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ZIP Code 98588
Union, WA, Mason County
Population
2,114
Land area
45sq mi
People per sq mi
47
City
Union
ZIP 98588 and nearby ZIP codes
ZIP 98588 at a glance
- ZIP 98588 (Union) is 60% less dense than Washington as a whole.
- The median household income is $61,975, 37% below the Washington median of $98,141.
- A typical owner-occupied home is valued at $336,300 (40% below Washington).
Local data for ZIP 98588
Counts from official public data
Housing and community stats
ZIP 98588, American Community Survey 2020-2024
Median household income
$61,975
Poverty rate
18.1%
Median home value
$336,300
Prices +0.3% in a year
Homeownership
91.2%
Bachelor's or higher
8.7%
Median age
52.4
Average commute
49.0 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
19
ZIP Business Patterns 2023
Employees
36
$1.5M annual payroll
PPP loans
$235K
7 loans
Campaign donations
$10.1K
82% D, 1% R, 2026 cycle
Environment and hazard risk
ZIP 98588, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: landslide
Storm events since 1996
16
Countywide, mostly heavy rain
Flood insurance policies
419
1.2% of homes, county
July high / Jan low
76° / 36°F
92.0 inches of rain a year
Health statistics
Share of adults in ZIP 98588, CDC PLACES estimates
Obesity
37.4%
U.S. 33.3% +4.1 pts
Diabetes
13.2%
U.S. 12.1% +1.1 pts
Smoking
15.1%
U.S. 12.8% +2.3 pts
Uninsured (18-64)
7.8%
U.S. 11.1% -3.3 pts
Frequently asked questions
- What city is ZIP code 98588?
- ZIP code 98588 is in Union, WA (Mason County).
- What county is ZIP code 98588 in?
- ZIP code 98588 is mostly in Mason County, Washington.
- How many people live in ZIP code 98588?
- About 2,114 people live in the 98588 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.