Population 50 · Census ACS 2020–24
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Population and households in Rock Harbor
Household size in Rock Harbor
| Period | Rock Harbor | Florida | U.S. |
|---|---|---|---|
| 2006–10 | 2.25 | 2.63 | 2.68 |
| 2010–14 | 2.87 | 2.73 | 2.73 |
| 2015–19 | 2.36 | 2.75 | 2.71 |
| 2020–24 | 2.28 | 2.63 | 2.65 |
| Change | +0.03 | +0.00 | −0.03 |
Households in Rock Harbor are small: just 2.28 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home.
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 Rock Harbor
| Period | Rock Harbor | Florida | U.S. |
|---|---|---|---|
| 2006–10 | 50.4 | 40.8 | 37.7 |
| 2010–14 | 54.2 | 42.0 | 38.6 |
| 2015–19 | 54.8 | 43.0 | 39.6 |
| 2020–24 | 51.3 | 43.5 | 40.1 |
| Change | +0.9 | +2.7 | +2.3 |
Rock Harbor skews older: half of its residents are older than 51.3, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families.
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 Rock Harbor
| Period | Rock Harbor | Florida | U.S. |
|---|---|---|---|
| 2006–10 | 9.1% | 12.4% | 12.3% |
| 2010–14 | 8.5% | 12.2% | 12.3% |
| 2015–19 | 4.5% | 11.5% | 11.6% |
| 2020–24 | 1.4% | 11.4% | 11.6% |
| Change | −7.7 pts | −1.0 pts | −0.6 pts |
Single-parent households are relatively rare in Rock Harbor: 1.4% of households, against 11.6% nationally. The single-parent share has fallen 7.7 points since 2006–10, but in a place this small, much of that may be survey noise rather than real change.
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 Rock Harbor
Renters in Rock Harbor
| Period | Rock Harbor | Florida | U.S. |
|---|---|---|---|
| 2006–10 | 19.4% | 30.3% | 33.3% |
| 2010–14 | 18.5% | 33.9% | 35.6% |
| 2015–19 | 24.7% | 34.6% | 36.0% |
| 2020–24 | 4.7% | 32.4% | 34.8% |
| Change | −14.7 pts | +2.1 pts | +1.5 pts |
Rock Harbor is overwhelmingly a place of homeowners: only 4.7% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 42.0% have no mortgage at all, about the same as nationally.
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 Rock Harbor
| Period | Rock Harbor | Florida | U.S. |
|---|---|---|---|
| 2006–10 | 36.9% | 17.2% | 11.4% |
| 2010–14 | 38.9% | 17.6% | 11.4% |
| 2015–19 | 30.9% | 15.4% | 11.1% |
| 2020–24 | 37.1% | 12.5% | 9.6% |
| Change | +0.2 pts | −4.8 pts | −1.8 pts |
Vacant homes make up 37.1% of the housing in Rock Harbor, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.
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 Rock Harbor
| Period | Rock Harbor | Florida | U.S. |
|---|---|---|---|
| 2006–10 | 1982 | 1984 | 1974 |
| 2010–14 | 1985 | 1985 | 1975 |
| 2015–19 | 1984 | 1986 | 1977 |
| 2020–24 | 1986 | 1989 | 1980 |
| Change | +4 | +5 | +6 |
Homes in Rock Harbor are newer than the national norm: the median home was built in 1986, versus 1980 across the U.S. The picture is much the same across Florida.
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 Rock Harbor
| Period | Rock Harbor | Florida | U.S. |
|---|---|---|---|
| 2006–10 | $1,569 | $1,092 | $965 |
| 2010–14 | $1,367 | $1,123 | $1,040 |
| 2015–19 | $1,857 | $1,323 | $1,213 |
| 2020–24 | $2,321 | $1,816 | $1,571 |
| Change | +$752 | +$724 | +$606 |
Rent in Rock Harbor runs $2,321 a month at the median, utilities included, well above the U.S. median of $1,571. The typical renter here spends 45.0% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched.
