Lake Oswego, OR Profile: Facts, Map & Data


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Lake Oswego, Oregon - Basic Facts

The City of Lake Oswego had a population of 38,172 as of July 1, 2016. Lake Oswego ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Oregon. See peer rankings below.

The primary coordinate point for Lake Oswego is located at latitude 45.4123 and longitude -122.6992 in Clackamas County. The formal boundaries for the City of Lake Oswego (see map below) encompass a land area of 10.69 sq. miles and a water area of 0.67 sq. miles. Clackamas County is in the Pacific time zone (GMT -8). The elevation is 180 feet.

While the primary coordinates for City of Lake Oswego are located in Clackamas County, it should be noted that the formal boundaries for this community also extend into Multnomah County, and Washington County.

The City of Lake Oswego (GNIS ID: 2411606) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Oregon is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Lake Oswego is located within Northwest Clackamas Division of Clackamas County.

Beneath the boundary map are tables with Lake Oswego population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Lake Oswego: Oswego.

Neighborhood Data

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City of Lake Oswego, OR Boundary Map

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Boundary Maps: Northwest Clackamas Division | Clackamas County | Oregon Counties

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Lake Oswego, OR Data & Demographics (As of July 1, 2016)


Total Population 38,172
Population in Households 37,972
Population in Familes 30,095
Population in Group Qrtrs 200
Population Density1 3,571
Diversity Index2 29


Total Households 16,597
Average Household Size 2.29
Family Households 10,491
Average Family Size 3


Total Housing Units 17,786 (100%)
Owner Occupied HU 11,019 (62.0%)
Renter Occupied HU 5,578 (31.4%)
Vacant Housing Units 1,189 ( 6.7%)
Median Home Value $555,524
Average Home Value $622,357


Median Household Income $92,817
Average Household Income $133,674
Per Capita Income $57,965
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.66% 0.89%
Households 0.69% 0.92%
Families 0.64% 0.81%
Median Household Income   2.24%
Per Capita Income   1.85%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Lake Oswego, OR - Peer Comparisons by Rank and Percentile

The table below compares Lake Oswego to the other 378 incorporated cities, towns and CDPs in Oregon by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 14 97th
Population Density1 # 52 87th
Diversity Index2 # 190 51st
Median Household Income # 7 98th
Per Capita Income # 2 100th

Additional comparisons and rankings can be made with a VERY EASY TO USE Oregon Census Data Comparison Tool.