US ZIP Code
98555

Lilliwaup, WA

Mason County  ·  Washington

● Active
👥 213 Population ↓ 33% since 2019
💰 $61,696 Median HH Income
▼ 19% below avg
🎂 69.5 Median Age
🎓 37.1% College Grads
≈ Avg
📊 0.0% Unemployment
▼ 100% below avg
ZIP Code Details
ZIP Code98555
CityLilliwaup
StateWashington (WA)
CountyMason County
Area Code360/564
Elevation2,618 ft
Latitude47.5334
Longitude-123.063352
TimezoneLos Angeles (DST)
FIPS53045
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 64.8% (138) Female 35.2% (75) ♀

Race & Ethnicity

White: 85.9%Other: 14.1%Race
White85.9%
Other14.1%

Age Breakdown

45–64
22%
65+
67%

Key Indicators

Median Age69.5 yrs
Avg Household Size1.40
Below Poverty20.2% ▲ 102% above avg
College Grads37.1% ≈ Avg
Unemployment0.0% ▼ 100% below avg
HS Graduate79 (47.3%)
Associates26 (15.6%)
Graduate Degree62 (37.1%)

Education

HS Grad: 47.3%Associates: 15.6%Graduate: 37.1%Edu
HS Grad47.3%
Associates15.6%
Graduate37.1%
Housing & Income

Housing Tenure

Owner: 80.3%Renter: 19.7%Tenure
Owner80.3%
Renter19.7%

Home Value Distribution

$150k–200k
39%
$200k–300k
10%
$300k–500k
11%
Over $500k
41%

Financials

Median HH Income$61,696 ▼ 19% below avg
Total Units858
Vacant Units706
Avg HH Size1.40

Income Distribution

Under $25k
38%
$50k–75k
35%
$150k–200k
6%
Over $200k
22%
Employment & Commute

How People Get to Work

Drove Alone
32%
Work From Home
68%

Commute Time

Under 15 min
100%
Housing Stock

Year Built

1960s–1970s
32%
1980s–1990s
10%
2000+
58%

Summary

Total Units858
Vacant706
Owner Occupied80.3%
Renter Occupied19.7%
Avg HH Size1.40
Frequently Asked Questions
ZIP code 98555 is in Lilliwaup, WA, in Mason County.
ZIP code 98555 is located in Washington (WA).
ZIP code 98555 is in Mason County, WA.
ZIP 98555 observes the Los Angeles timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 98555 is 213 people (ACS 2023).
The median household income in ZIP code 98555 is $61,696 (ACS 2023).
Home value data not available.
About ZIP Code 98555

ZIP code 98555 is located in Lilliwaup, Washington, within Mason County. With a population of 213, this is a sparsely populated ZIP code with an older community — the median age is 69.5 years. Economically, 98555 is a solidly middle-class ZIP code: the median household income of $61,696 is below the national average.

The population of 98555 is primarily White (85.92%). Residents are moderately educated — 37.1% hold a bachelor's degree or higher, which is near the national average. Poverty affects a significant share of residents at 20.2%.

A notably high share of workers — 68% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 32%.

Overall, ZIP code 98555 in Lilliwaup, WA is characterized as solidly middle-class, moderately educated, an older community, and predominantly owner-occupied.