PlainZIP

College Place, WA · standard

ZIP Code 99324

Walla Walla County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

9,202
1,163/sq mi
$62,839
Median income
$368,500
Median home value
36.5%
Bachelor's or higher

The verdict

College Place pairs a below-median household income with upper-quartile home values, in a low-density, homeowner-dominated area.

34th pct
household income, US ZIPs
Top 24%
home value, US ZIPs
1,163
people per sq mi
65%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99324 against every reporting US ZIP.

ZIP code 99324 is a mid-sized community (a standard USPS delivery area) in College Place, Walla Walla County, Washington, home to 9,202 residents across 7.9 square miles, a density of 1,163 people per square mile, in the Los Angeles time zone.

ZIP 99324 reports a modest median household income of $62,839 (31% below the Washington average), while per-capita income is $34,308. Local economic indicators show a 10.6% poverty rate alongside 6.1% unemployment. Median home value sits at $368,500 (28% below the state average), median rent at $1,188 a month, and owner-occupancy at 64.5%.

A solid share of residents have a four-year degree: 36.5% of adults hold a bachelor's degree or higher, the median age is 33.4, and the average commute is -. A geography-based comparison follows: 2 ZIP codes within about 10 miles of 99324, plus 6 more within Walla Walla County, give a clearer read than the 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 99324

Top 5 sectors by establishment count in College Place, WA

Which industries have the most business establishments in ZIP 99324.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 99324, College Place, 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

9,202

Population

7.9

Area (sq mi)

1,163

People / sq mi

Los Angeles

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 99324?

33.4

Median Age

49.6%

Male

50.4%

Female

10.5%

Foreign-Born

White 74.1%
African American 0.9%
Asian 3.1%
American Indian or Alaska Native 0.6%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 11.7%
Hispanic or Latino 19.2%

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?

$62,839

Median Household Income

-31% vs state

$34,308

Per Capita Income

10.6%

Poverty Rate

6.1%

Unemployment Rate

How ZIP 99324 ranks nationally

College Place, WA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$62,839 34th percentile higher than 34% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 51.6%
Bachelor's Degree or Higher 36.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

3,819

Total Housing Units

3,552

Occupied Units

267

Vacant Units

2.47

Avg Household Size

Occupancy Type

Owner 64.5%
Renter 35.5%

$368,500

Median Home Value

-28% vs state

$1,188

Median Rent

1981

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

-3.3%

YoY Change (2024)

306

HPI Index (2000 = 100)

+206%

Total Change Since 2000

Home values in ZIP 99324 have decreased 3.3% over the past year (2024). Since 2000, this ZIP has seen +206% cumulative appreciation.

Year Annual Change HPI Index
2020 +6.5% 223
2021 +14.3% 255
2022 +21.1% 309
2023 +2.4% 316
2024 -3.3% 306

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 122 business establishments in ZIP 99324, employing approximately 2,384 people with a combined annual payroll of $73,742,000.

122

Businesses

2,384

Employees

$73.7M

Annual Payroll

12

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 23 18.9%
Retail trade 19 15.6%
Construction 13 10.7%
Other services (except public administration) 12 9.8%
Accommodation and food services 11 9.0%
Real estate and rental and leasing 8 6.6%
Administrative and support and waste management and remediation services 8 6.6%
Professional, scientific, and technical services 7 5.7%
Manufacturing 6 4.9%
Finance and insurance 6 4.9%
Transportation and warehousing 3 2.5%
Arts, entertainment, and recreation 3 2.5%

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 99324 vs 99362 →

ZIP 99324 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 99324 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 99324 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 99324 ranks #2 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
99362 Walla Walla, WA 41,056 5.0 mi
97862 Milton Freewater, OR 11,666 9.0 mi

More ZIP Codes in Walla Walla County

99362 standard
Walla Walla, WA
Pop: 41,056
99323 standard
Burbank, WA
Pop: 3,684
99361 standard
Waitsburg, WA
Pop: 1,902
99348 standard
Prescott, WA
Pop: 1,364
99360 standard
Touchet, WA
Pop: 1,350
99363 standard
Wallula, WA
Pop: 216

Related Areas

Walla Walla County College Place, WA Washington

Frequently Asked Questions

What county is ZIP code 99324 in? ▼
ZIP code 99324 (College Place) is located in Walla Walla County, Washington. Walla Walla County contains multiple ZIP codes, see the full list at /counties/walla-walla-wa.
What is the population of ZIP code 99324? ▼
ZIP code 99324 in College Place, WA has a population of 9,202 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 99324? ▼
The median household income in ZIP 99324 is $62,839, which is 18% below the national average of $76,288.
What is the average home value in ZIP 99324? ▼
The median home value in ZIP 99324 is $368,500, which is 32% above the national average of $278,155.
What is the demographic makeup of ZIP 99324? ▼
The largest racial group in ZIP 99324 is White at 74.1%. Hispanic or Latino residents make up 19.2% of the population.
How many businesses are in ZIP code 99324? ▼
ZIP code 99324 has 122 business establishments employing approximately 2,384 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 99324? ▼
The top industries by establishment count in ZIP 99324 are: Health care and social assistance (23), Retail trade (19), Construction (13). There are 12 industry sectors represented in total.
How have home values changed in ZIP code 99324? ▼
According to the FHFA House Price Index, home values in ZIP 99324 decreased by 3.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 206%. 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 99324? ▼
In ZIP code 99324, 51.6% of residents aged 25+ have a high school diploma or higher, and 36.5% 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 99324? ▼
In ZIP code 99324, approximately 64.5% of occupied housing units are owner-occupied and 35.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 99324? ▼
The poverty rate in ZIP code 99324 is 10.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.