Cooper Mountain Aloha South, Beaverton, OR Demographics

Population 10,111 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Cooper Mountain Aloha South, Beaverton, OR map of median age by neighborhood
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Population and households in Cooper Mountain Aloha South

Household size in Cooper Mountain Aloha South

Household size, people per household
PeriodCooper Mountain Aloha SouthBeavertonPortland areaOregonU.S.
2006–102.982.492.572.502.68
2010–142.992.582.632.552.73
2015–193.142.582.632.562.71
2020–242.772.472.512.502.65
Change−0.21−0.02−0.06+0.00−0.03
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Households in Cooper Mountain Aloha South average 2.77 people, a bit above the national 2.65, so families with children are somewhat more common here. Household size has dropped from 2.98 in 2006–10, a much bigger shift than nationally. Cooper Mountain Aloha South has the largest households of any Beaverton neighborhood.

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 Cooper Mountain Aloha South

Median age, years
PeriodCooper Mountain Aloha SouthBeavertonPortland areaOregonU.S.
2006–1036.035.837.339.037.7
2010–1437.236.238.340.038.6
2015–1937.537.539.340.939.6
2020–2439.239.741.041.640.1
Change+3.2+3.9+3.7+2.5+2.3
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At 39.2, the median age in Cooper Mountain Aloha South is close to the national median of 40.1, so its age mix looks much like the country's. The median age has climbed from 36.0 in 2006–10, as it has nationally. The youngest areas are in the northeast, the 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 Cooper Mountain Aloha South

Single-parent households, % of households
PeriodCooper Mountain Aloha SouthBeavertonPortland areaOregonU.S.
2006–1012.4%10.4%10.5%10.5%12.3%
2010–147.6%10.0%10.3%10.8%12.3%
2015–196.6%8.6%9.4%9.9%11.6%
2020–247.5%9.4%9.5%10.4%11.6%
Change−4.9 pts−1.0 pts−1.0 pts−0.1 pts−0.6 pts
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Single parents head only 7.5% of households in Cooper Mountain Aloha South, well below the national share of 11.6%. The single-parent share has fallen 4.9 points since 2006–10, a much bigger shift than 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 Cooper Mountain Aloha South

Renters in Cooper Mountain Aloha South

Renters, % of occupied homes
PeriodCooper Mountain Aloha SouthBeavertonPortland areaOregonU.S.
2006–1018.2%44.4%36.6%36.2%33.3%
2010–1420.9%48.0%39.1%38.5%35.6%
2015–1917.4%45.3%37.6%37.6%36.0%
2020–2418.9%45.4%38.3%36.7%34.8%
Change+0.7 pts+1.0 pts+1.7 pts+0.5 pts+1.5 pts
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Only 18.9% of households in Cooper Mountain Aloha South rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among owners, 21.2% have paid off their mortgages, well below the national share of 39.8%. The renter share has edged up 0.7 points since 2006–10, mirroring the country. Only one other Beaverton neighborhood has 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 Cooper Mountain Aloha South

Vacant homes, % of all homes
PeriodCooper Mountain Aloha SouthBeavertonPortland areaOregonU.S.
2006–103.9%7.9%7.4%8.9%11.4%
2010–144.6%6.0%6.8%9.1%11.4%
2015–194.9%5.3%6.1%8.3%11.1%
2020–244.0%4.9%7.1%7.4%9.6%
Change+0.2 pts−3.1 pts−0.3 pts−1.5 pts−1.8 pts
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Empty homes are scarce in Cooper Mountain Aloha South: just 4.0% sit vacant, compared with 9.6% nationally, a sign of a tight housing market. Beaverton as a whole looks much the same.

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 Cooper Mountain Aloha South

Age of homes, median year built
PeriodCooper Mountain Aloha SouthBeavertonPortland areaOregonU.S.
2006–1019901983197719761974
2010–1419901984197819771975
2015–1919901985198019781977
2020–2419931987198119811980
Change+3+4+4+5+6
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Much of the housing in Cooper Mountain Aloha South is relatively new: half of its homes were built after 1993, compared with 1980 for the U.S. as a whole. The median year built has moved up from 1990 in 2006–10, a sign of steady new building. The newest homes are mostly in the south, the oldest in the northeast.

