Lake Oswego, OR Profile: Facts & Data


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Lake Oswego, Oregon - Basic Facts

The City of Lake Oswego had a population of 38,897 as of July 1, 2018. 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.

Alternate Unofficial Names for Lake Oswego: Oswego.

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  1. Lake Oswego 2018 Demographic Data
  2. Growth Rates for Lake Oswego (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Oregon Research Tools (Easy Tools & Current Data)
  3. Oregon Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Lake Oswego, OR Data & Demographics (As of July 1, 2018)


Total Population 38,897
Population in Households 38,694
Population in Familes 30,566
Population in Group Qrtrs 203
Population Density2 3,639
Diversity Index3 30


Median Household Income $105,306
Average Household Income $155,598
Per Capita Income $66,827


Total Housing Units 17,872 (100%)
Owner Occupied HU 11,717 (65.6%)
Renter Occupied HU 5,045 (28.2%)
Vacant Housing Units 1,110 ( 6.2%)
Median Home Value $586,267
Average Home Value $679,064


Total Households 16,762
Average Household Size 2.31
Family Households 10,596
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2018 2018-2023
Population 0.73% 1.09%
Households 0.64% 1.05%
Families 0.6% 0.94%
Median Household Income   1.15%
Per Capita Income   1.71%

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, 2018 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 # 15 96th
Population Density # 53 86th
Diversity Index # 191 49th
Median Household Income # 9 98th
Per Capita Income # 2 100th

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

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