98355 ZIP Code — Mineral, WA
Lewis County, Washington
ZIP code 98355 is located in Mineral, Washington, within Lewis County. It covers approximately 166.16 square miles and serves a population of 749 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 360/564.
About ZIP code 98355
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $434,200. Owner-occupancy sits near the national average at 64%.
The dominant occupation class is management, business, and professional, with arts, entertainment, and food service as the leading industry. The average commute of 35 minutes is near the national average.
Educational attainment is near the national average, with 35% of residents holding a bachelor's degree or higher.
17% of residents lack health insurance, above the national average.
749
population
166.16
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
98355 ZIP code map
Cities in ZIP code 98355
Below are the cities the US Postal Service accepts for ZIP code 98355. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Mineral | Acceptable |
| Mineral | Preferred |
Nearby ZIP codes
98330 Elbe (6.4 mi)
98336 Glenoma (9.9 mi)
98356 Morton (10.2 mi)
98304 Ashford (13.1 mi)
98328 Eatonville (13.6 mi)
98585 Silver Creek (15.7 mi)
98533 Cinebar (16.4 mi)
98564 Mossyrock (17.8 mi)
98597 Yelm (18.7 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 749 |
| Population density | 5 / sq mi |
| State FIPS | 53 |
| County FIPS | 041 |
| Geography | |
|---|---|
| Land area | 166.16 sq mi |
| Water area | 1.03 sq mi |
| Latitude | 46.6750 |
| Longitude | -122.2109 |
| Timezone | Pacific (PT) |
| Area code | 360/564 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 67.3% | 46.0% | 31.7% |
| $50k – $100k | 5.6% | 32.8% | 30.6% |
| $100k – $200k | 27.1% | 18.5% | 27.1% |
| Over $200k | 0.0% | 2.7% | 10.6% |
Demographics & statistics
749
Population
5
People per sq mi
31.9
Median age
$0
Median household income
$25,903
Per capita income
$434,200
Median home value
$0
Median monthly rent
64.1%
Home ownership
19.9%
Poverty rate
0.0%
Unemployment
294
Housing units
35.2%
Bachelor's or higher
Age distribution
Male
Female
18
Under 5
14
40
5–9
32
40
10–14
33
36
15–19
29
58
20–24
48
38
25–34
32
114
35–44
94
39
45–54
32
13
55–59
11
7
65–74
5
9
85+
7
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 221 | 29.5% |
| 18 and over | 528 | 70.5% |
| 65 and over | 28 | 3.7% |
| Median age | 31.9 years | |
Race & ethnicity
White
74.1%
Two or more races
13.7%
Asian
9.2%
American Indian / Alaska Native
2.3%
Hispanic or Latino
0.4%
Other race
0.4%
| Group | Count | % |
|---|---|---|
| White | 557 | 74.1% |
| Two or more races | 103 | 13.7% |
| Asian | 69 | 9.2% |
| American Indian / Alaska Native | 17 | 2.3% |
| Hispanic or Latino | 3 | 0.4% |
| Other race | 3 | 0.4% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 67.3% | 46.0% | 31.7% |
| $50k – $100k | 5.6% | 32.8% | 30.6% |
| $100k – $200k | 27.1% | 18.5% | 27.1% |
| Over $200k | 0.0% | 2.7% | 10.6% |
Under $10k
8.4%
$15k–$25k
21.9%
$25k–$35k
6.8%
$35k–$50k
4.2%
$50k–$75k
10.5%
$75k–$100k
10.1%
$100k–$150k
16.5%
$150k–$200k
21.5%
| Range | % of households |
|---|---|
| Under $10k | 8.4% |
| $15k–$25k | 21.9% |
| $25k–$35k | 6.8% |
| $35k–$50k | 4.2% |
| $50k–$75k | 10.5% |
| $75k–$100k | 10.1% |
| $100k–$150k | 16.5% |
| $150k–$200k | 21.5% |
| Median income | $0 |
Housing
Home values
$50k–$100k
6.6%
$200k–$300k
16.4%
$300k–$500k
61.2%
$500k–$1M
15.8%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $434,200 |
| Median rent / month | $0 |
| Owner occupied | 64.1% |
| Renter occupied | 35.9% |
| Vacant | 37.5% |
| Single-family detached | 81.5% |
| Large apartment buildings | 0.0% |
| Mobile homes | 6.9% |
| Median rooms | 4.6 |
| Avg household size (owned) | 3.25 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 10.3% |
| 2000–2009 | 22.4% |
| 1990–1999 | 11.9% |
| 1980–1989 | 0.0% |
| 1970–1979 | 36.1% |
| 1960–1969 | 9.2% |
| 1950–1959 | 0.0% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 10.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 35.9% |
| 2 bedrooms | 17.7% |
| 3 bedrooms | 35.4% |
| 4 bedrooms | 11.1% |
| 5+ bedrooms | 0.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.4% |
| 1 vehicle | 6.8% |
| 2 vehicles | 35.9% |
| 3 or more | 54.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 66.7% |
