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 Moderate-density area
- $125,229
- Median income Above-median income area
- $578,900
- Median home value Above-median home value
- 29.3%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 98380 (Seabeck, WA) rose +6.3% from 2023 to 2024. The all-transactions index moved from 305.5 in 2023 to 324.7 in 2024 (2000 = 100).
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 average Washington ZIP), while per-capita income is $50,895. The poverty rate is 4.6%, with unemployment at 5.0%; those measures add context to the income figure. Median home value is $578,900 (13% above the average Washington ZIP) and median rent is $2,780; 87.8% of occupied homes are owner-occupied.
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 -. The page also surfaces 4 ZIP codes within roughly 10 miles and 6 more in Kitsap County, so 98380 can be compared with both its immediate and county-level context.
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 ZIP avg
$50,895
Per Capita Income
4.6%
Poverty Rate
5.0%
Unemployment Rate
How ZIP 98380 ranks among Washington ZIPs
Seabeck, WA household income vs. every Washington ZIP code
Median household income among 547 reporting Washington ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$125,229 Top 13% higher than 87% of 547 Washington ZIPs
Each bar is a $20K-wide band; taller bars hold more Washington 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?
Housing stock: occupied vs vacant
2,122housing units
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 ZIP avg
$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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 98380, both outside WA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (4,173 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Kitsap County
Related Areas
Frequently Asked Questions
What county is ZIP code 98380 in?
ZIP code 98380 (Seabeck) is located in Kitsap County, Washington. Kitsap County contains multiple ZIP codes, see the full list at /counties/kitsap-wa.
What is the population of ZIP code 98380?
ZIP code 98380 in Seabeck, WA has a population of 4,173 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 98380?
The median household income in ZIP 98380 is $125,229, which is 64% above the national average of $76,288.
What is the average home value in ZIP 98380?
The median home value in ZIP 98380 is $578,900, which is 108% above the national average of $278,155.
What is the demographic makeup of ZIP 98380?
The largest racial group in ZIP 98380 is White at 87.3%. Hispanic or Latino residents make up 6.2% of the population.
How many businesses are in ZIP code 98380?
ZIP code 98380 has 78 business establishments employing approximately 283 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 98380?
The top industries by establishment count in ZIP 98380 are: Construction (30), Professional, scientific, and technical services (10), Other services (except public administration) (7). There are 8 industry sectors represented in total.
How have home values changed in ZIP code 98380?
According to the FHFA House Price Index, home values in ZIP 98380 increased by 6.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 225%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 98380?
In ZIP code 98380, 55.0% of residents aged 25+ have a high school diploma or higher, and 29.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 98380?
In ZIP code 98380, approximately 87.8% of occupied housing units are owner-occupied and 12.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 98380?
The poverty rate in ZIP code 98380 is 4.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 98380's numbers, next.
- See how ZIP 98380 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Seabeck, WA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.