ZIP 92603
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12-month history
Last updated: October 17, 2026
What the numbers show
May. Asking rents in ZIP 92603 usually run 0.7% below trend in May and 0.6% above it in October, about $56 a month apart at today's median. Based on 8 years of data.
Rent in ZIP 92603 is at its highest level since Zillow's records here began in January 2018.
Rent in ZIP 92603 changed +4.6% over the year to September 2026. Across the 819 California ZIP codes Zillow tracks, the typical change was +3.2%.
From 2019 to 2024, rent in ZIP 92603 rose 39.4% while median household income rose 18.1% ($146,505 to $173,094). Rent outpaced income.
Rent in ZIP 92603 is 46.4% higher than in March 2020. Across the US, rent is up 37.3% over the same stretch.
Rent has risen 4 months in a row, and rose in 9 of the last 12 months.
30% of the median household income ($173,094) is $4,327 a month. That covers HUD's Fair Market Rent for up to a 1-bedroom ($3,960); a 2-bedroom is $4,670.
8th cheapest of 8 ZIP codes in Irvine.
ZIP 92637, 3 miles away, rents for 29% less ($3,081/mo), about $14,800 a year in savings.
From Zillow's monthly rent index (ZORI) for ZIP 92603. The seasonal pattern compares Zillow’s seasonally adjusted and unadjusted series. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.
Who lives here
ZIP 92603 (Irvine, CA) is roughly split between renters and owners, has a median income above the national average, 75.5% of residents hold a bachelor's degree or higher.
Source: U.S. Census Bureau · ACS 2024 5-Year Estimates
How ZIP 92603 in Irvine, CA has changed in 5 years
Across the past five years, the going rent in ZIP 92603 in Irvine, CA has shifted from $3,066 to $4,315, up 40.7% since 2021. Median household income declined from $175,012 to $173,094 between 2021 and 2024, a 1.1% shift. Because rent grew faster than wages over the same span, the affordability picture has tightened relative to 2021. Census counts show ZIP 92603 in Irvine, CA losing about 741 residents over the five-year window, down 3.9% on net. The renter share has risen from 40.8% to 45%, with owner-occupied housing accounting for the remainder. Taken together, the five-year picture in ZIP 92603 in Irvine, CA reflects how housing costs and the people paying them have evolved through a stretch that included a pandemic, a hot rental market, and a recent cooling phase.
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Tips for renters in ZIP 92603
Last updated: October 17, 2026
ZIP code 92603 covers Irvine, CA. The median rent here is $4,315/mo as of October 2026. A 1-bedroom rents for a median of $3,960/mo. A 2-bedroom rents for a median of $4,670/mo.
At 30% of local median household income ($173,094/yr), ZIP 92603 ranks as moderate compared to the national benchmark of 30%. Rents have increased 4.6% over the past year.
Frequently asked questions
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At $4,315/mo, rent takes ~30% of ZIP 92603's median household income ($173,094/yr). The standard benchmark is 30%.
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