| Wood | 30.0% |
| No fuel used | 3.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 81 | 34.2% |
| Cohabiting couple | 76 | 32.1% |
| Male householder, no spouse | 36 | 15.2% |
| Female householder, no spouse | 44 | 18.6% |
| Households with children under 18 | 149 | 62.9% |
| Households with seniors (65+) | 28 | 11.8% |
| Average household size | 3.15 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 36.6% | 14.5% |
| Married | 26.4% | 36.8% |
| Separated | 11.9% | 0.0% |
| Widowed | 0.0% | 32.3% |
| Divorced | 25.1% | 16.4% |
Education
Less than 9th grade
0.7%
Some HS, no diploma
0.0%
HS graduate
28.4%
Some college, no degree
16.0%
Associate's degree
19.7%
Bachelor's degree
35.2%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 99.3% |
| Bachelor's or higher | 35.2% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 13 | 5.9% |
| Elementary school | 73 | 33.3% |
| High school | 61 | 27.9% |
| College / grad school | 72 | 32.9% |
Employment
Industry of employment
Transportation & utilities
30.1%
Arts, food & hospitality
22.8%
Finance & real estate
13.8%
Information
8.7%
Manufacturing
8.3%
Education & healthcare
7.3%
Construction
4.8%
Retail trade
3.1%
Agriculture & mining
1.0%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 46.4% |
| Service | 14.2% |
| Sales & office | 8.3% |
| Natural resources & construction | 18.7% |
| Production & transportation | 12.5% |
Employment type
| Type | % |
|---|---|
| Private sector | 95.2% |
| Government | 0.0% |
| Self-employed | 4.8% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 62.6% |
| Carpool | 1.0% |
| Public transit | 0.0% |
| Walk | 31.1% |
| Work from home | 5.2% |
| Other means | 0.0% |
| Avg commute (minutes) | 34.7 |
Poverty
All people
19.9%
Under 18 years
31.6%
18 and over
15.9%
Married-couple families
9.9%
Female-led households
100.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 28.3% |
| Retirement income | 6.8% |
| Supplemental Security | 0.0% |
| Cash public assistance | 3.4% |
| Food stamps / SNAP | 6.8% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 33.0% |
| High blood pressure | 36.2% |
| High cholesterol | 39.2% |
| Diabetes | 11.3% |
| Heart disease | 8.3% |
| Stroke | 3.8% |
| Asthma | 10.7% |
| Arthritis | 32.8% |
| Kidney disease | 3.5% |
| Pulmonary disease | 8.5% |
| Cancer | 8.6% |
| Behavior / access | % |
|---|---|
| Smoking | 16.9% |
| Binge drinking | 16.0% |
| No physical activity | 20.5% |
| Less than 7 hrs sleep | 31.0% |
| Depression | 25.5% |
| Fair or poor health | 16.1% |
| Poor mental health | 14.7% |
| Poor physical health | 12.7% |
| No health insurance | 10.2% |
| Visited doctor (checkup) | 69.5% |
| Visited dentist | 63.6% |
| Cholesterol screening | 90.3% |
| Teeth loss | 13.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 16 | 3.0% |
| Disability | % |
|---|---|
| Any disability | 18.6% |
| Under 18 | 27.6% |
| 18–64 years | 12.4% |
| 65 and over | 57.1% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 62.3% |
| Public insurance | 26.6% |
| No insurance | 16.6% |
| Uninsured under 19 | 11.8% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 717 | 95.7% |
| Spanish | 20 | 2.8% |
| Other Indo-European | 20 | 2.8% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 746 | 99.6% |
| Born in same state | 729 | 97.3% |
| Born in different state | 467 | 62.3% |
| Foreign born | 17 | 2.3% |
| Naturalized citizen | 3 | 0.4% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 153 | 20.4% |
| French | 30 | 4% |
| Ancestry | Count | % |
|---|---|---|
| Italian | 16 | 2.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 31.6% |
| Internet access | 89.9% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 98355
What city is ZIP code 98355 in?
ZIP code 98355 is primarily assigned to Mineral, Washington.
What county is ZIP code 98355 in?
ZIP code 98355 falls within Lewis County, Washington.
What is the poverty rate in ZIP code 98355?
20% of residents in ZIP code 98355 live below the poverty line, above the national average.
What is the typical home value in ZIP code 98355?
The median home value in ZIP code 98355 is $434,200.
What is the population of ZIP code 98355?
ZIP code 98355 has an estimated population of 749 residents, with a density of 5 people per square mile.
What timezone is ZIP code 98355 in?
ZIP code 98355 observes the PST timezone.