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 Cooper Mountain Aloha South

Rent, per month
PeriodCooper Mountain Aloha SouthBeavertonPortland areaOregonU.S.
2006–10$1,047$945$961$870$965
2010–14$1,235$1,094$1,105$982$1,040
2015–19$1,529$1,410$1,374$1,183$1,213
2020–24$2,038$1,963$1,794$1,601$1,571
Change+$991+$1,018+$833+$731+$606
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The median renter in Cooper Mountain Aloha South pays $2,038 a month for rent and utilities, well above the national median of $1,571. Rent has climbed $991 a month since 2006–10, up 95%, faster than rents rose nationally. Rent takes 39.5% of the typical renter's income, well over the 30% mark often used to define affordable rent, so many renters here are stretched. Renters on a budget will find the lowest rents in the south; the highest are in the center.

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 Cooper Mountain Aloha South

Bachelor's degrees in Cooper Mountain Aloha South

Bachelor's degrees, % of adults 25+
PeriodCooper Mountain Aloha SouthBeavertonPortland areaOregonU.S.
2006–1037.9%42.4%33.3%29.0%28.4%
2010–1438.3%42.9%34.5%30.2%29.6%
2015–1942.4%46.9%39.2%33.5%32.1%
2020–2455.6%50.4%42.6%36.4%35.6%
Change+17.7 pts+7.9 pts+9.3 pts+7.3 pts+7.2 pts
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Cooper Mountain Aloha South is highly educated: more than half of adults 25 and older (55.6%) hold at least a bachelor's degree, far above the national share of 35.6%. The share with a degree is up 17.7 points from 2006–10, in line with the national trend. College graduates are most concentrated in the west 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 Cooper Mountain Aloha South

High school graduates, % of adults 25+
PeriodCooper Mountain Aloha SouthBeavertonPortland areaOregonU.S.
2006–1089.3%91.8%90.0%88.5%84.9%
2010–1488.7%90.6%90.6%89.4%86.1%
2015–1991.1%92.0%91.9%90.5%87.7%
2020–2493.6%92.8%93.2%91.5%89.3%
Change+4.4 pts+1.0 pts+3.2 pts+3.0 pts+4.3 pts
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High school completion in Cooper Mountain Aloha South is above the national rate: 93.6% of adults have a diploma or equivalent, against 89.3%. That is in line with the rest of Beaverton. The share with a diploma is up 4.4 points from 2006–10, as it has 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 Cooper Mountain Aloha South

Unemployment, % of the labor force
PeriodCooper Mountain Aloha SouthBeavertonPortland areaOregonU.S.
2006–1010.5%8.1%8.6%8.8%8.1%
2010–1412.5%9.2%9.6%10.6%9.4%
2015–195.5%4.5%4.7%5.6%5.6%
2020–244.3%4.4%4.6%5.3%5.4%
Change−6.3 pts−3.6 pts−4.0 pts−3.5 pts−2.7 pts
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Unemployment in Cooper Mountain Aloha South runs below the national rate: 4.3% of the labor force was out of work and looking, against 5.4% nationally. Unemployment has fallen 6.3 points since 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).

Cooper Mountain Aloha South compared with nearby neighborhoods

NeighborhoodHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Cooper Mountain Aloha South2.7739.27.5%18.9%4.0%1993$2,03855.6%93.6%4.3%
Sexton Mountain2.6243.46.4%13.7%2.3%1995$2,54660.5%96.4%3.3%
West Beaverton2.4244.18.2%35.2%6.0%1985$2,12644.6%90.0%3.8%
Cooper Mountain-Aloha North2.6736.29.1%37.8%5.6%1994$1,99539.2%91.8%3.8%
Highlands2.5045.46.6%26.6%8.3%1976$2,04141.4%90.8%3.3%
Neighbors Southwest2.4739.911.0%47.6%3.7%1999$2,01461.8%97.4%2.4%
South Beaverton2.3143.54.7%30.2%6.9%1984$2,09660.1%98.3%1.8%
Central Beaverton2.4137.911.2%64.3%3.7%1977$1,58435.0%80.7%5.3%
Five Oaks2.4134.515.1%73.8%6.3%1997$1,96751.3%93.0%3.6%
Greenway2.1439.812.0%62.5%5.5%1979$1,69342.6%91.4%3.4%
Vose2.5735.78.6%54.3%6.2%1976$1,71139.9%87.2%11.7%

All figures 2020–24.

Neighborhoods with similar populations: Ben Hill, Atlanta, GA · Berkeley, Martinsburg, WV · Broadmeadow Brook, Worcester, MA · Village de L'Est, New Orleans, LA · Corlett, Cleveland, OH · Petosky-Otsego, Detroit, MI · Northwest, Manchester, NH · Northgate, Colorado Springs, CO · Martin Luther King, Shreveport, LA · Richmond, Lehigh Acres, FL

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 Cooper Mountain Aloha South. 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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