U.S. ZIP Code tools

91789 · Population & demographics · Walnut CA

ZIP Code
91789

Walnut, CA

City / locality
Walnut
State
California
ZIP Code type
Type not provided
Latitude
34.0183
Longitude
-117.8546
Coordinate source
GeoNames Postal
Source
GeoNames Postal
Source year
Inherited source snapshot

Some U.S. place names and coordinates come from GeoNames as geographic references. They are not confirmation of the USPS preferred mailing city.

ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.

Population & demographics

acs/acs5 · 2024

ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.

Estimated population

40,298People · Margin of error ±1,155

Median age

46.3Years · Margin of error ±1.4

Median household income

125,720USD · Margin of error ±6,903

Median home value

975,000USD · Margin of error ±23,107

Total households

12,681Households · Margin of error ±493

Housing units

13,503Count · Margin of error ±479

Owner-occupied housing units

10,410Count · Margin of error ±535

Renter-occupied housing units

2,271Count · Margin of error ±313

Median monthly gross rent

2,865USD · Margin of error ±124

Household income distribution

USD · Households

$0–$9,999626±213
$10,000–$14,999166±63
$15,000–$19,999128±52
$20,000–$24,999176±76
$25,000–$29,999323±146
$30,000–$34,999272±106
$35,000–$39,999315±154
$40,000–$44,999257±91
$45,000–$49,999189±68
$50,000–$59,999484±189
$60,000–$74,999787±179
$75,000–$99,9991,231±228
$100,000–$124,9991,360±244
$125,000–$149,9991,263±308
$150,000–$199,9991,873±242
≥ $200,0003,231±299

ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.

Source

GeoNames Postal

Source year: Source vintage not supplied

GeoNames Postal

U.S. Census Bureau Gazetteer

Source year: 2026 Gazetteer

U.S. Census Bureau Gazetteer

U.S. Census Bureau ZCTA cartographic boundaries

Source year: 2020 Census ZCTA cartographic

U.S. Census Bureau ZCTA cartographic boundaries

U.S. Census Bureau ACS 5-year

Source year: 2024 ACS 5-year

U.S. Census Bureau ACS 5-year