1. Johnson County Info
  2. All cities in Johnson county
  3. All zip codes in Johnson county
  4. Iowa State
  5. USA

County Johnson State Iowa(IA)



Cities 22 Zip Codes 28

Population

121,441

Census 2010: 127,888
Estimated: 121,441
Growth: -5.31%
White 111,783 81.48%
Asian 7,853 5.72%
Black 7,516 5.48%
Hispanic 6,172 4.50%
Other 2,823 2.06%
Indian 897 0.65%
Hawaiian 149 0.11%



Gender and Age

Females 63,920 49.98%
Males 63,968 50.02%

Median age 33.88
Median age for females 34.36
Median age for males 33.52

Households

Total households 51,797
Persons per household 2.203333
Income per household $41,336.50

Top Data By Zip Codes

View all Zip Codes data

Most Populated

52240 32,967
52246 21,059
52245 19,332
52241 18,652
52317 16,228

Least Populated

52242 3
52755 808
52340 1,666
52322 1,757
52338 2,937

Growing

52317 8%
52240 2%
52246 0%
52241 -1%
52333 -2%

Declining

52242 -52966%
52755 -138%
52322 -38%
52340 -30%
52245 -16%

Younger Crowd

52242 19.40
52245 26.70
52240 26.90
52246 27.50
52317 29.80

Older Crowd

52333 43.20
52338 42.40
52322 41.60
52755 40.50
52340 31.90

Highest Income

52338 $70,256.00
52333 $64,407.00
52322 $50,714.00
52317 $47,472.00
52755 $46,950.00

Lowest Income

52246 $34,661.00
52240 $35,314.00
52241 $37,957.00
52245 $45,376.00
52340 $45,848.00

Time Zone

Time zone(s) Central Standard Time, CST. GMT-6
Day light saving Yes

Area Codes

319, 563