Residential delivery area · Arizona
ZIP Code 85203: Mesa, AZ
ZIP code 85203 is in Mesa, Arizona, entirely in Maricopa County (Census 2020 ZIP-county file). About 38,000 people live there (Census Bureau, ACS 2020-2024), the 9th most populous of Mesa's 13 residential ZIP codes. Median household income is $73,578 (Census Bureau, ACS 2020-2024). By Census place, 78% of its land lies in Mesa; 22% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Mesa · 13 residential ZIPs
- County
- Maricopa County
- Census places
- Mesa
- Metro area
- Phoenix-Mesa-Chandler, AZ
- House districts
- AZ-4 (78%), AZ-1 (22%) 119th Congress, by share of land
- State
- Arizona
- Time zone
- Mountain (no daylight saving)
- Land area
- 9.3 sq mi · 4,108 people per sq mi
Where is ZIP code 85203?
85203 centers on 33.450°, -111.803° and covers 9.3 square miles of land plus 0.6 of water. It borders 5 ZIP codes: 85213, 85201, 85204, 85256, 85215.
The map draws ZIP code areas only. For the streets inside 85203, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 85203 compare with the rest of Mesa?
| Measure | 85203 | In Mesa | In Maricopa County | In AZ |
|---|---|---|---|---|
| People (ACS 2020-2024) | 38,035 | 9th of 13 | 62nd of 140 | 78th of 417 |
| Median household income | $74k | 7th of 13 | 88th of 128 | 135th of 264 |
| Median home value | $439k | 4th of 13 | 66th of 129 | 92nd of 282 |
Its median household income is higher than in 53% of U.S. residential ZIP codes, and it is denser than 92% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 85203?
The 2020 Census counted 37,962 people in 85203; the ACS, which samples households over 2020-2024, estimates 38,035. Between the 2010 and 2020 censuses its population grew 6.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 38,035
- 2020 Census count
- 37,962+6.8% since 2010 (35,541)
- Households
- 13,337
- Median age
- 33.2
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 85203?
Of the 38,035 people the ACS estimates in 85203, 26.1% are under 18 and 12.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (54.3%), then Hispanic or Latino (30.7%).
- Under 1826.1%
- 18 to 6461.5%
- 65 and older12.3%
- White, not Hispanic54.3%
- Hispanic or Latino30.7%
- Other or two or more9.1%
- Black, not Hispanic4.0%
- Asian, not Hispanic1.9%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 85203 earn?
Median household income is $73,578 (ACS 2020-2024), the 88th highest of the 128 ranked ZIP codes in Maricopa County. It is not measurably different from 2015-2019 ($67,385 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $73,578
- Income per person
- $35,587
- Below the poverty line
- 13.7%
- Unemployed (of the labor force)
- 4.8%
- Adults 25+ with a bachelor's degree
- 28.4%
- Adjusted gross income per tax return, 2022
- $72,44015,930 returns; wages 68% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 85203?
FHFA's house price index for 85203, built from repeat sales and appraisals of the same homes, rose 135% from 2015 to 2025 and rose 61% from 2020 to 2025, and moved +3.1% in 2025.
- Median home value (owners' estimate)
- $439,100
- Median gross rent
- $1,534
- Homes owned by their occupants
- 56.6%
- Housing units
- 14,112
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 85203?
798 business establishments had a location in this ZIP code in 2023, 65 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance143
- Professional, scientific, and technical services113
- Construction112
- Retail trade74
- Other services (except public administration)71
- Administrative and support and waste management and remediation services70
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 85203?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 85213 | Mesa | 36,836 | $104k | 2.1 mi |
| 85201 | Mesa | 51,400 | $67k | 3.0 mi |
| 85204 | Mesa | 65,155 | $72k | 3.9 mi |
| 85256 | Scottsdale | 3,504 | $45k | 3.9 mi |
| 85215 | Mesa | 16,888 | $99k | 13.6 mi |
| 85210 | Mesa | 39,015 | $62k | 4.8 mi (near) |
| 85205 | Mesa | 45,116 | $73k | 5.3 mi (near) |
| 85206 | Mesa | 37,235 | $76k | 6.2 mi (near) |
| 85202 | Mesa | 38,750 | $72k | 6.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.