Comparison to Surrounding Areas
The median household income ($191,804) for 21104 is less than the median household income for 21794 ($231,466). But it's more than 21784 ($139,395), 21042 ($190,061), 21117 ($101,831), 21133 ($80,480), 21136 ($118,500), 21163 ($134,672), Carroll County ($118,211), Howard County ($149,763), Baltimore County ($91,768), Eldersburg CDP ($142,954), and Ellicott City CDP ($156,964).
| 21104 | $191,804 |
| Eldersburg CDP | $142,954 |
| Ellicott City CDP | $156,964 |
| Baltimore County | $91,768 |
| Carroll County | $118,211 |
| Howard County | $149,763 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($209,422) for 21104 is less than the average household income for 21042 ($221,122), 21163 ($227,793), and 21794 ($288,564). But it's more than 21136 ($145,110), 21117 ($128,454), 21133 ($106,521), 21784 ($165,007), Baltimore County ($122,863), Carroll County ($142,587), Howard County ($184,243), Ellicott City CDP ($187,257), and Eldersburg CDP ($166,910).
| 21104 | $209,422 |
| Eldersburg CDP | $166,910 |
| Ellicott City CDP | $187,257 |
| Baltimore County | $122,863 |
| Carroll County | $142,587 |
| Howard County | $184,243 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 21104 is $74,405. The per capita income ($74,405) for 21104 is less than the per capita income for 21042 ($77,643), 21163 ($81,758), and 21794 ($88,649). But it's more than 21136 ($59,518), 21117 ($52,053), 21133 ($43,002), 21784 ($56,974), Baltimore County ($49,074), Carroll County ($53,124), Howard County ($67,501), Ellicott City CDP ($67,822), and Eldersburg CDP ($58,115).
| 21104 | $74,405 |
| Eldersburg CDP | $58,115 |
| Ellicott City CDP | $67,822 |
| Baltimore County | $49,074 |
| Carroll County | $53,124 |
| Howard County | $67,501 |
Get Per-Capita Income for all Zip Codes in Maryland.
46.9% of households make over $200,000 a year. The percent high income households (46.9%) for 21104 is less than the percent high income households for 21794 (61.1%). But it's more than 21784 (30.8%), 21042 (46.8%), 21117 (15.1%), 21133 (12.6%), 21136 (21.4%), 21163 (30.7%), Carroll County (23.1%), Howard County (34.7%), Baltimore County (15.9%), Eldersburg CDP (33.0%), and Ellicott City CDP (36.3%).
| 21104 | 46.9% |
| Eldersburg CDP | 33.0% |
| Ellicott City CDP | 36.3% |
| Baltimore County | 15.9% |
| Carroll County | 23.1% |
| Howard County | 34.7% |
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 | |
|---|---|---|---|---|
| 21104 | $-1 | $229,899 | $216,250 | $127,386 |
| Eldersburg CDP | $-1 | $156,652 | $190,191 | $83,721 |
| Ellicott City CDP | $46,081 | $166,357 | $196,785 | $104,474 |
| Baltimore County | $39,697 | $97,587 | $114,829 | $66,579 |
| Carroll County | $58,773 | $140,910 | $148,624 | $71,452 |
| Howard County | $67,536 | $148,154 | $181,793 | $110,656 |
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 21104, 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 21104 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+ | |||||
| 21104 | +/-$9,742 | +/-$19,843 | +/-$6,361 | +/-5.9% | +/-$-1 | +/-$28,731 | +/-$18,350 | +/-$20,106 |
| Eldersburg CDP | +/-$7,926 | +/-$7,140 | +/-$2,667 | +/-2.1% | +/-$-1 | +/-$10,428 | +/-$14,527 | +/-$5,914 |
| Ellicott City CDP | +/-$11,037 | +/-$7,823 | +/-$2,722 | +/-2.5% | +/-$11,713 | +/-$21,624 | +/-$10,397 | +/-$17,738 |
| Baltimore County | +/-$1,446 | +/-$1,787 | +/-$738 | +/-0.5% | +/-$7,626 | +/-$2,350 | +/-$2,323 | +/-$1,740 |
| Carroll County | +/-$3,883 | +/-$2,749 | +/-$950 | +/-1.1% | +/-$5,929 | +/-$7,273 | +/-$5,233 | +/-$3,938 |
| Howard County | +/-$3,158 | +/-$3,425 | +/-$1,195 | +/-1.0% | +/-$15,955 | +/-$5,806 | +/-$6,431 | +/-$6,899 |