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Johnson County ZIP Codes

List of ZIP Codes in Johnson County

The following table lists ZIP Codes associated with Johnson County, Arkansas, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 72830 35.51685 -93.50859 Clarksville 15,962 44.1
2 72832 35.42748 -93.67043 Coal Hill 677 76.7
3 72839 35.65131 -93.26384 Hagarville 449 1.1
4 72840 35.46164 -93.61442 Hartman 2,399 19.8
5 72845 35.36262 -93.37619 Knoxville 882 30.8
6 72846 35.48166 -93.31885 Lamar 3,874 15.1
7 72852 35.68243 -93.56684 Oark 145 0.7
8 72854 35.69644 -93.43491 Ozone 582 1.7


About Johnson County ZIP Codes

Johnson County in Arkansas (AR) is served by approximately 8 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 24,970 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Johnson County are located in cities such as Clarksville, Lamar, Hartman, Knoxville, Coal Hill. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Johnson County, Arkansas follow the America/Chicago time zone.

Arkansas Counties ZIP Codes

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  3. Baxter County ZIP Codes
  4. Benton County ZIP Codes
  5. Boone County ZIP Codes
  6. Bradley County ZIP Codes
  7. Calhoun County ZIP Codes
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  10. Clark County ZIP Codes
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  13. Cleveland County ZIP Codes
  14. Columbia County ZIP Codes
  15. Conway County ZIP Codes
  16. Craighead County ZIP Codes
  17. Crawford County ZIP Codes
  18. Crittenden County ZIP Codes
  19. Cross County ZIP Codes
  20. Dallas County ZIP Codes
  21. Desha County ZIP Codes
  22. Drew County ZIP Codes
  23. Faulkner County ZIP Codes
  24. Franklin County ZIP Codes
  25. Fulton County ZIP Codes
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  28. Greene County ZIP Codes
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  32. Independence County ZIP Codes
  33. Izard County ZIP Codes
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  35. Jefferson County ZIP Codes
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  37. Lafayette County ZIP Codes
  38. Lawrence County ZIP Codes
  39. Lee County ZIP Codes
  40. Lincoln County ZIP Codes
  41. Little River County ZIP Codes
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  43. Lonoke County ZIP Codes
  44. Madison County ZIP Codes
  45. Marion County ZIP Codes
  46. Miller County ZIP Codes
  47. Mississippi County ZIP Codes
  48. Monroe County ZIP Codes
  49. Montgomery County ZIP Codes
  50. Nevada County ZIP Codes
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