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 Low-density area
- $55,893
- Median income Below-median income area
- $285,200
- Median home value Near-median home value
- 25.1%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Brinnon pairs one of the lowest household incomes in the country with above-median home values, in a rural, homeowner-dominated area.
- 22nd 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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 98320 (Brinnon, WA) fell -6.0% from 2023 to 2024.
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 average Washington ZIP), while per-capita income is $36,149. The poverty rate is 16.6%, with unemployment at 8.6%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $285,200 (44% below the average Washington ZIP), and median rent is $1,266; owner occupancy is 84.2%.
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 -. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Jefferson County, so 98320 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 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 ZIP avg
$36,149
Per Capita Income
16.6%
Poverty Rate
8.6%
Unemployment Rate
How ZIP 98320 ranks among Washington ZIPs
Brinnon, 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)
$55,893 10th percentile higher than 10% 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
1,275housing units
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 ZIP avg
$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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 98320, 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 (1,250 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Jefferson County
Related Areas
Frequently Asked Questions
What county is ZIP code 98320 in?
ZIP code 98320 (Brinnon) is located in Jefferson County, Washington. Jefferson County contains multiple ZIP codes, see the full list at /counties/jefferson-wa.
What is the population of ZIP code 98320?
ZIP code 98320 in Brinnon, WA has a population of 1,250 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 98320?
The median household income in ZIP 98320 is $55,893, which is 27% below the national average of $76,288.
What is the average home value in ZIP 98320?
The median home value in ZIP 98320 is $285,200, which is 3% above the national average of $278,155.
What is the demographic makeup of ZIP 98320?
The largest racial group in ZIP 98320 is White at 80.7%. Hispanic or Latino residents make up 3.2% of the population.
How many businesses are in ZIP code 98320?
ZIP code 98320 has 24 business establishments employing approximately 88 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 98320?
The top industries by establishment count in ZIP 98320 are: Construction (6), Accommodation and food services (4), Retail trade (3). There are 3 industry sectors represented in total.
How have home values changed in ZIP code 98320?
According to the FHFA House Price Index, home values in ZIP 98320 decreased by 6.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 171%. 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 98320?
In ZIP code 98320, 50.4% of residents aged 25+ have a high school diploma or higher, and 25.1% 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 98320?
In ZIP code 98320, approximately 84.2% of occupied housing units are owner-occupied and 15.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 98320?
The poverty rate in ZIP code 98320 is 16.6% 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 98320's numbers, next.
- See how ZIP 98320 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Brinnon, WA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.