ZIP Code 91789
| ZIP Code | 91789 |
| City | WALNUT |
| State | CA |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 41,829 (see all) |
Cities in ZIP Code 91789
Primary city: WALNUT, CAAcceptable: CITY INDUSTRY, CITY OF INDUSTRY, DIAMOND BAR
Post offices
WALNUT — Post Office™ 280 S LEMON AVE WALNUT, CA 91788-9998 MoreWALNUT — Post Office™280 S LEMON AVE For facility accessibility, please call the Post Office. 1-800-ASK-USPS® (800-275-8777) Hours
Services at this Location Service hours may vary.
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Map
Census data for ZIP Code 91789
Demographic and housing estimates in ZIP Code 91789
| Total population | 41,829 |
| Male | 20,062 |
| Female | 21,767 |
| Total population | 41,829 |
| Under 5 years | 1,995 |
| 5 to 9 years | 2,225 |
| 10 to 14 years | 2,671 |
| 15 to 19 years | 1,987 |
| 20 to 24 years | 2,117 |
| 25 to 34 years | 5,142 |
| 35 to 44 years | 4,653 |
| 45 to 54 years | 5,394 |
| 55 to 59 years | 3,718 |
| 60 to 64 years | 3,427 |
| 65 to 74 years | 5,588 |
| 75 to 84 years | 2,188 |
| 85 years and over | 724 |
| Median age (years) | 45.2 |
| Under 18 years | 8,272 |
| 16 years and over | 34,520 |
| 18 years and over | 33,557 |
| 21 years and over | 32,614 |
| 62 years and over | 10,491 |
| 65 years and over | 8,500 |
| Total population | 41,829 |
| One race | 39,058 |
| White | 7,284 |
| Black or African American | 1,100 |
| American Indian and Alaska Native | 191 |
| Asian | 27,533 |
| Native Hawaiian and Other Pacific Islander | 174 |
| Some other race | 2,776 |
| Two or more races | 2,771 |
| Citizen, VOTING AGE 18 and over population | 29,332 |
| Male Citizen, VOTING AGE 18 and over population | 14,634 |
| Female Citizen, VOTING AGE 18 and over population | 14,698 |
Social characteristics in ZIP Code 91789
| Total households | 12,695 |
| Family households (families) | 8,827 |
| Married-couple family | 328 |
| Male householder, no wife present, family | 1,181 |
| Female householder, no husband present, family | 408 |
| Nonfamily households | 2,359 |
| Average household size | 5,244 |
| Average family size | 3.29 |
Economic characteristics in ZIP Code 91789
| Total households | 12,695 |
| Less than $10,000 | 617 |
| $10,000 to $14,999 | 115 |
| $15,000 to $24,999 | 564 |
| $25,000 to $34,999 | 570 |
| $35,000 to $49,999 | 650 |
| $50,000 to $74,999 | 1,627 |
| $75,000 to $99,999 | 1,386 |
| $100,000 to $149,999 | 2,806 |
| $150,000 to $199,999 | 1,680 |
| $200,000 or more | 2,680 |
| Median household income (dollars) | 116,583 |
Housing characteristics in ZIP Code 91789
| Total housing units | 13,462 |
| Occupied housing units | 12,695 |
| Vacant housing units | 767 |
| Total housing units | 13,462 |
| 1-unit, detached | 11,664 |
| 1-unit, attached | 695 |
| 2 units | 23 |
| 3 or 4 units | 201 |
| 5 to 9 units | 32 |
| 10 to 19 units | 43 |
| 20 or more units | 283 |
| Mobile home | 511 |
| Boat, RV, van, etc. | 10 |
| Total housing units | 13,462 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 209 |
| Built 2000 to 2009 | 454 |
| Built 1990 to 1999 | 878 |
| Built 1980 to 1989 | 6,155 |
| Built 1970 to 1979 | 3,439 |
| Built 1960 to 1969 | 1,875 |
| Built 1950 to 1959 | 324 |
| Built 1940 to 1949 | 46 |
| Built 1939 or earlier | 82 |
| Total housing units | 13,462 |
| 1 room | 58 |
| 2 rooms | 47 |
| 3 rooms | 308 |
| 4 rooms | 1,283 |
| 5 rooms | 2,276 |
| 6 rooms | 2,712 |
| 7 rooms | 2,732 |
| 8 rooms | 2,359 |
| 9 rooms or more | 1,687 |
| Median rooms | 6.5 |
| Total housing units | 13,462 |
| No bedroom | 67 |
| 1 bedroom | 107 |
| 2 bedrooms | 1,077 |
| 3 bedrooms | 4,366 |
| 4 bedrooms | 6,271 |
| 5 or more bedrooms | 1,574 |
| Occupied housing units | 12,695 |
| Owner-occupied | 10,489 |
| Renter-occupied | 2,206 |
| Average household size of owner-occupied unit | 3.23 |
| Average household size of renter-occupied unit | 3.57 |
| Occupied housing units | 12,695 |
| Moved in 2017 or later | 678 |
| Moved in 2015 to 2016 | 2,139 |
| Moved in 2010 to 2014 | 1,745 |
| Moved in 2000 to 2009 | 2,737 |
| Moved in 1990 to 1999 | 2,710 |
| Moved in 1989 and earlier | 2,686 |
| Owner-occupied units | 10,489 |
| Less than $50,000 | 94 |
| $50,000 to $99,999 | 352 |
| $100,000 to $149,999 | 134 |
| $150,000 to $199,999 | 47 |
| $200,000 to $299,999 | 29 |
| $300,000 to $499,999 | 613 |
| $500,000 to $999,999 | 7,137 |
| $1,000,000 or more | 2,083 |
| Median (dollars) | 790,500 |
| Owner-occupied units | 10,489 |
| Housing units with a mortgage | 6,515 |
| Housing units without a mortgage | 3,974 |
| Occupied units paying rent | 1,871 |
| Less than $500 | 0 |
| $500 to $999 | 79 |
| $1,000 to $1,499 | 129 |
| $1,500 to $1,999 | 255 |
| $2,000 to $2,499 | 427 |
| $2,500 to $2,999 | 475 |
| $3,000 or more | 506 |
| Median (dollars) | 2,548 |
| No rent paid | 335 |
Data is based on 2021 Census