Population 226 · Census ACS 2020–24
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Population and households in Sphinx Park
Household size in Sphinx Park
| Period | Sphinx Park | Denver area | Colorado | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.54 | 2.58 | 2.57 | 2.68 |
| 2010–14 | 2.70 | 2.66 | 2.63 | 2.73 |
| 2015–19 | 2.16 | 2.68 | 2.64 | 2.71 |
| 2020–24 | 2.60 | 2.57 | 2.54 | 2.65 |
| Change | +0.06 | −0.01 | −0.04 | −0.03 |
Households in Sphinx Park average 2.60 people, about the same as the country as a whole (2.65).
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 Sphinx Park
| Period | Sphinx Park | Denver area | Colorado | U.S. |
|---|---|---|---|---|
| 2006–10 | 46.9 | 36.7 | 36.9 | 37.7 |
| 2010–14 | 45.4 | 37.3 | 37.7 | 38.6 |
| 2015–19 | 52.8 | 38.0 | 38.5 | 39.6 |
| 2020–24 | 49.8 | 38.5 | 39.1 | 40.1 |
| Change | +2.9 | +1.8 | +2.1 | +2.3 |
With a median age of 49.8, Sphinx Park is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. Since 2006–10, the median age has climbed from 46.9, but in a place this small, much of that may be survey noise rather than real change.
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 Sphinx Park
| Period | Sphinx Park | Denver area | Colorado | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.4% | 10.8% | 10.5% | 12.3% |
| 2010–14 | 2.7% | 11.0% | 10.8% | 12.3% |
| 2015–19 | 8.0% | 9.8% | 9.5% | 11.6% |
| 2020–24 | 2.4% | 9.6% | 9.3% | 11.6% |
| Change | −2.0 pts | −1.2 pts | −1.1 pts | −0.6 pts |
Single parents head only 2.4% of households in Sphinx Park, well below the national share of 11.6%.
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 Sphinx Park
Renters in Sphinx Park
| Period | Sphinx Park | Denver area | Colorado | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.6% | 33.5% | 32.4% | 33.3% |
| 2010–14 | 19.8% | 36.4% | 35.2% | 35.6% |
| 2015–19 | 2.8% | 36.1% | 34.8% | 36.0% |
| 2020–24 | 0.0% | 35.9% | 33.8% | 34.8% |
| Change | −7.6 pts | +2.4 pts | +1.4 pts | +1.5 pts |
Almost every household in Sphinx Park owns its home; nationally, 34.8% rent. About a third of owners (33.2%) have paid off their mortgages, below the national share of 39.8%.
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 Sphinx Park
| Period | Sphinx Park | Denver area | Colorado | U.S. |
|---|---|---|---|---|
| 2006–10 | 36.4% | 8.5% | 10.3% | 11.4% |
| 2010–14 | 23.8% | 6.6% | 8.7% | 11.4% |
| 2015–19 | 32.6% | 5.5% | 8.0% | 11.1% |
| 2020–24 | 25.0% | 6.0% | 7.3% | 9.6% |
| Change | −11.4 pts | −2.5 pts | −3.0 pts | −1.8 pts |
Vacancy is high in Sphinx Park: 25.0% of homes are empty, 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 Sphinx Park
| Period | Sphinx Park | Denver area | Colorado | U.S. |
|---|---|---|---|---|
| 2006–10 | 1945 | 1980 | 1981 | 1974 |
| 2010–14 | 1967 | 1981 | 1982 | 1975 |
| 2015–19 | 1956 | 1982 | 1983 | 1977 |
| 2020–24 | 1975 | 1987 | 1988 | 1980 |
| Change | +30 | +8 | +7 | +6 |
Housing in Sphinx Park leans a little older: the median home dates to 1975, against 1980 nationally.
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 Sphinx Park
| Period | Sphinx Park | Denver area | Colorado | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,171 | $1,128 | $1,051 | $965 |
| 2010–14 | $1,701 | $1,245 | $1,165 | $1,040 |
| 2015–19 | $1,200 | $1,606 | $1,450 | $1,213 |
| 2020–24 | $2,238 | $2,181 | $1,963 | $1,571 |
| Change | +$1,067 | +$1,053 | +$912 | +$606 |
The median renter in Sphinx Park pays $2,238 a month for rent and utilities, well above the national median of $1,571. The picture is much the same across the Denver area. The typical renter here spends 24.2% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.
