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/SC/MOST-TAX-RETURNS

ZIP Codes With the Most Tax Returns Filed in South Carolina

What this measures. Number of individual income tax returns filed. A rough proxy for how many households a ZIP code contains, available where census figures are not. Source: IRS Statistics of Income, ZIP code data, data release 2026-10-12.

# ZIP City County Returns filed
1 29681 Simpsonville Greenville 30,820
2 29072 Lexington Lexington 30,810
3 29579 Myrtle Beach Horry 29,230
4 29732 Rock Hill York 28,890
5 29485 Summerville Dorchester 28,840
6 29445 Goose Creek Berkeley 28,320
7 29483 Summerville Dorchester 27,810
8 29730 Rock Hill York 26,480
9 29910 Bluffton Beaufort 26,420
10 29464 Mount Pleasant Charleston 26,270
11 29588 Myrtle Beach Horry 25,930
12 29229 Columbia Richland 25,730
13 29651 Greer Greenville 25,020
14 29526 Conway Horry 24,800
15 29223 Columbia Richland 24,270
16 29720 Lancaster Lancaster 24,220
17 29073 Lexington Lexington 23,820
18 29607 Greenville Greenville 23,760
19 29414 Charleston Charleston 23,740
20 29687 Taylors Greenville 21,480
21 29466 Mount Pleasant Charleston 21,420
22 29501 Florence Florence 21,240
23 29461 Moncks Corner Berkeley 20,860
24 29412 Charleston Charleston 20,620
25 29803 Aiken Aiken 20,360
26 29715 Fort Mill York 20,150
27 29621 Anderson Anderson 20,080
28 29710 Clover York 19,500
29 29615 Greenville Greenville 19,180
30 29577 Myrtle Beach Horry 19,140
31 29708 Fort Mill York 19,090
32 29650 Greer Greenville 18,830
33 29680 Simpsonville Greenville 18,720
34 29063 Irmo Richland 18,540
35 29456 Ladson Charleston 18,450
36 29707 Fort Mill Lancaster 18,420
37 29576 Murrells Inlet Horry 18,390
38 29407 Charleston Charleston 18,330
39 29605 Greenville Greenville 17,880
40 29349 Inman Spartanburg 17,810
41 29642 Easley Anderson 17,340
42 29150 Sumter Sumter 16,960
43 29203 Columbia Richland 16,960
44 29209 Columbia Richland 16,620
45 29455 Johns Island Charleston 16,340
46 29210 Columbia Richland 15,940
47 29301 Spartanburg Spartanburg 15,910
48 29745 York York 15,780
49 29316 Boiling Springs Spartanburg 15,770
50 29673 Piedmont Greenville 15,080

Showing the top 50 of 372 ZIP codes in South Carolina that have this figure . 29681 ranks 1st at 30,820, against 15,080 in 50th place.

Other rankings for South Carolina

Cite this page

zipcodes.pro. “ZIP Codes With the Most Tax Returns Filed in South Carolina.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/sc/most-tax-returns

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