Zip Code 85203
Mesa, Arizona — Maricopa County
📍 ZIP code 85203 is in Mesa, Maricopa County, Arizona.
ZIP code 85203 is located in Mesa, Maricopa County, Arizona. It is a zip code in the Mountain (MST) Time Zone with an estimated population of 37,435. The area code for ZIP code 85203 is 602.
Quick Answer
Zip code 85203 is in Mesa, Arizona (Maricopa County). It has a population of 37,435, median household income of $72,851, and median home value of $388,300.
Population
37,435
Income
$72,851
Home Value
$388,300
Climate
106°F / 39°F
About Zip Code 85203
Zip code 85203 is located in Mesa, Arizona, within Maricopa County. Home to approximately 37,435 residents, this area sits at an elevation of 1274 ft and falls within the Mountain (MST) timezone. The local area code is 602.
The median household income is $72,851 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $388,300, and the cost of living index is 114 (14% above the national average of 100).
Summers average a high of 106°F while winters drop to 39°F. The area receives about 9 in of rain annually. The zip code covers 9.2 square miles of land area and 0.5 square miles of water.
Key Statistics
37,435
$72,851
$388,300
Mountain (MST)
602
1274 ft
9.2 sq mi
33.3
14,020
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Compare With Nearby Zip Codes
| Metric | 85203 | 85213 | 85201 | 85204 | 85256 | 85210 |
|---|---|---|---|---|---|---|
| City | Mesa, AZ | Mesa, AZ | Mesa, AZ | Mesa, AZ | Scottsdale, AZ | Mesa, AZ |
| Population | 37,435 | 37,323 | 52,484 | 65,018 | 3,768 | 39,941 |
| Median Income | $72,851 | $100,671 | $63,725 | $69,474 | $51,469 | $59,680 |
| Home Value | $388,300 | $407,600 | $292,600 | $296,000 | $132,400 | $301,600 |
| Cost of Living | 114 | 131 | 85 | 94 | 60 | 91 |
| Median Age | 33.3 | 38.4 | 32.1 | 33.4 | 30.1 | 31.5 |
Cost of Living
100 = National Average. Mesa's cost of living is 14% above the national average.
vs. State Avg
Above
Affordability
Moderate
Income-to-Home
5.3x
Demographics
Zip code 85203 has a population of 37,435 people with a median age of 33.3. There are 14,020 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Mesa (85203) population trend from 2010 to 2024
↑ 27.3%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
106°F
39°F
9 in
0 in
Mesa experiences hot summers with average highs around 106°F. Winters are mild with lows averaging 39°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$388,300
Median Household Income
$72,851
With 14,020 housing units across 9.2 square miles, 85203 has a housing density of 1,524 units per square mile. The home price-to-income ratio is 5.3x.
Location & Geography
Latitude
33.4504°
Longitude
-111.8029°
Land Area
9.2 sq mi
Water Area
0.5 sq mi
Nearby Zip Codes
Zip codes closest to 85203 (Mesa, AZ) with distances:
All Zip Codes in Mesa, AZ
Other zip codes serving Mesa:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 85203's $72,851. A way to compare Mesa to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 85203 (Mesa, AZ). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Mesa, Arizona?
Mesa, Arizona uses zip code 85203 along with 10 other zip codes.
What county is zip code 85203 in?
Zip code 85203 is located in Maricopa County, Arizona.
What is the population of zip code 85203?
The population of zip code 85203 is 37,435 with a median age of 33.3.
Is 85203 in Mesa, Arizona?
Yes, zip code 85203 is in Mesa, Maricopa County, Arizona. The area code is 602.
Frequently Asked Questions
What city is zip code 85203 in?
Zip code 85203 is in Mesa, Arizona. It is part of Maricopa County and uses the Mountain (MST) timezone.
What is zip code 85203?
Zip code 85203 is a U.S. postal code in Mesa, Arizona (Maricopa County). It has a population of 37,435 and covers 9.2 square miles.
What is the population of zip code 85203?
The population of zip code 85203 (Mesa, AZ) is 37,435 with a median age of 33.3. There are approximately 14,020 housing units in this area.
What is the median income in zip code 85203?
The median household income in zip code 85203 (Mesa, AZ) is $72,851 per year. The cost of living index is 114 (100 = national average).
What is the average home price in zip code 85203?
The median home value in zip code 85203 (Mesa, AZ) is $388,300. The cost of living index is 114 compared to the national average of 100.
What county is zip code 85203 in?
Zip code 85203 is located in Maricopa County, Arizona. The primary city is Mesa.
What is the area code for zip code 85203?
Zip code 85203 in Mesa, AZ uses area code 602. It is located in the Mountain (MST) timezone.
Is zip code 85203 a good place to live?
Zip code 85203 (Mesa, AZ) has a cost of living index of 114 (100 = national average), a median household income of $72,851, and median home values of $388,300. The median age is 33.3. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 85203?
The cost of living index for zip code 85203 (Mesa, AZ) is 114, where 100 represents the national average. This area is above the national average. Median home value: $388,300.
What schools serve zip code 85203?
Zip code 85203 in Mesa, Arizona is served by the local school district of Maricopa County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.