Comparison to Surrounding Areas
The median household income ($96,505) for 51022 is less than the median household income for 51003 ($101,250) and 51231 ($108,058). But it's more than 51238 ($74,000), 51035 ($79,338), 51046 ($84,125), 51050 ($92,500), O'Brien County ($68,356), Plymouth County ($83,251), Sioux County ($86,098), and Granville city ($68,750).
| 51022 | $96,505 |
| Granville city | $68,750 |
| O'Brien County | $68,356 |
| Plymouth County | $83,251 |
| Sioux County | $86,098 |
Get Median Household Income for all Zip Codes in Iowa.
The average household income ($97,016) for 51022 is less than the average household income for 51003 ($114,618), 51035 ($106,874), 51050 ($116,488), 51231 ($97,427), Plymouth County ($101,116), and Sioux County ($104,988). But it's more than 51046 ($94,251), 51238 ($90,449), O'Brien County ($84,439), and Granville city ($78,412).
| 51022 | $97,016 |
| Granville city | $78,412 |
| O'Brien County | $84,439 |
| Plymouth County | $101,116 |
| Sioux County | $104,988 |
Get Average Household Income for all Zip Codes in Iowa.
The per-capita income for 51022 is $40,177. The per capita income ($40,177) for 51022 is less than the per capita income for 51003 ($44,417), 51035 ($46,137), 51046 ($45,310), 51050 ($42,233), and Plymouth County ($41,532). But it's more than 51231 ($22,575), 51238 ($33,317), O'Brien County ($35,198), Sioux County ($37,166), and Granville city ($39,829).
| 51022 | $40,177 |
| Granville city | $39,829 |
| O'Brien County | $35,198 |
| Plymouth County | $41,532 |
| Sioux County | $37,166 |
Get Per-Capita Income for all Zip Codes in Iowa.
2.3% of households make over $200,000 a year. The percent high income households (2.3%) for 51022 is less than the percent high income households for 51238 (4.9%), 51003 (12.1%), 51035 (7.9%), 51046 (4.4%), 51050 (9.3%), Plymouth County (7.6%), Sioux County (10.0%), O'Brien County (4.4%), and Granville city (3.6%). But it's more than 51231 (0.0%).
| 51022 | 2.3% |
| Granville city | 3.6% |
| O'Brien County | 4.4% |
| Plymouth County | 7.6% |
| Sioux County | 10.0% |
Get High Income Households for all Zip Codes in Iowa.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 51022 | $37,361 | $146,016 | $99,156 | $72,308 |
| Granville city | $37,361 | $90,000 | $90,750 | $63,500 |
| O'Brien County | $57,406 | $80,982 | $92,813 | $47,917 |
| Plymouth County | $53,250 | $92,702 | $102,267 | $56,204 |
| Sioux County | $43,750 | $100,981 | $104,955 | $60,475 |
Get Median Household Income by Age of Householder for all Zip Codes in Iowa.
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All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 51022 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 51022 | +/-$2,877 | +/-$10,550 | +/-$4,559 | +/-2.8% | +/-$22,919 | +/-$7,375 | +/-$1,270 | +/-$37,880 |
| Granville city | +/-$11,077 | +/-$13,058 | +/-$5,341 | +/-5.0% | +/-$22,919 | +/-$61,503 | +/-$13,529 | +/-$5,571 |
| O'Brien County | +/-$4,388 | +/-$3,866 | +/-$1,453 | +/-1.5% | +/-$3,289 | +/-$7,665 | +/-$8,167 | +/-$6,656 |
| Plymouth County | +/-$4,100 | +/-$4,760 | +/-$1,940 | +/-1.2% | +/-$8,054 | +/-$6,730 | +/-$10,727 | +/-$5,836 |
| Sioux County | +/-$7,089 | +/-$4,769 | +/-$1,361 | +/-1.5% | +/-$24,015 | +/-$6,602 | +/-$11,719 | +/-$4,877 |