Population 423 · Census ACS 2020–24
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Population and households in Three Rocks
Household size in Three Rocks
| Period | Three Rocks | Fresno area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.25 | 3.29 | 3.04 | 2.68 |
| 2010–14 | 3.55 | 3.31 | 3.10 | 2.73 |
| 2015–19 | 4.16 | 3.27 | 3.09 | 2.71 |
| 2020–24 | 3.78 | 3.25 | 3.01 | 2.65 |
| Change | −0.48 | −0.04 | −0.03 | −0.03 |
Three Rocks is a place of big households: 3.78 people per home on average, compared with 2.65 nationally. Numbers like that usually point to plenty of families with kids. Since 2006–10, household size has dropped from 4.25, but in a place this small, survey estimates can swing a lot from one release to the next.
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 Three Rocks
| Period | Three Rocks | Fresno area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 26.3 | 32.4 | 35.8 | 37.7 |
| 2010–14 | 44.9 | 33.1 | 36.8 | 38.6 |
| 2015–19 | 32.6 | 33.9 | 37.9 | 39.6 |
| 2020–24 | 30.7 | 34.5 | 39.0 | 40.1 |
| Change | +4.4 | +2.2 | +3.1 | +2.3 |
Three Rocks is young: half of its residents are under 30.7, compared with a national median of 40.1. The population tilts toward young families with children.
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 Three Rocks
| Period | Three Rocks | Fresno area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.1% | 17.2% | 13.5% | 12.3% |
| 2010–14 | 23.7% | 18.5% | 13.5% | 12.3% |
| 2015–19 | 3.6% | 17.9% | 12.3% | 11.6% |
| 2020–24 | 28.7% | 17.7% | 12.3% | 11.6% |
| Change | +19.6 pts | +0.5 pts | −1.2 pts | −0.6 pts |
Single-parent households are common in Three Rocks: 28.7% of all households, against 11.6% nationally.
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 Three Rocks
Renters in Three Rocks
| Period | Three Rocks | Fresno area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 69.5% | 44.0% | 42.6% | 33.3% |
| 2010–14 | 78.4% | 45.9% | 45.2% | 35.6% |
| 2015–19 | 63.1% | 45.3% | 45.2% | 36.0% |
| 2020–24 | 58.5% | 43.0% | 44.1% | 34.8% |
| Change | −11.0 pts | −1.0 pts | +1.5 pts | +1.5 pts |
Most households in Three Rocks rent: 58.5% of occupied homes are rented, far above the national share of 34.8%. Expect more apartments, and more turnover, than in owner-heavy areas. About three-quarters of owners (73.7%) have paid off their mortgages, well above 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 Three Rocks
| Period | Three Rocks | Fresno area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 36.4% | 9.6% | 8.7% | 11.4% |
| 2010–14 | 5.9% | 8.8% | 8.1% | 11.4% |
| 2015–19 | 28.4% | 7.5% | 7.5% | 11.1% |
| 2020–24 | 2.6% | 6.8% | 7.3% | 9.6% |
| Change | −33.8 pts | −2.8 pts | −1.4 pts | −1.8 pts |
Empty homes are scarce in Three Rocks: just 2.6% sit vacant, compared with 9.6% nationally, a sign of a tight housing market.
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 Three Rocks
| Period | Three Rocks | Fresno area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 1969 | 1977 | 1972 | 1974 |
| 2010–14 | 1976 | 1980 | 1973 | 1975 |
| 2015–19 | 1982 | 1981 | 1974 | 1977 |
| 2020–24 | 1975 | 1984 | 1976 | 1980 |
| Change | +6 | +6 | +4 | +6 |
Homes in Three Rocks run a bit older than the national norm, with a median build year of 1975 against 1980.
