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Orange, CA vs Rancho Santa Margarita, CA

182
Orange
California
VS
-4%
190
Rancho Santa Margarita
California

Orange, CA and Rancho Santa Margarita, CA have a very similar cost of living, with only a 4% difference in their overall index. Orange scores 182 while Rancho Santa Margarita scores 190 on the cost of living index, where 100 represents the national average. The day-to-day expenses for residents in both cities are comparable, though differences emerge when looking at specific categories.

On the housing front, median rent in Orange is $2,252/month compared to $2,481/month in Rancho Santa Margarita — a 9% difference. Home values follow the same pattern: Orange is more affordable at $900,700 median vs $907,900.

Median household income in Orange is $116,945 compared to $146,827 in Rancho Santa Margarita (-20.4%). While Rancho Santa Margarita is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Orange spend roughly 23.1% of their income on rent, more than the 20.3% in Rancho Santa Margarita.

Climate-wise, both cities share similar average temperatures (64.9°F vs 64.9°F). Rancho Santa Margarita receives more rainfall at 11.2" per year compared to 11.2" in Orange.

Income & Cost

Cost of Living Index
Orange
182
4% cheaper
Rancho Santa Margarita
190
Median Household Income
Orange
$116,945
Rancho Santa Margarita
$146,827
20% higher

Housing

Median Rent
Orange
$2,252
9% cheaper
Rancho Santa Margarita
$2,481
Median Home Value
Orange
$900,700
1% cheaper
Rancho Santa Margarita
$907,900
Population
Orange
138,723
Rancho Santa Margarita
47,257

Salary Equivalency Calculator

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Rent by Bedroom Size

HUD Fair Market Rent (FY 2026) — metro area average

Studio
Orange $2,031
Rancho Santa Margarita $2,031
1 Bed
Orange $2,272
Rancho Santa Margarita $2,272
2 Bed
Orange $2,835
Rancho Santa Margarita $2,835
3 Bed
Orange $3,599
Rancho Santa Margarita $3,599
4 Bed
Orange $4,010
Rancho Santa Margarita $4,010

Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Orange $3.28
Rancho Santa Margarita $3.28
US $3.07
🥚
Eggs (grade A, large)
Orange $2.68
Rancho Santa Margarita $2.68
US $2.50
🥛
Milk (whole)
Orange $4.31
Rancho Santa Margarita $4.31
US $4.03
🍞
Bread (white)
Orange $1.98
Rancho Santa Margarita $1.98
US $1.85
🍗
Chicken breast
Orange $4.44
Rancho Santa Margarita $4.44
US $4.14
Electricity
Orange $0.27
Rancho Santa Margarita $0.27
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Orange 64.9°F
Rancho Santa Margarita 64.9°F
Summer High
Orange 79°F
Rancho Santa Margarita 79°F
Winter Low
Orange 49°F
Rancho Santa Margarita 49°F
Rainfall
Orange 11.2"
Rancho Santa Margarita 11.2"
Rainy Days
Orange 41d
Rancho Santa Margarita 41d