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 Sphinx Park
Bachelor's degrees in Sphinx Park
| Period | Sphinx Park | Denver area | Colorado | U.S. |
|---|---|---|---|---|
| 2006–10 | 48.8% | 38.1% | 36.4% | 28.4% |
| 2010–14 | 45.7% | 40.0% | 37.8% | 29.6% |
| 2015–19 | 44.0% | 43.5% | 40.9% | 32.1% |
| 2020–24 | 49.0% | 49.1% | 45.9% | 35.6% |
| Change | +0.2 pts | +11.0 pts | +9.4 pts | +7.2 pts |
Sphinx Park is highly educated: about half of adults 25 and older (49.0%) hold at least a bachelor's degree, far above the national share of 35.6%. That is in line with the rest of the Denver area.
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 Sphinx Park
| Period | Sphinx Park | Denver area | Colorado | U.S. |
|---|---|---|---|---|
| 2006–10 | 94.5% | 88.8% | 89.5% | 84.9% |
| 2010–14 | 96.5% | 89.8% | 90.5% | 86.1% |
| 2015–19 | 93.5% | 91.1% | 91.8% | 87.7% |
| 2020–24 | 97.0% | 92.1% | 92.8% | 89.3% |
| Change | +2.5 pts | +3.3 pts | +3.3 pts | +4.3 pts |
High school completion is high in Sphinx Park: 97.0% 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 Sphinx Park
| Period | Sphinx Park | Denver area | Colorado | U.S. |
|---|---|---|---|---|
| 2006–10 | 5.8% | 6.8% | 6.8% | 8.1% |
| 2010–14 | 7.4% | 7.5% | 7.9% | 9.4% |
| 2015–19 | 0.0% | 3.7% | 4.4% | 5.6% |
| 2020–24 | 2.6% | 4.4% | 4.6% | 5.4% |
| Change | −3.1 pts | −2.4 pts | −2.3 pts | −2.7 pts |
Unemployment in Sphinx Park has been low: just 2.6% 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).
Sphinx Park 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Sphinx Park | 2.60 | 49.8 | 2.4% | 0.0% | 25.0% | 1975 | $2,238 | 49.0% | 97.0% | 2.6% |
| Pine | 2.37 | 50.9 | 3.9% | 5.7% | 15.9% | 1980 | $2,374 | 48.0% | 97.8% | 2.9% |
| Buffalo Creek | 2.59 | 47.3 | 17.0% | 1.0% | 25.1% | 1969 | $2,310 | 58.5% | 98.7% | 6.0% |
| Wandcrest Park | 2.39 | 46.8 | 9.3% | 3.7% | 16.2% | 1979 | $2,431 | 43.2% | 98.1% | 5.0% |
| Estabrook | 2.16 | 49.8 | 3.5% | 5.3% | 10.0% | 1987 | $2,778 | 26.2% | 98.1% | 0.1% |
| Conifer | 2.47 | 47.7 | 3.4% | 9.3% | 9.3% | 1986 | $2,621 | 59.0% | 97.9% | 3.7% |
| Silver Springs | 2.12 | 50.9 | 6.2% | 11.1% | 7.2% | 1989 | $2,359 | 39.3% | 97.9% | 2.7% |
| Bailey | 2.16 | 50.1 | 4.3% | 7.9% | 15.5% | 1990 | $2,373 | 38.5% | 97.7% | 3.8% |
| South Platte | 2.34 | 48.7 | 4.9% | 6.5% | 6.2% | 1990 | $2,284 | 69.5% | 95.3% | 3.2% |
| Brook Forest | 2.37 | 47.5 | 4.7% | 14.5% | 13.2% | 1988 | $2,219 | 63.3% | 95.8% | 3.2% |
| Glenisle | 2.18 | 51.5 | 2.3% | 5.0% | 26.5% | 1993 | $2,176 | 36.4% | 97.0% | 3.9% |
All figures 2020–24.
Cities with similar populations: New Sarpy, LA · River Neck, NC · Ringo, KS · Rhea, TX · Reward, PA · Reno, MN · Norcross, MN · Nida, OK · Newfoundland, KY · Riverview, KY
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 Sphinx Park. 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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