Ilwaco, WA Profile: Facts, Map & Data


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Ilwaco, Washington - Basic Facts

The City of Ilwaco had a population of 916 as of July 1, 2017.

The primary coordinate point for Ilwaco is located at latitude 46.3127 and longitude -124.0267 in Pacific County. The formal boundaries for the City of Ilwaco (see map below) encompass a land area of 2.1 sq. miles and a water area of 3.83 sq. miles. Pacific County is in the Pacific time zone (GMT -8). The elevation is 16 feet.

The City of Ilwaco (GNIS ID: 2410095) 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 Ilwaco is located within Long Beach-North Beach Peninsula Division of Pacific County.

Beneath the boundary map are tables with Ilwaco population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Ilwaco, WA Boundary Map

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Boundary Maps: Long Beach-North Beach Peninsula Division | Pacific County | Washington Counties

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Ilwaco, WA Data & Demographics (As of July 1, 2017)


Total Population 916
Daytime Population: Workers 592
Daytime Population: Residents 458
Total Daytime Population (TDP) 1,050
Ratio TDP/Total Population1 1.15
Population in Households 907
Population in Familes 643
Population in Group Qrtrs 9
Population Density2 436
Diversity Index3 31


Median Household Income $41,544
Average Household Income $53,285
Per Capita Income $26,552


Total Housing Units 573 (100%)
Owner Occupied HU 294 (51.3%)
Renter Occupied HU 143 (25.0%)
Vacant Housing Units 136 (23.7%)
Median Home Value $241,176
Average Home Value $268,537


Total Households 437
Average Household Size 2.08
Family Households 240
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population -0.3% 0.02%
Households -0.19% 0.05%
Families -0.94% 0.0%
Median Household Income   1.84%
Per Capita Income   2.67%

Ilwaco, WA - Peer Comparisons by Rank and Percentile

The table below compares Ilwaco to the other 627 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2017 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 # 402 36th
Population Density # 431 31st
Diversity Index # 357 43rd
Median Household Income # 519 17th
Per Capita Income # 371 41st

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

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