobs have been a little easier to find in Marlborough than nationally: unemployment was 4.4%, against 5.4%. Unemployment is down 1.8 points from 2006–10, as it has 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).
Marlborough 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Marlborough | 2.83 | 42.9 | 11.0% | 7.3% | 4.5% | 1974 | $1,262 | 47.7% | 96.9% | 4.4% |
| Lake Pocotopaug | 2.48 | 40.7 | 5.1% | 13.4% | 9.7% | 1978 | $1,330 | 39.0% | 94.9% | 4.3% |
| Hebron | 2.65 | 45.0 | 8.9% | 11.2% | 4.7% | 1984 | $1,577 | 52.2% | 97.7% | 3.5% |
| East Hampton | 2.47 | 43.9 | 7.3% | 15.1% | 7.3% | 1975 | $1,406 | 38.7% | 95.7% | 4.6% |
| Amston | 2.71 | 45.9 | 4.9% | 17.6% | 10.6% | 1987 | $1,405 | 53.8% | 95.8% | 4.9% |
| Cobalt | 2.81 | 42.3 | 8.9% | 1.2% | 6.7% | 1978 | $1,382 | 46.3% | 98.7% | 6.2% |
| Westchester | 2.59 | 48.7 | 3.7% | 7.3% | 7.5% | 1985 | $1,471 | 55.5% | 94.8% | 2.7% |
| South Glastonbury | 2.69 | 43.3 | 3.2% | 7.5% | 2.9% | 1981 | $1,399 | 76.3% | 99.0% | 3.9% |
| Glastonbury | 2.69 | 42.4 | 5.8% | 14.3% | 3.8% | 1978 | $1,623 | 66.9% | 97.6% | 2.8% |
| Andover | 2.62 | 46.4 | 6.6% | 6.7% | 6.0% | 1973 | $1,153 | 45.6% | 97.8% | 0.5% |
| Glastonbury Center | 2.16 | 50.8 | 3.6% | 27.2% | 2.0% | 1972 | $1,529 | 67.6% | 97.6% | 2.7% |
All figures 2020–24.
Cities with similar populations: Ardmore, AL · Cashmere, WA · Bayville, NY · Allentown, NJ · Orwigsburg, PA · Oxford, ME · Oxford, FL · Owings, MD · Owensville, MO · Ovilla, TX
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 Marlborough. 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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