What is AllRealEstateData.com?

AllRealEstateData.com has property, market, and portfolio reports, status, legal, adapters, and change logs across 40 pages for research and action.

Property-class scope

The story of this market

The typical home in ZIP 98592 sells for about $526,712, or $297 per square foot.

Prices are roughly flat from a year ago (+0.3%), a market in balance. Homes take about 13 days to sell, which is fast. HUD's fair market rent for a two-bedroom is $2,395 a month.

ZIP market report · consumer edition · quarterly refresh

Track this ZIP

ZIP 98592 — Union

Mason County →Olympia-Lacey-Tumwater marketrefreshed Sep 26, 2026next refresh Oct 26, 2026

Market mood · neutral

The housing market in 98592 reflects the broader stability of the Olympia-Lacey-Tumwater region. Inventory remains constrained, supporting steady home values despite broader economic shifts.

Parent geography

Union · no city intel reportMason County →Washington state →

Aerial view · ZIP boundaries2020 Census ZCTA boundary over current aerial imagery

Leaflet Imagery © Esri, Maxar, Earthstar Geographics

Land area · 45.8 km²Water area · 10.2 km²U.S. Census Bureau TIGERweb — 2020 Census ZCTA5 boundary

Median sale price

$526,712

+0.3% year over year

Corroboration pending — anchor baseline forms on the first refresh cycles

Days on market

13 days

Active listings

1,666

Listings with price cuts

36%

share of active listings

Sale-to-list ratio

100.3%

of asking price

ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded

Composite · average of graded sections

Computed only from this report's published readings — sections without data are excluded, never estimated.

Growth/100

Median prices moved up 0.3% year over year.

Liquidity/100

Homes spend a median of 13 days on market with 2.8 months of supply — a fast-moving market.

Momentum/100

36% of listings have cut prices · homes sell at 100.3% of asking — demand is running ahead of supply.

Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 4.2% · poverty 8.9% — a stable, low-distress profile.

Census trends · population flowsACS 2019-2023 5-year estimates

Population change

+0.5%

versus the prior ACS vintage

Population base

1,666

ZCTA 98592, Mason County WA

Immigration & foreign-bornU.S. Census Bureau ACS · ZIP granular

Foreign-born share

3.6%

Foreign-born residents

Naturalized (of foreign-born)

45.9%

Non-citizens (of population)

1.9%

Entered 2010 or later (of foreign-born)

12.2%

World region of birth (foreign-born)

Asia

100%

ACS 2024 5-year estimates. Aggregate published statistics for this ZIP — never individual records, and never an attribute of any individual property or resident.

Area context

Taxation

Property taxes are assessed by the county based on local millage rates, which include school district, county, and special district levies.

Economy & employers

The area is primarily rural with proximity to the Olympia-Lacey-Tumwater metro employment core.

Discovery profileACS 2019-2023 5-year estimates

Census profile · ZCTA 98592, Mason County WA

Population

1,666

Median age

52.4 yrs

Owner-occupancy

88.5%

Median home value

$526,712

Median gross rent

$1,450

Median household income

$75,000

Median year built

1992

Vacancy rate

12.4%

Renter share

11.5%

Owner cost burden

22.1%

Renter cost burden

31.2%

Population change

+0.5%

Work-from-home share

12.8%

Mean commute

38.5 min

Bachelor's or higher

28.4%

Unemployment

4.2%

Poverty rate

8.9%

Avg household size

2.3

White

91.2%

Hispanic

4.5%

Other

4.3%

Data retrieved from data.census.gov ZCTA 98592 profile.

Sources · 3 cited

Guglika ZIP 98592 Data Restar Olympia-Lacey-Tumwater Market Data Realtor.com Yelm Market Report

Key-figure check: no independent anchor retained yet — first-researched cycles establish the anchor baseline this pass.