Seabeck, WA · standard
ZIP Code 98380
Kitsap County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 4,173
- 38/sq mi
- $125,229
- Median income
- $578,900
- Median home value
- 29.3%
- Bachelor's or higher
The verdict
Seabeck pairs a top-decile household income with top-decile home values, in a rural, homeowner-dominated area.
- Top 8%
- household income, US ZIPs
- Top 10%
- home value, US ZIPs
- 38
- people per sq mi
- 88%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 98380 against every reporting US ZIP.
ZIP code 98380 covers 108.7 square miles in Seabeck, Kitsap County, Washington (a standard USPS delivery area), with a modest 4,173 residents on file, a density of 38 people per square mile, in the Los Angeles time zone.
ZIP 98380 skews affluent, with a median household income of $125,229 (38% above the Washington average), while per-capita income is $50,895. Local economic indicators show a 4.6% poverty rate alongside 5.0% unemployment. Median home value sits at $578,900 (13% above the state average), median rent at $2,780 a month, and owner-occupancy at 87.8%.
Educational attainment sits below the national norm: 29.3% of adults hold a bachelor's degree or higher, the median age is 41.7, and the average commute is -. Beyond these figures, 4 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Kitsap County, letting you compare 98380 to its immediate surroundings rather than a national baseline alone.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 98380
Top 5 sectors by establishment count in Seabeck, WA
Which industries have the most business establishments in ZIP 98380.
- Construction
Construction
30 establishments
- Professional, scientific, and technical services 10
Professional, scientific, and technical services
10 establishments
- Other services (except public administration) 7
Other services (except public administration)
7 establishments
- Administrative and support and waste management and remediation services 5
Administrative and support and waste management and remediation services
5 establishments
- Accommodation and food services 5
Accommodation and food services
5 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 98380, Seabeck, WA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
4,173
Population
108.7
Area (sq mi)
38
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 98380?
41.7
Median Age
51.0%
Male
49.0%
Female
4.7%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$125,229
Median Household Income
+38% vs state
$50,895
Per Capita Income
4.6%
Poverty Rate
5.0%
Unemployment Rate
How ZIP 98380 ranks nationally
Seabeck, WA household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$125,229 Top 8% higher than 92% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
2,122
Total Housing Units
1,843
Occupied Units
279
Vacant Units
2.97
Avg Household Size
Occupancy Type
$578,900
Median Home Value
+13% vs state
$2,780
Median Rent
1991
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+6.3%
YoY Change (2024)
325
HPI Index (2000 = 100)
+225%
Total Change Since 2000
Home values in ZIP 98380 have increased 6.3% over the past year (2024). Since 2000, this ZIP has seen +225% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +4.1% | 231 |
| 2021 | +13.2% | 262 |
| 2022 | +20.9% | 316 |
| 2023 | -3.4% | 305 |
| 2024 | +6.3% | 325 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 78 business establishments in ZIP 98380, employing approximately 283 people with a combined annual payroll of $13,163,000.
78
Businesses
283
Employees
$13.2M
Annual Payroll
8
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 30 | 38.5% |
| Professional, scientific, and technical services | 10 | 12.8% |
| Other services (except public administration) | 7 | 9.0% |
| Administrative and support and waste management and remediation services | 5 | 6.4% |
| Accommodation and food services | 5 | 6.4% |
| Retail trade | 4 | 5.1% |
| Real estate and rental and leasing | 4 | 5.1% |
| Health care and social assistance | 3 | 3.9% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 98380 vs 98528 →
ZIP 98380 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 98312
Bremerton (98312)
30,203 residents
- 98528 9,983
Belfair (98528)
9,983 residents
- 98380 4,173
Seabeck (98380)
4,173 residents
- 98588 1,829
Tahuya (98588)
1,829 residents
- 98320 1,250
Brinnon (98320)
1,250 residents
What this shows Among its immediate neighbors, ZIP 98380 ranks #3 by population - useful context the national average alone can't give.
ZIP 98380 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 98380
Seabeck (98380)
$125,229 median income
- 98528
Belfair (98528)
$91,058 median income
- 98312
Bremerton (98312)
$90,449 median income
- 98588
Tahuya (98588)
$61,975 median income
- 98320
Brinnon (98320)
$55,893 median income
What this shows By household income, ZIP 98380 ranks the highest of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
More ZIP Codes in Kitsap County
Related Areas
Frequently Asked Questions
What county is ZIP code 98380 in? ▼
What is the population of ZIP code 98380? ▼
What is the median household income in ZIP 98380? ▼
What is the average home value in ZIP 98380? ▼
What is the demographic makeup of ZIP 98380? ▼
How many businesses are in ZIP code 98380? ▼
What are the main industries in ZIP code 98380? ▼
How have home values changed in ZIP code 98380? ▼
What is the education level in ZIP code 98380? ▼
What percentage of residents own vs. rent in ZIP 98380? ▼
What is the poverty rate in ZIP code 98380? ▼
Read our methodology to see how this data is sourced, computed, and verified.