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 Rock Harbor
Bachelor's degrees in Rock Harbor
| Period | Rock Harbor | Florida | U.S. |
|---|---|---|---|
| 2006–10 | 22.6% | 26.4% | 28.4% |
| 2010–14 | 22.3% | 27.0% | 29.6% |
| 2015–19 | 34.8% | 30.0% | 32.1% |
| 2020–24 | 33.9% | 34.6% | 35.6% |
| Change | +11.3 pts | +8.2 pts | +7.2 pts |
College degrees are about as common in Rock Harbor as nationally: 33.9% of adults 25 and older have a bachelor's or higher, against 35.6%.
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 Rock Harbor
| Period | Rock Harbor | Florida | U.S. |
|---|---|---|---|
| 2006–10 | 94.9% | 85.5% | 84.9% |
| 2010–14 | 93.2% | 86.5% | 86.1% |
| 2015–19 | 96.2% | 88.2% | 87.7% |
| 2020–24 | 96.7% | 90.0% | 89.3% |
| Change | +1.8 pts | +4.4 pts | +4.3 pts |
High school completion is high in Rock Harbor: 96.7% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.
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 Rock Harbor
| Period | Rock Harbor | Florida | U.S. |
|---|---|---|---|
| 2006–10 | 7.9% | 8.9% | 8.1% |
| 2010–14 | 6.9% | 11.0% | 9.4% |
| 2015–19 | 4.2% | 5.7% | 5.6% |
| 2020–24 | 1.7% | 4.8% | 5.4% |
| Change | −6.3 pts | −4.1 pts | −2.7 pts |
The job market in Rock Harbor has been strong: just 1.7% of the labor force was out of work and looking, well below the national rate of 5.4%. 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).
Rock Harbor 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Rock Harbor | 2.28 | 51.3 | 1.4% | 4.7% | 37.1% | 1986 | $2,321 | 33.9% | 96.7% | 1.7% |
| Big Pine Key | 2.25 | 51.8 | 7.7% | 11.7% | 37.2% | 1987 | $2,142 | 31.2% | 97.4% | 2.1% |
| Summerland Key | 2.30 | 51.1 | 6.3% | 17.1% | 37.3% | 1991 | $2,217 | 46.0% | 96.6% | 4.1% |
| Cudjoe Key | 2.26 | 61.2 | 10.2% | 29.3% | 43.3% | 2001 | $1,732 | 40.6% | 98.7% | 0.0% |
| Sugarloaf Shores | 2.35 | 52.6 | 12.2% | 16.0% | 31.7% | 1992 | $2,272 | 39.0% | 95.4% | 7.6% |
| Marathon | 2.45 | 46.8 | 6.1% | 39.5% | 39.9% | 1984 | $1,825 | 34.0% | 90.8% | 3.9% |
| Key Colony Beach | 1.88 | 68.8 | 4.6% | 25.0% | 66.0% | 1983 | $2,488 | 38.8% | 97.3% | 0.0% |
| Key West | 2.40 | 46.2 | 8.2% | 50.0% | 21.4% | 1972 | $2,291 | 37.9% | 92.1% | 2.4% |
| Long Key | 1.80 | 65.3 | 0.9% | 24.9% | 74.4% | 1984 | $2,075 | 40.9% | 97.9% | 10.7% |
| Layton | 1.80 | 65.3 | 0.9% | 24.9% | 74.4% | 1984 | $2,075 | 40.9% | 97.9% | 10.7% |
| Plantation Key | 2.28 | 59.3 | 5.3% | 12.9% | 65.8% | 1983 | $1,730 | 29.3% | 95.7% | 0.0% |
All figures 2020–24.
Cities with similar populations: Rodarte, NM · Muddlety, WV · Muddy Gap, WY · Mystic, SD · Neunert, IL · Newark, SD · North Colfax Union, NM · River Ridge, IN · Rivermoor, WI · Riverside, MA
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 Rock Harbor. 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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