Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — RANKINGS/AZ/LARGEST-POPULATION

ZIP Codes With the Largest Population in Arizona

What this measures. Population of the Census tabulation area, ACS 5-year estimate. Source: Census American Community Survey, data release 2026-10-12.

# ZIP City County Population
1 85142 Queen Creek Pinal 93,700
2 85326 Buckeye Maricopa 75,359
3 85383 Peoria Maricopa 74,390
4 85364 Yuma Yuma 72,960
5 85281 Tempe Maricopa 72,762
6 85225 Chandler Maricopa 72,297
7 85032 Phoenix Maricopa 70,839
8 85301 Glendale Maricopa 68,178
9 85338 Goodyear Maricopa 67,451
10 85204 Mesa Maricopa 65,155
11 85308 Glendale Maricopa 65,095
12 85041 Phoenix Maricopa 63,862
13 85122 Casa Grande Pinal 61,624
14 85345 Peoria Maricopa 60,918
15 85008 Phoenix Maricopa 59,716
16 85033 Phoenix Maricopa 57,591
17 85295 Gilbert Maricopa 56,744
18 85710 Tucson Pima 56,125
19 85212 Mesa Maricopa 55,283
20 85138 Maricopa Pinal 55,260
21 85365 Yuma Yuma 54,775
22 85705 Tucson Pima 54,700
23 85339 Laveen Maricopa 54,641
24 85037 Phoenix Maricopa 54,608
25 85706 Tucson Pima 54,236
26 85022 Phoenix Maricopa 53,811
27 85282 Tempe Maricopa 53,624
28 85035 Phoenix Maricopa 53,424
29 85296 Gilbert Maricopa 53,076
30 85009 Phoenix Maricopa 52,064
31 85719 Tucson Pima 51,833
32 85201 Mesa Maricopa 51,400
33 85234 Gilbert Maricopa 51,283
34 85140 San Tan Valley Pinal 51,260
35 85207 Mesa Maricopa 51,178
36 85379 Surprise Maricopa 51,035
37 85286 Chandler Maricopa 50,621
38 85029 Phoenix Maricopa 49,683
39 85353 Tolleson Maricopa 49,120
40 85249 Chandler Maricopa 48,746
41 85224 Chandler Maricopa 47,963
42 85283 Tempe Maricopa 47,459
43 85323 Avondale Maricopa 47,043
44 85713 Tucson Pima 46,439
45 85017 Phoenix Maricopa 46,129
46 85042 Phoenix Maricopa 45,903
47 85051 Phoenix Maricopa 45,768
48 85254 Scottsdale Maricopa 45,558
49 85255 Scottsdale Maricopa 45,346
50 85205 Mesa Maricopa 45,116

Showing the top 50 of 417 ZIP codes in Arizona that have this figure . 85142 ranks 1st at 93,700, against 45,116 in 50th place.

Other rankings for Arizona

Cite this page

zipcodes.pro. “ZIP Codes With the Largest Population in Arizona.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/az/largest-population

Underlying data is public domain or openly licensed — sources, vintages and licences.