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 Three Rocks
| Period | Three Rocks | Fresno area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | $705 | $968 | $1,298 | $965 |
| 2010–14 | $683 | $1,042 | $1,379 | $1,040 |
| 2015–19 | $899 | $1,170 | $1,721 | $1,213 |
| 2020–24 | $600 | $1,635 | $2,229 | $1,571 |
| Change | −$105 | +$667 | +$931 | +$606 |
A typical rental in Three Rocks costs $600 a month with utilities, well below the national median of $1,571. The typical renter here spends 10.0% 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 Three Rocks
Bachelor's degrees in Three Rocks
| Period | Three Rocks | Fresno area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.6% | 18.7% | 29.1% | 28.4% |
| 2010–14 | 8.4% | 18.6% | 30.1% | 29.6% |
| 2015–19 | 1.8% | 19.6% | 32.9% | 32.1% |
| 2020–24 | 5.0% | 23.1% | 36.3% | 35.6% |
| Change | −1.6 pts | +4.4 pts | +7.1 pts | +7.2 pts |
Fewer adults in Three Rocks have a four-year degree than in the country as a whole: 5.0%, against 35.6% 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 Three Rocks
| Period | Three Rocks | Fresno area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 19.5% | 71.6% | 79.9% | 84.9% |
| 2010–14 | 23.6% | 72.0% | 80.7% | 86.1% |
| 2015–19 | 22.2% | 74.4% | 82.6% | 87.7% |
| 2020–24 | 31.2% | 77.5% | 84.2% | 89.3% |
| Change | +11.7 pts | +5.9 pts | +4.3 pts | +4.3 pts |
About seven in ten adults in Three Rocks never finished high school, well above the national share: only 31.2% have a diploma or equivalent, against 89.3% nationally.
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 Three Rocks
| Period | Three Rocks | Fresno area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 16.6% | 11.7% | 9.2% | 8.1% |
| 2010–14 | 6.5% | 14.0% | 11.3% | 9.4% |
| 2015–19 | 20.3% | 9.0% | 6.3% | 5.6% |
| 2020–24 | 14.9% | 9.0% | 6.6% | 5.4% |
| Change | −1.7 pts | −2.7 pts | −2.6 pts | −2.7 pts |
Finding work has been harder in Three Rocks: 14.9% of the labor force was out of work and looking, well above the national rate of 5.4%. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's 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).
Three Rocks 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Three Rocks | 3.78 | 30.7 | 28.7% | 58.5% | 2.6% | 1975 | $600 | 5.0% | 31.2% | 14.9% |
| Cantua Creek | 3.36 | 30.9 | 16.0% | 73.1% | 8.0% | 1971 | $763 | 8.2% | 62.0% | 10.2% |
| Tranquillity | 2.64 | 46.0 | 10.7% | 34.3% | 13.0% | 1971 | $1,205 | 6.2% | 71.2% | 7.5% |
| San Joaquin | 3.87 | 27.0 | 22.4% | 64.0% | 5.8% | 1980 | $943 | 4.8% | 43.2% | 18.2% |
| Helm | 3.55 | 34.8 | 14.0% | 58.2% | 12.3% | 1977 | $772 | 12.0% | 59.6% | 6.2% |
| Panoche | 3.20 | 38.2 | 7.9% | 43.9% | 21.4% | 1973 | $1,149 | 20.7% | 77.8% | 9.0% |
| Raisin | 3.47 | 30.2 | 11.4% | 64.8% | 5.9% | 1977 | $949 | 6.8% | 49.5% | 11.8% |
| Burrel | 3.62 | 30.4 | 12.5% | 62.4% | 5.7% | 1973 | $1,176 | 6.6% | 55.4% | 12.6% |
| Oleander | 3.53 | 26.9 | 15.9% | 68.0% | 5.0% | 1973 | $1,697 | 9.6% | 65.6% | 11.8% |
| Riverdale | 4.30 | 29.5 | 22.8% | 50.0% | 9.3% | 1981 | $1,030 | 6.4% | 61.0% | 5.2% |
| Caruthers | 3.89 | 33.5 | 13.8% | 50.0% | 12.9% | 1970 | $1,369 | 16.8% | 70.5% | 5.6% |
All figures 2020–24.
Cities with similar populations: Wahpeton, IA · Death Valley Junction, CA · Deaver, WY · Degnan, OK · Del Sur, CA · Delong, WV · Dema, KY · Denmark, OH · Vesta, AR · Vestaburg, PA
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 Three Rocks. 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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