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 classified by USPS as a standard delivery area and covers roughly 7.9 square miles in College Place, Walla Walla County, Washington. The area is home to 9,202 residents, producing a population density of 1,163 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 99324 against Washington and the nation.
On the economic side, the median household income for ZIP 99324 sits at $62,839 (31% below the Washington average), while per-capita income is $34,308. The poverty rate stands at 10.6% and the unemployment rate at 6.1%. On housing, the median home value is $368,500 (28% below the state average) with median rent at $1,188 per month, and 64.5% of occupied units are owner-occupied, a direct signal of whether 99324 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 36.5% of adults hold a bachelor's degree or higher, the median age is 33.4, and the average commute is —. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Walla Walla County, so you can benchmark 99324 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 99324
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 99324.
- Health care and social assistance
Health care and social assistance
23 establishments
- Retail trade
Retail trade
19 establishments
- Construction
Construction
13 establishments
- Other services (except public administration)
Other services (except public administration)
12 establishments
- Accommodation and food services
Accommodation and food services
11 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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
Who lives in ZIP 99324?
33.4
Median Age
49.6%
Male
50.4%
Female
10.5%
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?
$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
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
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?
3,819
Total Housing Units
3,552
Occupied Units
267
Vacant Units
2.47
Avg Household Size
Occupancy Type
$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.
- 99362
Walla Walla (99362)
41,056 residents
- 97862 11,666
Milton Freewater (97862)
11,666 residents
- 99324 9,202
College Place (99324)
9,202 residents
What this shows Among its immediate neighbors, ZIP 99324 ranks #3 by population — useful context the national average alone can't give.
ZIP 99324 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 99362
Walla Walla (99362)
$72,474 median income
- 99324
College Place (99324)
$62,839 median income
- 97862
Milton Freewater (97862)
$54,786 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.
More ZIP Codes in Walla Walla County
Related Areas
Frequently Asked Questions
What county is ZIP code 99324 in? ▼
What is the population of ZIP code 99324? ▼
What is the median household income in ZIP 99324? ▼
What is the average home value in ZIP 99324? ▼
What is the demographic makeup of ZIP 99324? ▼
How many businesses are in ZIP code 99324? ▼
What are the main industries in ZIP code 99324? ▼
How have home values changed in ZIP code 99324? ▼
What is the education level in ZIP code 99324? ▼
What percentage of residents own vs. rent in ZIP 99324? ▼
What is the poverty rate in ZIP code 99324? ▼
ZIP Code Research Guides
Official Data Resources for College Place, WA
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.