85373 ZIP Code, Sun City, AZ
85373 is a ZIP code in Sun City, Arizona in Maricopa County. It covers 11 square miles of land. The closest ZIP codes are 85378, 85382 and 85375. 20,254 people live here in 9,308 households. At about 1,799 people per square mile it has suburban density, and most homes are owner-occupied (88%). Median household income is $72,063, close to the Arizona median of $79,964; the median age is 64.5, older than most ZIP codes.
Quick facts
- Mailing city: Sun City, AZ
- County: Maricopa County
- Land area: 11 sq mi
- Population: 20,254
- Median household income: $72,063
- Carrier routes: 16 (9,680 homes)
Key figures
| Measure | Value |
|---|---|
| Residents | 20,254 |
| Households | 9,308 |
| Median household income | $72,063 |
| Income per person | $41,278 |
| Median age | 64.5 |
| Homeowners | 88.4% |
| Median home value | $348,500 |
| Median rent | $1,968 |
| Bachelor's degree or higher | 30.9% |
| Average commute (minutes) | 28.5 |
| Households with kids under 18 | 14.1% |
| Moved in the past year | 10.9% |
| Below the poverty line | 9.3% |
| Broadband internet | 90.0% |
| Speak a non-English language at home | 7.8% |
Household income
| % of households | Value |
|---|---|
| <$10K | 5.0% |
| $10–15K | 2.1% |
| $15–25K | 6.6% |
| $25–35K | 5.8% |
| $35–50K | 12.8% |
| $50–75K | 21.4% |
| $75–100K | 14.2% |
| $100–150K | 20.2% |
| $150–200K | 5.6% |
| $200K+ | 6.2% |
Age
| % of all residents | Value |
|---|---|
| <10 | 6.1% |
| 10–19 | 7.1% |
| 20–24 | 2.8% |
| 25–34 | 8.3% |
| 35–44 | 7.4% |
| 45–54 | 7.2% |
| 55–64 | 11.9% |
| 65–74 | 20.7% |
| 75+ | 28.5% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 41.0% |
| Owned outright | 36.3% |
| Rented | 10.1% |
| Vacant | 12.7% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 70.7% |
| Townhome | 13.9% |
| 2–4 units | 0.8% |
| 5–19 units | 2.8% |
| 20+ units | 3.6% |
| Mobile / other | 8.2% |
Businesses in 85373
187 business establishments with 1,256 employees (ZIP Codes Business Patterns 2023).
- Construction: 30
- Professional, Scientific, and Technical Services: 24
- Other Services (except Public Administration): 23
- Health Care and Social Assistance: 22
- Finance and Insurance: 20
- Real Estate and Rental and Leasing: 17
- Administrative and Support and Waste Management and Remediation Services: 14
- Retail Trade: 9
EDDM carrier routes
85373 has 16 USPS carrier routes with 9,680 residential and 99 business mailboxes. Open the EDDM route map.
Carrier routes in 85373
85373 has 16 USPS carrier routes (11 city (C), 5 rural (R)) with 9,680 residential and 99 business mailboxes. Routes range from 108 homes (C067) to 793 homes (R006); the median route has 604 homes. The Census counted 9,308 households in 85373 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.
| Homes per route | Routes |
|---|---|
| 1–249 | 1 |
| 250–499 | 1 |
| 500–749 | 10 |
| 750–999 | 4 |
| 1,000–1,499 | 0 |
| 1,500+ | 0 |
Best routes in 85373 for…
Most businesses
For B2B offers: office supplies, cleaning, IT, catering and commercial services.
- Route C062 — USPS business mailboxes 36, 663 homes
- Route R005 — USPS business mailboxes 26, 782 homes
- Route C064 — USPS business mailboxes 11, 496 homes
- Route C063 — USPS business mailboxes 7, 640 homes
- Route R004 — USPS business mailboxes 5, 770 homes
Select these 5 routes on the route map
Every carrier route in 85373
| Route | Type | Homes | Businesses | Est. median income | Est. owners | Est. families with kids | Est. moved in past year |
|---|---|---|---|---|---|---|---|
| C055 | City | 599 | 4 | $63,041 | — | — | — |
| C058 | City | 608 | 0 | $60,932 | — | — | — |
| C060 | City | 539 | 0 | $55,684 | — | — | — |
| C061 | City | 591 | 2 | $55,684 | — | — | — |
| C062 | City | 663 | 36 | $41,915 | — | — | — |
| C063 | City | 640 | 7 | $56,811 | — | — | — |
| C064 | City | 496 | 11 | $56,811 | — | — | — |
| C066 | City | 571 | 3 | $62,390 | — | — | — |
| C067 | City | 108 | 0 | $62,390 | — | — | — |
| C068 | City | 615 | 0 | $54,579 | — | — | — |
| C080 | City | 592 | 2 | $55,684 | — | — | — |
| R001 | Rural | 776 | 2 | $82,657 | — | — | — |
| R004 | Rural | 770 | 5 | $142,257 | — | — | — |
| R005 | Rural | 782 | 26 | $50,917 | — | — | — |
| R006 | Rural | 793 | 0 | $112,206 | — | — | — |
| R107 | Rural | 537 | 1 | $50,917 | — | — | — |
Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 85373 on the EDDM route map.
How route demographics are estimated
Mailbox counts come from USPS; demographics are estimates
The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).
How a route gets its figures: the block-group length-share method
We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.
Margins of error
Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.
Different years
USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.
Why some routes show identical figures
Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.
Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Nearby ZIP codes
- 85378 — Surprise city, AZ (2 mi)
- 85382 — Peoria city, AZ (3.2 mi)
- 85375 — Sun City West CDP, AZ (3.3 mi)
- 85351 — Sun City CDP, AZ (4.5 mi)
- 85374 — Surprise city, AZ (5.7 mi)
- 85363 — Youngtown town, AZ (5.8 mi)
- 85381 — Peoria city, AZ (5.8 mi)
- 85335 — El Mirage city, AZ (6 mi)
Areas that include 85373
- Peoria, AZ ZIP codes — 6 ZIP codes
- Sun City, AZ ZIP codes — 2 ZIP codes
- Maricopa County ZIP codes — 139 ZIP codes
- Arizona ZIP code data
Where it ranks
- No. 18 of 131: highest share of owner-occupied homes in Maricopa County
- No. 5 of 131: highest median age in Maricopa County
Mail every home in 85373
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 85373, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 85373 in?
- 85373 is a Sun City, AZ mailing address. By land area, 30% lies inside Sun City and 11% lies inside Peoria; the rest is outside any Census-defined city or community.
- What county is 85373 in?
- 85373 is in Maricopa County.
- What is the population of 85373?
- About 20,254 people (±1,305), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 19,629.
- What is the median household income in 85373?
- $72,063 (±$4,792), compared with $79,964 for Arizona as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 85373?
- 16 USPS carrier routes with 9,680 residential and 99 business mailboxes (9,779 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
- What ZIP codes are near 85373?
- The closest, measured center to center: 85378 (2 mi, Surprise), 85382 (3.2 mi, Peoria), 85375 (3.3 mi, Sun City West), 85351 (4.5 mi, Sun City), 85374 (5.7 mi, Surprise) and 85363 (5.8 mi, Youngtown).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.