Town guide

Ocosta, Washington

Ocosta is a community in Grays Harbor County, Washington, home to about 235 people across 3.0 square miles. It has no ZIP code of its own: it’s part of 98520.

Homes sold for a median of $169 per square foot in the three months ending August 2026, a balanced market.

Population23578 per sq mi
Median home value$122,400Census, as estimated by owners
Price per sq ft$169Sold homes, 3 months to August 2026
Sold over asking26%Latest 3 months

ZIP codes in Ocosta

1 ZIP code, 1 shared with neighboring towns

Each card is that ZIP code’s whole market, including any part outside Ocosta. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology

The Ocosta guide is on the way

We’re writing up Ocosta’s story and what everyday life there is like, for people thinking about moving in.

  • History
  • What it’s like to live there
  • Getting around
  • Things to do

Are you a local agent who knows Ocosta well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked

Around Ocosta

Distances

Nearest major airportSeattle–Tacoma International Airport (SEA)77 miles away
Closer regional airportOlympia Regional Airport (OLM)42 miles away
Nearest city of 250,000+Seattle, WA81 miles away

Straight-line distances from the center of Ocosta; driving is longer.

Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.

Who represents Ocosta

Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.

Population over time

It’s the 541st largest of 628 towns in Washington by population.

Grays Harbor County grew from 15,124 residents in 1900 to 75,636 in 2020.

Grays Harbor County, 1900–2020

Grays Harbor County population, 1900 to 20201900: 15,124, 1910: 35,590, 1920: 44,745, 1930: 59,982, 1940: 53,166, 1950: 53,644, 1960: 54,465, 1970: 59,553, 1980: 66,314, 1990: 64,175, 2000: 67,194, 2010: 72,797, 2020: 75,63615K’00’1045K’20’3053K’40’5054K’60’7066K’80’9067K’00’1076K’20

Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).

Weather by month

Average highs peak around 69°F in summer, and winter lows average 37°F. About 85 inches of rain and melted snow fall in a typical year, with about 1 inches of snow.

Average high and low temperature and precipitation by month near OcostaJan: high 48°F, low 37°F, 13.9 in; Feb: high 50°F, low 37°F, 8.6 in; Mar: high 53°F, low 38°F, 9.8 in; Apr: high 57°F, low 41°F, 6.3 in; May: high 61°F, low 47°F, 3.5 in; Jun: high 65°F, low 51°F, 2.4 in; Jul: high 68°F, low 54°F, 0.9 in; Aug: high 69°F, low 54°F, 1.5 in; Sep: high 69°F, low 51°F, 2.7 in; Oct: high 61°F, low 45°F, 8.3 in; Nov: high 52°F, low 40°F, 13.7 in; Dec: high 47°F, low 37°F, 13.4 in48°37°Jan13.950°37°Feb8.653°38°Mar9.857°41°Apr6.361°47°May3.565°51°Jun2.468°54°Jul0.969°54°Aug1.569°51°Sep2.761°45°Oct8.352°40°Nov13.747°37°Dec13.4Rain and melted snow, inches

Source: NOAA 1991–2020 climate normals, Aberdeen, WA weather station (2 miles away).

Jobs in Grays Harbor County

15,927 jobs at 1,558 businesses in Grays Harbor County. The biggest industries by employees:

Largest industries in Grays Harbor CountyRetail trade: 2,858 jobs; Health care and social assistance: 2,794 jobs; Hotels and restaurants: 2,409 jobs; Manufacturing: 1,988 jobs; Construction: 1,155 jobs; Wholesale trade: 878 jobs; Other services: 798 jobs; Administrative and support: 659 jobsRetail trade 18% Health care and social assistance 18% Hotels and restaurants 15% Manufacturing 13% Construction 7% Wholesale trade 6% Other services 5% Administrative and support 4%

Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).

Health care

417 doctors and other health care providers list an office in Ocosta.

Nearest hospitals

  • Grays Harbor Community HospitalGeneral hospital · emergency room · CMS rating 3 of 5 · AberdeenUnder a mile
  • Summit Pacific Medical CenterCritical access hospital · emergency room · CMS rating 2 of 5 · Elma19.1 miles
  • Willapa Harbor HospitalCritical access hospital · emergency room · South Bend22.3 miles

Providers with an office here

Primary care doctors27
Specialist doctors38
Dentists22
Nurse practitioners and physician assistants52
Mental health providers230
Physical and occupational therapists31
Optometrists5
Chiropractors12
Pharmacies9

Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.

Places in and around Ocosta

Parks (12 nearby)

  • James Stewart Memorial Park · 67 acres1.3 mi
  • Pioneer Park · 30 acres1.3 mi
  • Sam Benn Memorial Park · 14 acres1.2 mi
  • Morrison Riverfront Park · 7 acres0.5 mi
  • East Aberdeen Riverfront Walk · 5 acres0.8 mi
  • North Aberdeen Playfield · 3 acres0.5 mi

Grocery stores (4 nearby)

  • Walmart Supercenter0.8 mi
  • La Salvadoran Grocery1.0 mi
  • Swanson's1.0 mi
  • Safeway1.3 mi

Pharmacies (2 nearby)

  • Walmart Pharmacy0.8 mi
  • Safeway1.3 mi

Libraries (1 nearby)

  • Aberdeen Timberland Library1.2 mi

Museums

  • Polson Museum4.0 mi

Theaters and performance venues (2 nearby)

  • D&R Theatre1.2 mi
  • Driftwood Theatre1.2 mi

Counts are within about 1.5 miles of the center of town.

Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.

Schools in Ocosta

Public schools here are run by Aberdeen School District, Wishkah Valley School District. Check each district’s attendance zones for a specific address.

Public schools (14)
SchoolGradesStudentsTypeDistance
A J West ElementaryAberdeenPre-K–5281Public2.1 mi
Hopkins ElementaryAberdeenPre-K103Public1.8 mi
Robert Gray ElementaryAberdeenPre-K–5210Public0.8 mi
Stevens Elementary SchoolAberdeenPre-K–5332Public1.2 mi
Central Park ElementaryAberdeenK–5111Public4.8 mi
Grays Harbor AcademyAberdeenK–1264Alternative Education1.8 mi
McDermoth ElementaryAberdeenK–5288Public1.4 mi
Wishkah Valley Elementary/High SchoolAberdeenK–12178Public9.3 mi
Grays Harbor Juvenile DetentionAberdeen6–1211Public0.9 mi
Miller Junior HighAberdeen6–8656Public1.4 mi
Harbor Junior/Senior High SchoolAberdeen7–12128Public1.8 mi
J M Weatherwax High SchoolAberdeen9–12919Public1.1 mi
Twin Harbors A Branch of New Market Skills CenterAberdeen9–1231Career and Technical1.1 mi
Harbor Open DoorsAberdeen10–1249Alternative Education1.8 mi
Private schools (1)
SchoolGradesStudentsAffiliationDistance
St Mary SchoolAberdeenPre-K–8116Roman Catholic1.2 mi

Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.

From OfferBacked · Free

Get matched with a local agent.

Buying or selling around Ocosta? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.

Get matched

Where Ocosta is

Loading map…

Towns near Ocosta

All Washington towns →

Shares ZIP codes with Aberdeen, Central Park, Aberdeen Gardens and Markham.

Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.