Monroe, WA Profile: Facts & Data


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Monroe, Washington - Basic Facts

The City of Monroe had a population of 18,495 as of July 1, 2018. Monroe ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Washington. See peer rankings below.

The primary coordinate point for Monroe is located at latitude 47.8598 and longitude -121.984 in Snohomish County. The formal boundaries for the City of Monroe (see map below) encompass a land area of 6.05 sq. miles and a water area of 0.06 sq. miles. Snohomish County is in the Pacific time zone (GMT -8). The elevation is 72 feet.

The City of Monroe (GNIS ID: 2411137) 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.

Washington is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Monroe is located within Monroe Division of Snohomish County.

Alternate Unofficial Names for Monroe: Park Place.

Jump to... (On This Page!)
  1. Monroe 2018 Demographic Data
  2. Growth Rates for Monroe (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Washington Research Tools (Easy Tools & Current Data)
  3. Washington 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.


Monroe, WA Data & Demographics (As of July 1, 2018)


Total Population 18,495
Population in Households 16,080
Population in Familes 13,429
Population in Group Qrtrs 2,415
Population Density2 3,059
Diversity Index3 61


Median Household Income $75,798
Average Household Income $86,776
Per Capita Income $30,200


Total Housing Units 5,648 (100%)
Owner Occupied HU 3,426 (60.7%)
Renter Occupied HU 1,958 (34.7%)
Vacant Housing Units 264 ( 4.7%)
Median Home Value $316,089
Average Home Value $360,829


Total Households 5,384
Average Household Size 2.99
Family Households 3,838
Average Family Size 4
  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 0.81% 0.98%
Households 0.84% 1.09%
Families 0.78% 1.05%
Median Household Income   2.23%
Per Capita Income   2.63%

Monroe, WA - Peer Comparisons by Rank and Percentile

The table below compares Monroe to the other 627 incorporated cities, towns and CDPs in Washington 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 # 78 88th
Population Density # 86 86th
Diversity Index # 109 83rd
Median Household Income # 179 72nd
Per Capita Income # 310 51st

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

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Compare Washington July 1, 2018 Data
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