Rents are 8% below what San Marcos's 10-year trend predicts — a better deal than its own history suggests.
Rent by unit size
These are HUD Fair Market Rents, the payment standard for a Housing Choice Voucher (Section 8). They often differ from the $3,311 market median above, and that is expected: FMR is the 40th percentile of standard-quality units and counts gross rent, so it includes essential utilities such as electricity, water, gas, sewer, and trash. The market median is asking rent, which usually excludes utilities. HUD sets FMR once a year; market rent here updates monthly.
Source: HUD Small Area Fair Market Rents. Read the methodology →
12-month history
Last updated: October 17, 2026
What the numbers show
January. Asking rents in San Marcos usually run 1.2% below trend in January and 0.9% above it in September, about $70 a month apart at today's median. Based on 11 years of data.
Rent in San Marcos is at its highest level since Zillow's records here began in January 2015.
Rent in San Marcos changed +3.3% over the year to September 2026. Across the 336 California cities Zillow tracks, the typical change was +3.4%.
From 2019 to 2024, rent in San Marcos rose 40.6% while median household income rose 38.8% ($78,797 to $109,377). Rent outpaced income.
Rent in San Marcos is 43.1% higher than in March 2020. Across the US, rent is up 37.3% over the same stretch.
Rent has risen 6 months in a row, and rose in 8 of the last 12 months.
30% of the median household income ($109,377) is $2,734 a month. That covers HUD's Fair Market Rent for up to a 1-bedroom ($2,400); a 2-bedroom is $2,970.
Vista, 5 miles away, rents for 18% less ($2,726/mo), about $7,000 a year in savings.
From Zillow's monthly rent index (ZORI) for San Marcos. 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.
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Who lives here
San Marcos, CA is majority owner-occupied, has a large share of families with children, has a median income above the national average, 43.8% of residents hold a bachelor's degree or higher.
Source: U.S. Census Bureau · ACS 2024 5-Year Estimates
How San Marcos, CA has changed in 5 years
The median rent in San Marcos, CA stood at $2,468 in 2021 and currently runs about $3,311, reflecting a 34.2% increase over the period. Local incomes tracked alongside that move, going from a median of $90,620 in 2021 to $109,377 more recently. That spread, with rent up faster than earnings, points to a tougher affordability environment than five years ago. College-educated residents now make up 43.8% of adults here, versus 40.9% in 2021. These shifts give renters and would-be renters a longer baseline for sizing up today's listings against the San Marcos, CA market of 2021.
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Can you afford rent in San Marcos on your salary?
At $3,311/mo, how San Marcos rent compares to typical pay (30% rule).
San Marcos rent by bedroom count
Median rent for each apartment size in San Marcos. Click any size for full breakdown.
Tips for renters in San Marcos
Last updated: October 17, 2026
The median rent in San Marcos is $3,311/mo as of October 2026. A studio apartment averages $2,210/mo while a 2-bedroom runs $2,970/mo. One-bedroom apartments average $2,400/mo and 3-bedroom units go for $3,970/mo.
At 36% of local median household income ($109,377/yr), San Marcos ranks as moderate compared to the national benchmark of 30%. Rents have increased 3.3% over the past year.
Frequently asked questions
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How does San Marcos rent compare to other cities in California?
At $3,311/mo, rent takes ~36% of San Marcos's median household income ($109,377/yr). The standard benchmark is 30%.
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Estimated from ZIP-level data
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