Hamilton, WA 98255 ZIP Code Profile

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Hamilton, WA

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ZIP Code 98255: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Hamilton, WA 98255

  • ZIP Code Type: PO BOX
  • Businesses Addresses: 9
  • Single Family Addresses: 1
  • Multi-Family Addresses: 0
  • County: Skagit County
  • Centroid: Latitude 48.522, Longitude -121.989
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

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98255 ZIP Code Map

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Hamilton, WA 98255 Data & Demographics (As of July 1, 2017)


Total Population 219
Daytime Population: Workers 19
Daytime Population: Residents 118
Total Daytime Population (TDP) 137
Ratio TDP/Total Population1 0.63
Population in Households 218
Population in Familes 177
Population in Group Qrtrs 1
Population Density2 379
Diversity Index3 22


Median Household Income $60,059
Average Household Income $67,093
Per Capita Income $25,870


Total Housing Units 108 (100%)
Owner Occupied HU 66 (61.1%)
Renter Occupied HU 18 (16.7%)
Vacant Housing Units 24 (22.2%)
Median Home Value $219,231
Average Home Value $249,242


Total Households 84
Average Household Size 2.6
Family Households 59
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 0.45% 0.54%
Households 0.33% 0.47%
Families 0.24% 0.34%
Median Household Income   2.52%
Per Capita Income   2.59%

Hamilton, WA 98255 - Peer Comparisons by Rank and Percentile

The table below compares 98255 to the other 585 ZIP Codes 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 # 525 10th
Population Density # 213 64th
Diversity Index # 465 21st
Median Household Income # 218 63rd
Per Capita Income # 380 35th

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

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