Comparison to Surrounding Areas
The median household income ($53,266) for 21555 is less than the median household income for 21766 ($62,054), 21502 ($60,725), 21530 ($63,542), 26722 ($75,625), 25431 ($68,917), 25434 ($64,487), and Allegany County ($59,603). But it's more than 25422 ($52,047) and Oldtown CDP ($-1).
| 21555 | $53,266 |
| Oldtown CDP | $-1 |
| Allegany County | $59,603 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($63,452) for 21555 is less than the average household income for 26722 ($92,670), 25431 ($77,768), 25434 ($89,231), 21502 ($76,213), 21530 ($72,672), 21766 ($74,704), Allegany County ($74,712), and Oldtown CDP ($101,635). But it's more than 25422 ($61,659).
| 21555 | $63,452 |
| Oldtown CDP | $101,635 |
| Allegany County | $74,712 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 21555 is $24,708. The per capita income ($24,708) for 21555 is less than the per capita income for 26722 ($50,486), 25422 ($28,808), 25434 ($33,308), 21502 ($31,252), 21530 ($32,301), 21766 ($30,348), Allegany County ($31,210), and Oldtown CDP ($34,609). But it's more than 25431 ($19,335).
| 21555 | $24,708 |
| Oldtown CDP | $34,609 |
| Allegany County | $31,210 |
Get Per-Capita Income for all Zip Codes in Maryland.
4.9% of households make over $200,000 a year. The percent high income households (4.9%) for 21555 is less than the percent high income households for 25434 (5.3%) and 26722 (9.4%). But it's more than 21530 (2.6%), 25422 (0.0%), 25431 (0.0%), 21502 (3.9%), 21766 (0.0%), Allegany County (3.4%), and Oldtown CDP (0.0%).
| 21555 | 4.9% |
| Oldtown CDP | 0.0% |
| Allegany County | 3.4% |
Get High Income Households for all Zip Codes in Maryland.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 21555 | $-1 | $56,188 | $-1 | $67,734 |
| Oldtown CDP | $-1 | $-1 | $-1 | $-1 |
| Allegany County | $40,725 | $68,340 | $69,683 | $48,402 |
Get Median Household Income by Age of Householder for all Zip Codes in Maryland.
Use our lookalike & filtering workflow to discover every zip that matches your ideal market profile.
Our Income By Zip Code Lists let you start with a zip like 21555, then automatically find hundreds of similar zips by income, demographics, and growth potential — so you can build a smarter target list in minutes.
Get Your Income By Zip Code List
Get all zip codes in a state or the entire US with data such as median household income.
Starting at $65.
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 21555 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+ | |||||
| 21555 | +/-$23,350 | +/-$14,757 | +/-$4,625 | +/-4.1% | +/-$-1 | +/-$13,243 | +/-$-1 | +/-$45,619 |
| Oldtown CDP | +/-$-1 | +/-$42,298 | +/-$8,561 | +/-55.8% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$-1 |
| Allegany County | +/-$2,750 | +/-$2,371 | +/-$885 | +/-0.5% | +/-$16,436 | +/-$7,509 | +/-$5,112 | +/-$2,791 |