Brinnon, WA · standard
ZIP Code 98320
Jefferson County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,250
- 5/sq mi
- $55,893
- Median income
- $285,200
- Median home value
- 25.1%
- Bachelor's or higher
The verdict
Brinnon pairs one of the lowest household incomes in the country with above-median home values, in a rural, homeowner-dominated area.
- 22th pct
- household income, US ZIPs
- Top 36%
- home value, US ZIPs
- 5
- people per sq mi
- 84%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 98320 against every reporting US ZIP.
ZIP code 98320 is a sparsely populated ZIP (a standard USPS delivery area) in Brinnon, Jefferson County, Washington, home to just 1,250 residents across 255.1 square miles, a density of 5 people per square mile, in the Los Angeles time zone.
ZIP 98320 reports a modest median household income of $55,893 (39% below the Washington average), while per-capita income is $36,149. Local economic indicators show a 16.6% poverty rate alongside 8.6% unemployment. On housing, the median home value is $285,200 (44% below the state average) with median rent at $1,266 per month, and 84.2% of occupied units are owner-occupied.
Educational attainment sits below the national norm: 25.1% of adults hold a bachelor's degree or higher, the median age is 62.7, and the average commute is -. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Jefferson County, so you can benchmark 98320 against its immediate geography rather than a national average 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 98320
Top 5 sectors by establishment count in Brinnon, WA
Which industries have the most business establishments in ZIP 98320.
- Construction
Construction
6 establishments
- Accommodation and food services
Accommodation and food services
4 establishments
- Retail trade
Retail trade
3 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 98320, Brinnon, 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
1,250
Population
255.1
Area (sq mi)
5
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 98320?
62.7
Median Age
53.1%
Male
46.9%
Female
3.6%
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?
$55,893
Median Household Income
-39% vs state
$36,149
Per Capita Income
16.6%
Poverty Rate
8.6%
Unemployment Rate
How ZIP 98320 ranks nationally
Brinnon, WA household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$55,893 22nd percentile higher than 22% 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?
1,275
Total Housing Units
564
Occupied Units
711
Vacant Units
2.14
Avg Household Size
Occupancy Type
$285,200
Median Home Value
-44% vs state
$1,266
Median Rent
1984
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
-6.0%
YoY Change (2024)
271
HPI Index (2000 = 100)
+171%
Total Change Since 2000
Home values in ZIP 98320 have decreased 6.0% over the past year (2024). Since 2000, this ZIP has seen +171% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2019 | +3.5% | 173 |
| 2020 | +10.5% | 191 |
| 2021 | +2.9% | 197 |
| 2022 | +46.6% | 289 |
| 2024 | -6.0% | 271 |
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 24 business establishments in ZIP 98320, employing approximately 88 people with a combined annual payroll of $2,836,000.
24
Businesses
88
Employees
$2.8M
Annual Payroll
3
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 6 | 25.0% |
| Accommodation and food services | 4 | 16.7% |
| Retail trade | 3 | 12.5% |
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 98320 vs 98380 →
ZIP 98320 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 98380
Seabeck (98380)
4,173 residents
- 98376
Quilcene (98376)
1,998 residents
- 98320 1,250
Brinnon (98320)
1,250 residents
What this shows Among its immediate neighbors, ZIP 98320 ranks #3 by population - useful context the national average alone can't give.
ZIP 98320 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
- 98376
Quilcene (98376)
$57,250 median income
- 98320
Brinnon (98320)
$55,893 median income
What this shows By household income, ZIP 98320 ranks #3 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
More ZIP Codes in Jefferson County
Related Areas
Frequently Asked Questions
What county is ZIP code 98320 in? ▼
What is the population of ZIP code 98320? ▼
What is the median household income in ZIP 98320? ▼
What is the average home value in ZIP 98320? ▼
What is the demographic makeup of ZIP 98320? ▼
How many businesses are in ZIP code 98320? ▼
What are the main industries in ZIP code 98320? ▼
How have home values changed in ZIP code 98320? ▼
What is the education level in ZIP code 98320? ▼
What percentage of residents own vs. rent in ZIP 98320? ▼
What is the poverty rate in ZIP code 98320? ▼
Read our methodology to see how this data is sourced, computed, and verified.