Comparison to Surrounding Areas
The median household income ($59,107) for 51638 is less than the median household income for 51533 ($68,750), 51601 ($62,143), 51645 ($217,898), and Montgomery County ($63,666). But it's more than 51566 ($56,637), 51632 ($55,055), Page County ($57,953), and Essex city ($58,095).
| 51638 | $59,107 |
| Essex city | $58,095 |
| Montgomery County | $63,666 |
| Page County | $57,953 |
Get Median Household Income for all Zip Codes in Iowa.
The average household income ($78,615) for 51638 is less than the average household income for 51533 ($79,230), 51566 ($85,095), 51645 ($174,186), and Montgomery County ($84,366). But it's more than 51601 ($73,926), 51632 ($76,422), Page County ($76,498), and Essex city ($73,823).
| 51638 | $78,615 |
| Essex city | $73,823 |
| Montgomery County | $84,366 |
| Page County | $76,498 |
Get Average Household Income for all Zip Codes in Iowa.
The per-capita income for 51638 is $36,660. The per capita income ($36,660) for 51638 is less than the per capita income for 51566 ($37,850), 51645 ($56,899), and Montgomery County ($37,894). But it's more than 51533 ($35,140), 51601 ($34,465), 51632 ($30,714), Page County ($33,365), and Essex city ($34,004).
| 51638 | $36,660 |
| Essex city | $34,004 |
| Montgomery County | $37,894 |
| Page County | $33,365 |
Get Per-Capita Income for all Zip Codes in Iowa.
4.7% of households make over $200,000 a year. The percent high income households (4.7%) for 51638 is less than the percent high income households for 51632 (5.5%) and 51645 (52.8%). But it's more than 51533 (1.7%), 51566 (3.5%), 51601 (2.1%), Montgomery County (3.0%), Page County (4.4%), and Essex city (4.4%).
| 51638 | 4.7% |
| Essex city | 4.4% |
| Montgomery County | 3.0% |
| Page County | 4.4% |
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 | |
|---|---|---|---|---|
| 51638 | $45,938 | $89,028 | $66,250 | $49,583 |
| Essex city | $-1 | $76,875 | $68,000 | $45,000 |
| Montgomery County | $65,219 | $75,078 | $70,223 | $46,325 |
| Page County | $33,333 | $72,000 | $73,333 | $43,342 |
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 51638 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+ | |||||
| 51638 | +/-$6,793 | +/-$12,866 | +/-$6,105 | +/-3.6% | +/-$25,038 | +/-$12,797 | +/-$40,854 | +/-$20,807 |
| Essex city | +/-$4,983 | +/-$16,741 | +/-$7,807 | +/-4.6% | +/-$-1 | +/-$27,163 | +/-$36,505 | +/-$32,425 |
| Montgomery County | +/-$5,901 | +/-$11,332 | +/-$4,855 | +/-1.3% | +/-$8,382 | +/-$17,467 | +/-$18,438 | +/-$6,644 |
| Page County | +/-$4,402 | +/-$6,108 | +/-$2,594 | +/-1.3% | +/-$19,940 | +/-$11,275 | +/-$10,590 | +/-$6,299 |