District
CA-40
CA-40 · California
Explore ZIP codes in U.S. House district CA-40 — in California — 24 ZIP codes — 795,655 residents. Population, income, and housing at a glance.
ZIP codes
24
Population
795,655
State
California
Median household income (avg.)
$137,331
Average home value
$969,900
Where is congressional district CA-40?
Congressional District CA-40 includes 24 indexable ZIP codes in California on US5, with a combined ZIP-area population of about 795,655.
Larger population clusters inside this district include Orange, CA, Mission Viejo, CA, Tustin, CA, Lake Forest, CA, and Chino Hills, CA. Open any ZIP below for full demographics, housing, schools, and nearby services.
The most populous ZIP currently listed for CA-40 is 91709 (about 78,200 residents).
Income and housing in CA-40
Across ZIPs with income data in CA-40, the average median household income is about $137,331 — about 83% above the U.S. median ($75,149).
Average median home value across those ZIPs is about $969,900.
On this page’s income ranking, ZIP 92679 is near the top at about $207,652.
What is a U.S. House district?
Congressional districts are the geographic units that elect members of the U.S. House of Representatives. District CA-40 is one of California's seats in the House; boundaries are redrawn after each decennial Census.
District lines are not the same as ZIP codes, cities, counties, area codes, or TV markets. A single ZIP can touch more than one district at the edges, and US5 maps each published ZIP to a primary district code for browseability.
How to use this CA-40 page
US5 joins published ZIP profiles to congressional district codes so you can scan the district as a list of postal codes with population, income, and housing — then open any ZIP for maps, schools, commute, and climate context.
This is a place-based research view, not a voter roll, campaign tool, or live election results feed. Counts can change when geography publishes update.
ZIP codes in CA-40
| ZIP | City | County | State | Population | Income | Home value |
|---|---|---|---|---|---|---|
| 91709 | Chino Hills | San Bernardino County | CA | 78,200 | $122,784 | $829,900 |
| 92630 | Lake Forest | Orange County | CA | 66,461 | $119,984 | $858,900 |
| 92780 | Tustin | Orange County | CA | 54,495 | $98,647 | $832,200 |
| 92656 | Aliso Viejo | Orange County | CA | 52,645 | $134,538 | $849,900 |
| 92886 | Yorba Linda | Orange County | CA | 49,919 | $148,170 | $1,062,200 |
| 92705 | North Tustin | Orange County | CA | 48,680 | $125,928 | $1,135,600 |
| 92691 | Mission Viejo | Orange County | CA | 46,618 | $135,779 | $916,800 |
| 92692 | Mission Viejo | Orange County | CA | 46,568 | $133,028 | $983,800 |
| 92867 | Orange | Orange County | CA | 44,003 | $125,799 | $951,000 |
| 92688 | Rancho Santa Margarita | Orange County | CA | 43,937 | $142,015 | $857,100 |
| 92807 | Anaheim | Orange County | CA | 37,270 | $136,089 | $918,000 |
| 92869 | Orange | Orange County | CA | 36,684 | $147,047 | $935,200 |
| 92679 | Coto de Caza | Orange County | CA | 30,966 | $207,652 | $1,242,900 |
| 92782 | Tustin | Orange County | CA | 29,947 | $143,433 | $1,028,900 |
| 92653 | Laguna Hills | Orange County | CA | 29,596 | $128,623 | $978,400 |
| 92808 | Anaheim | Orange County | CA | 20,829 | $148,697 | $1,036,800 |
| 92887 | Yorba Linda | Orange County | CA | 19,985 | $161,823 | $1,130,900 |
| 92637 | Laguna Woods | Orange County | CA | 17,342 | $60,235 | $364,900 |
| 92866 | Orange | Orange County | CA | 14,776 | $83,776 | $892,200 |
| 92610 | Lake Forest | Orange County | CA | 13,182 | $181,188 | $939,000 |
| 92861 | Villa Park | Orange County | CA | 5,776 | $204,750 | $1,686,200 |
| 92823 | Brea | Orange County | CA | 5,141 | $176,543 | $1,061,200 |
| 92676 | Silverado | Orange County | CA | 1,967 | $114,167 | $797,000 |
| 92678 | Trabuco Canyon | Orange County | CA | 668 | $115,250 | $988,600 |
Frequently asked questions
Where is congressional district CA-40?
District CA-40 is a U.S. House district in California. On US5 it is linked to ZIP codes covering about 795,655 combined ZIP-area residents across 24 codes. Browse the ZIP table on this page for cities and counties.
How many ZIP codes are in district CA-40?
US5 currently lists 24 indexable ZIP codes for congressional district CA-40. Counts can change as geography publishes update.
What is the average income in district CA-40?
The average of ZIP median household incomes in CA-40 is about $137,331 (about 83% above the U.S. median ($75,149)). Individual neighborhoods vary — sort the ZIP table by income to compare.
Is a congressional district the same as a ZIP code or county?
No. House districts are drawn for representation and often cut across cities and counties. ZIP codes are postal geography. US5 links each published ZIP to a primary district code so you can browse demographics by seat.
How does US5 map ZIPs to district CA-40?
US5 joins each published ZIP profile to a congressional district code from the spatial dictionary. This page lists indexable ZIPs with that code so you can move from the district overview into local demographics.
What cities are in district CA-40?
Larger population clusters on US5 for CA-40 include Orange, CA, Mission Viejo, CA, Tustin, CA, Lake Forest, CA, and Chino Hills, CA. Open linked ZIP pages for neighborhood-level demographics.