ZIP code
51040
Onawa, IA
STANDARD
51040 covers Onawa in Monona County, with 3,388 people in the ACS estimate.
Map of 51040, Onawa
ZIP code map
About ZIP code 51040
People in 51040
Race
- White3,222
- Black or African American11
- American Indian or Alaska Native114
- Asian16
- Native Hawaiian and Pacific Islander2
- Other race17
- Two or more races155
Hispanic or Latino (any race): 65
Age
- Under 10409
- 10 to 19464
- 20 to 29380
- 30 to 39389
- 40 to 49369
- 50 to 59452
- 60 to 69456
- 70 to 79347
- 80 and older271
Income and housing in 51040
Education
- High school graduate93.8%
- Bachelor's degree17.6%
- Graduate degree5.0%
Places covering 51040
Counties
- Monona County100.0%
15.8% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 51040
IRS populationACS population
Hover a year for IRS and ACS values.
ZIP codes near 51040
- 51523Blencoe6.9 miPop 356 · Income $80,909
- 51063Whiting7.8 miPop 1,109 · Income $70,714
- 68020Decatur8.8 miPop 655 · Income $51,250
- 51010Castana9.9 miPop 416 · Income $92,083
- 51558Moorhead13.7 miPop 680 · Income $78,393
- 51051Rodney14.5 miPop 48 · Income $52,188
- 51026Hornick14.5 miPop 1,050 · Income $82,411
- 51564Pisgah15.5 miPop 512 · Income $71,484
- 51545Little Sioux15.5 miPop 258 · Income $67,083
- 68039Macy15.7 miPop 1,153 · Income $44,063
- 51056Smithland15.8 miPop 332 · Income $100,395
- 51572Soldier16.2 miPop 379 · Income $70,000
ZIP code 51040 FAQ
- What city is ZIP code 51040 in?
- 51040 is in Onawa, IA.
- What county is 51040 in?
- 51040 is in Monona County.
- What is the median household income in 51040?
- The median household income in 51040 is $60,642.
- Which ZIP codes are near 51040?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 51040.