ZIP code 85378
Where is ZIP code 85378?
Surprise, Arizona
Maricopa County · Standard ZIP code
ZIP code 85378 belongs to Surprise, Arizona in Maricopa County. 85378 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Mountain Time (no daylight saving) zone and uses area code 623. About 9,765 people live in the 85378 area, where the median household income is $56,444. The closest ZIP codes are 85374 (Surprise, 0.1 mi east), 85373 (Sun City, 2.1 mi north) and 85376 (Sun City West, 2.2 mi north).
| ZIP code | 85378 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Surprise |
| State | Arizona (AZ) |
| County | Maricopa County |
| Time zone | Mountain Time (no daylight saving) · now |
| Area code | 623 |
| Coordinates | 33.6306, -112.3332 map |
| 3-digit prefix | 853 |
Population and income in 85378
| Population | 9,765 · higher than 50% of Arizona ZIP codes |
|---|---|
| People per square mile | 2,713 · higher than 79% of Arizona ZIP codes |
| Median age | 41.9 years · higher than 52% of Arizona ZIP codes |
| Men / women | 46% / 54% |
| Median household income | $56,444 · lower than 69% of Arizona ZIP codes |
| Income per person | $30,458 |
| Below the poverty line | 24% |
| Bachelor’s degree or higher | 16% of adults 25+ |
| Median home value | $274,500 · lower than 58% of Arizona ZIP codes |
| Median rent | $1,514 a month |
| Housing units | 4,670 |
| Households | 4,033 (2.4 people on average) |
| Owners / renters | 62% / 38% |
| Land area | 3.6 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 85378. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 85378
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 85374 | Surprise, AZ | 0.1 mi E | Standard |
| 85373 | Sun City, AZ | 2.1 mi N | Standard |
| 85376 | Sun City West, AZ | 2.2 mi N | PO Box only |
| 85335 | El Mirage, AZ | 2.8 mi S | Standard |
| 85379 | Surprise, AZ | 3 mi SW | Standard |
| 85363 | Youngtown, AZ | 3.3 mi SE | Standard |
| 85351 | Sun City, AZ | 3.3 mi SE | Standard |
| 85372 | Sun City, AZ | 4.2 mi SE | PO Box only |
| 85375 | Sun City West, AZ | 4.2 mi NW | Standard |
| 85345 | Peoria, AZ | 5.8 mi SE | Standard |
| 85380 | Peoria, AZ | 6.5 mi SE | PO Box only |
| 85385 | Peoria, AZ | 6.5 mi SE | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 85378 or measure the distance to another ZIP code.
How to address mail to 85378
123 MAIN ST
SURPRISE AZ 85378
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (85378-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Surprise, AZ
All Surprise ZIP codes with population and income →
Questions
- What city is ZIP code 85378?
- 85378 is a Surprise, Arizona ZIP code.
- What county is 85378 in?
- ZIP code 85378 is in Maricopa County, Arizona.
- What time zone is ZIP code 85378 in?
- 85378 is in the Mountain Time (no daylight saving) zone (America/Phoenix).
- What area code is 85378?
- Phone numbers in ZIP code 85378 use area code 623.
- What is the population of ZIP code 85378?
- About 9,765 people live in ZIP code 85378, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 85378?
- The median household income in 85378 is $56,444 a year, lower than 69% of Arizona ZIP codes.
- What ZIP codes are near 85378?
- The nearest ZIP codes to 85378 are 85374 (Surprise, 0.1 miles), 85373 (Sun City, 2.1 miles), 85376 (Sun City West, 2.2 miles) and 85335 (El Mirage, 2.8 miles).