Residential delivery area · Arizona
ZIP Code 85143: San Tan Valley, AZ
ZIP code 85143 is in San Tan Valley, Arizona, entirely in Pinal County (Census 2020 ZIP-county file). About 44,000 people live there (Census Bureau, ACS 2020-2024), the less populous of San Tan Valley's 2 residential ZIP codes. Median household income is $93,707 (Census Bureau, ACS 2020-2024). By Census place, its land lies in San Tan Valley (79%) and Florence (6%); 16% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- San Tan Valley · 2 residential ZIPs
- County
- Pinal County
- Census places
- San Tan Valley (79%) census-designated place; Florence (6%)
- Metro area
- Phoenix-Mesa-Chandler, AZ
- House districts
- AZ-5 (79%), AZ-2 (21%) 119th Congress, by share of land
- State
- Arizona
- Time zone
- Mountain (no daylight saving)
- Land area
- 31.3 sq mi · 1,421 people per sq mi
- PO Box ZIPs
- 85144 also use the name San Tan Valley
Where is ZIP code 85143?
85143 centers on 33.156°, -111.520° and covers 31.3 square miles of land. It borders 4 ZIP codes: 85140, 85142, 85128, 85132.
The map draws ZIP code areas only. For the streets inside 85143, 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 85143 compare with the rest of San Tan Valley?
| Measure | 85143 | In San Tan Valley | In Pinal County | In AZ |
|---|---|---|---|---|
| People (ACS 2020-2024) | 44,444 | 2nd of 2 | 7th of 35 | 51st of 417 |
| Median household income | $94k | 2nd of 2 | 8th of 24 | 71st of 264 |
| Median home value | $389k | 2nd of 2 | 10th of 29 | 121st of 282 |
Its median household income is higher than in 76% of U.S. residential ZIP codes, and it is denser than 81% 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 85143?
The 2020 Census counted 41,720 people in 85143; the ACS, which samples households over 2020-2024, estimates 44,444. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 44,444
- 2020 Census count
- 41,720
- Households
- 14,242
- Median age
- 37.4
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 85143?
Of the 44,444 people the ACS estimates in 85143, 25.1% are under 18 and 14.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (62.0%), then Hispanic or Latino (25.9%).
- Under 1825.1%
- 18 to 6460.7%
- 65 and older14.2%
- White, not Hispanic62.0%
- Hispanic or Latino25.9%
- Other or two or more5.3%
- Black, not Hispanic5.0%
- Asian, not Hispanic1.7%
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 85143 earn?
Median household income is $93,707 (ACS 2020-2024), the 8th highest of the 24 ranked ZIP codes in Pinal County.
- Median household income
- $93,707
- Income per person
- $35,206
- Below the poverty line
- 8.2%
- Unemployed (of the labor force)
- 3.9%
- Adults 25+ with a bachelor's degree
- 22.2%
- Adjusted gross income per tax return, 2022
- $64,97019,020 returns; wages 82% 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 85143?
FHFA's house price index for 85143, built from repeat sales and appraisals of the same homes, rose 138% from 2015 to 2025 and rose 58% from 2020 to 2025, and moved +1.2% in 2025.
- Median home value (owners' estimate)
- $389,200
- Median gross rent
- $2,074
- Homes owned by their occupants
- 80.1%
- Housing units
- 15,999
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 85143?
349 business establishments had a location in this ZIP code in 2023, 125 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction63
- Professional, scientific, and technical services45
- Health care and social assistance41
- Accommodation and food services38
- Administrative and support and waste management and remediation services36
- Other services (except public administration)23
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 85143?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 85140 | San Tan Valley | 51,260 | $102k | 6.6 mi |
| 85142 | Queen Creek | 93,700 | $129k | 8.8 mi |
| 85128 | Coolidge | 19,487 | $66k | 13.4 mi |
| 85132 | Florence | 38,671 | $79k | 23.7 mi |
| 85147 | Sacaton | 4,911 | $49k | 12.5 mi (near) |
| 85191 | Valley Farms | 32 | – | 12.5 mi (near) |
| 85212 | Mesa | 55,283 | $126k | 13.1 mi (near) |
| 85298 | Gilbert | 44,114 | $156k | 13.4 mi (near) |
| 85297 | Gilbert | 37,475 | $131k | 15.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.