Residential delivery area · Arizona
ZIP Code 85373: Sun City, AZ
ZIP code 85373 uses the postal name Sun City, Arizona and lies entirely in Maricopa County (Census 2020 ZIP-county file). About 20,000 people live there (Census Bureau, ACS 2020-2024), the less populous of Sun City's 2 residential ZIP codes. Median household income is $72,063 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Sun City (30%) and Peoria (11%); 59% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Sun City · 2 residential ZIPs
- County
- Maricopa County
- Census places
- Sun City (30%) census-designated place; Peoria (11%)
- Metro area
- Phoenix-Mesa-Chandler, AZ
- House district
- AZ-8 119th Congress
- State
- Arizona
- Time zone
- Mountain (no daylight saving)
- Land area
- 11.3 sq mi · 1,799 people per sq mi
- PO Box ZIPs
- 85372 also use the name Sun City
Where is ZIP code 85373?
85373 centers on 33.669°, -112.300° and covers 11.3 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 85378, 85382, 85375, 85351, 85383.
The map draws ZIP code areas only. For the streets inside 85373, 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 85373 compare with the rest of Sun City?
| Measure | 85373 | In Sun City | In Maricopa County | In AZ |
|---|---|---|---|---|
| People (ACS 2020-2024) | 20,254 | 2nd of 2 | 100th of 140 | 149th of 417 |
| Median household income | $72k | 1st of 2 | 91st of 128 | 144th of 264 |
| Median home value | $349k | 1st of 2 | 99th of 129 | 150th of 282 |
Its median household income is higher than in 50% of U.S. residential ZIP codes, and it is denser than 84% 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 85373?
The 2020 Census counted 19,629 people in 85373; the ACS, which samples households over 2020-2024, estimates 20,254. Between the 2010 and 2020 censuses its population grew 13.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 20,254
- 2020 Census count
- 19,629+13.1% since 2010 (17,356)
- Households
- 9,308
- Median age
- 64.5
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 85373?
Of the 20,254 people the ACS estimates in 85373, 12.2% are under 18 and 49.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (82.7%).
- Under 1812.2%
- 18 to 6438.6%
- 65 and older49.1%
- White, not Hispanic82.7%
- Hispanic or Latino9.6%
- Other or two or more5.4%
- Asian, not Hispanic1.3%
- Black, not Hispanic0.9%
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 85373 earn?
Median household income is $72,063 (ACS 2020-2024), the 91st highest of the 128 ranked ZIP codes in Maricopa County. It is not measurably different from 2015-2019 ($67,433 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $72,063
- Income per person
- $41,278
- Below the poverty line
- 9.3%
- Unemployed (of the labor force)
- 4.0%
- Adults 25+ with a bachelor's degree
- 30.9%
- Adjusted gross income per tax return, 2022
- $70,0739,110 returns; wages 51% 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 85373?
FHFA's house price index for 85373, built from repeat sales and appraisals of the same homes, rose 110% from 2015 to 2025 and rose 51% from 2020 to 2025, and moved −0.1% in 2025.
- Median home value (owners' estimate)
- $348,500
- Median gross rent
- $1,968
- Homes owned by their occupants
- 88.4%
- Housing units
- 10,664
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 85373?
187 business establishments had a location in this ZIP code in 2023, 27 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction30
- Professional, scientific, and technical services24
- Other services (except public administration)23
- Health care and social assistance22
- Finance and insurance20
- Real estate and rental and leasing17
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 85373?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 85378 | Surprise | 9,765 | $56k | 2.0 mi |
| 85382 | Peoria | 43,729 | $92k | 3.2 mi |
| 85375 | Sun City West | 27,680 | $64k | 3.3 mi |
| 85351 | Sun City | 27,592 | $54k | 4.5 mi |
| 85383 | Peoria | 74,390 | $146k | 8.9 mi |
| 85374 | Surprise | 41,420 | $81k | 5.7 mi (near) |
| 85381 | Peoria | 27,650 | $97k | 5.8 mi (near) |
| 85363 | Youngtown | 7,015 | $68k | 5.8 mi (near) |
| 85335 | El Mirage | 36,088 | $78k | 6.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.