Lake Forest, Lake Oswego, OR Demographics

Population 4,155 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Lake Forest, Lake Oswego, OR map of median age by neighborhood
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Population and households in Lake Forest

Household size in Lake Forest

Household size, people per household
PeriodLake ForestLake OswegoPortland areaOregonU.S.
2006–102.282.412.572.502.68
2010–142.252.352.632.552.73
2015–192.422.422.632.562.71
2020–242.442.442.512.502.65
Change+0.16+0.02−0.06+0.00−0.03
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Households in Lake Forest run small, averaging 2.44 people against 2.65 nationally, which usually means more singles and couples and fewer children. That is in line with the rest of Lake Oswego. Household size has climbed from 2.28 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.

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 Lake Forest

Median age, years
PeriodLake ForestLake OswegoPortland areaOregonU.S.
2006–1042.043.437.339.037.7
2010–1442.345.838.340.038.6
2015–1941.046.939.340.939.6
2020–2441.546.841.041.640.1
Change−0.5+3.4+3.7+2.5+2.3
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At 41.5, the median age in Lake Forest is close to the national median of 40.1, so its age mix looks much like the country's. The population here is younger than in Lake Oswego as a whole, where the median age is 46.8.

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 Lake Forest

Single-parent households, % of households
PeriodLake ForestLake OswegoPortland areaOregonU.S.
2006–107.1%7.3%10.5%10.5%12.3%
2010–146.9%5.9%10.3%10.8%12.3%
2015–197.1%6.3%9.4%9.9%11.6%
2020–243.7%6.2%9.5%10.4%11.6%
Change−3.4 pts−1.1 pts−1.0 pts−0.1 pts−0.6 pts
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Single parents head only 3.7% of households in Lake Forest, 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 Lake Forest

Renters in Lake Forest

Renters, % of occupied homes
PeriodLake ForestLake OswegoPortland areaOregonU.S.
2006–1034.0%27.6%36.6%36.2%33.3%
2010–1446.2%32.0%39.1%38.5%35.6%
2015–1930.9%25.5%37.6%37.6%36.0%
2020–2442.1%31.1%38.3%36.7%34.8%
Change+8.1 pts+3.5 pts+1.7 pts+0.5 pts+1.5 pts
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Just over four in ten households in Lake Forest rent their homes (42.1%), above the national share of 34.8%. Just over a quarter of owners (26.7%) have paid off their mortgages, well 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 Lake Forest

Vacant homes, % of all homes
PeriodLake ForestLake OswegoPortland areaOregonU.S.
2006–106.9%7.5%7.4%8.9%11.4%
2010–143.0%6.7%6.8%9.1%11.4%
2015–193.9%5.8%6.1%8.3%11.1%
2020–246.6%6.5%7.1%7.4%9.6%
Change−0.3 pts−0.9 pts−0.3 pts−1.5 pts−1.8 pts
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Vacancy is on the low side in Lake Forest: 6.6% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. That is in line with the rest of Lake Oswego.

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 Lake Forest

Age of homes, median year built
PeriodLake ForestLake OswegoPortland areaOregonU.S.
2006–1019791977197719761974
2010–1419781977197819771975
2015–1919761978198019781977
2020–2419811979198119811980
Change+2+2+4+5+6
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Homes in Lake Forest are about the same age as the nation's housing: the median home was built in 1981, versus 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 Lake Forest

Rent, per month
PeriodLake ForestLake OswegoPortland areaOregonU.S.
2006–10$1,017$1,210$961$870$965
2010–14$993$1,409$1,105$982$1,040
2015–19$1,593$1,735$1,374$1,183$1,213
2020–24$2,361$2,246$1,794$1,601$1,571
Change+$1,344+$1,036+$833+$731+$606
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Rent in Lake Forest runs $2,361 a month at the median, utilities included, well above the U.S. median of $1,571. The typical renter here spends 19.2% 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 Lake Forest

Bachelor's degrees in Lake Forest

Bachelor's degrees, % of adults 25+
PeriodLake ForestLake OswegoPortland areaOregonU.S.
2006–1042.9%62.7%33.3%29.0%28.4%
2010–1450.2%63.8%34.5%30.2%29.6%
2015–1962.9%70.3%39.2%33.5%32.1%
2020–2474.4%73.1%42.6%36.4%35.6%
Change+31.5 pts+10.4 pts+9.3 pts+7.3 pts+7.2 pts
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Lake Forest is highly educated: about three-quarters of adults 25 and older (74.4%) hold at least a bachelor's degree, far above the national share of 35.6%. That is in line with the rest of Lake Oswego.

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 Lake Forest

High school graduates, % of adults 25+
PeriodLake ForestLake OswegoPortland areaOregonU.S.
2006–1096.6%97.8%90.0%88.5%84.9%
2010–1497.5%98.0%90.6%89.4%86.1%
2015–1998.2%98.3%91.9%90.5%87.7%
2020–2498.9%98.9%93.2%91.5%89.3%
Change+2.2 pts+1.1 pts+3.2 pts+3.0 pts+4.3 pts
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Finishing high school is nearly universal in Lake Forest: 98.9% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The picture is much the same across Lake Oswego.

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 Lake Forest

Unemployment, % of the labor force
PeriodLake ForestLake OswegoPortland areaOregonU.S.
2006–1010.2%6.1%8.6%8.8%8.1%
2010–1410.7%8.6%9.6%10.6%9.4%
2015–196.9%3.7%4.7%5.6%5.6%
2020–241.7%4.3%4.6%5.3%5.4%
Change−8.5 pts−1.8 pts−4.0 pts−3.5 pts−2.7 pts
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The job market in Lake Forest has been strong: just 1.7% of the labor force was out of work and looking, well below 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).

Lake Forest compared with nearby neighborhoods

NeighborhoodHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Lake Forest2.4441.53.7%42.1%6.6%1981$2,36174.4%98.9%1.7%
Mt. Park2.0547.712.1%38.6%11.7%1981$2,07471.5%98.9%2.0%
Metzger2.1943.810.9%43.7%5.7%1986$1,78646.7%93.2%5.6%
Palisades2.6349.27.5%11.9%3.0%1974$2,29477.4%97.9%0.9%
Far Southwest2.3941.25.9%23.5%6.2%1974$2,13869.2%98.3%3.9%
Stafford-Tualatin Valley2.7046.54.1%9.8%9.7%1989$1,91266.1%97.1%2.4%
Bull Mountain2.6241.67.6%33.1%3.0%1991$1,96350.5%94.7%3.8%
Maplewood-Ashcreek2.1644.06.4%33.0%4.7%1974$1,68662.2%97.8%3.9%
Sherwood-Tualatin South2.6238.17.8%48.4%3.8%1991$2,05639.3%90.6%3.7%
Greenway2.1439.812.0%62.5%5.5%1979$1,69342.6%91.4%3.4%
Denny Whitford2.3642.115.3%54.5%6.8%1976$1,83445.4%92.3%10.9%

All figures 2020–24.

Neighborhoods with similar populations: Braun Station West, San Antonio, TX · North Town Fork Creek, Kansas City, MO · Miller Park, Lynchburg, VA · Millview East, San Marcos, TX · Montlake, Seattle, WA · Mornngside, Knoxville, TN · Mount Vernon, San Bernardino, CA · Newell, Charlotte, NC · Newmarket South, Newport News, VA · North Growth Area, Fresno, CA

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 Lake Forest. 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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