Comparison to Surrounding Areas
The median household income ($118,563) for 21045 is less than 21075 ($135,303), 21043 ($148,125), 21044 ($135,057), 21046 ($127,813), 21042 ($190,061), Howard County ($149,763), Columbia CDP ($131,490), and Ellicott City CDP ($156,964).
| 21045 | $118,563 |
| Columbia CDP | $131,490 |
| Ellicott City CDP | $156,964 |
| Howard County | $149,763 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($142,128) for 21045 is less than 21075 ($151,205), 21043 ($177,430), 21044 ($162,075), 21046 ($152,547), 21042 ($221,122), Howard County ($184,243), Columbia CDP ($159,116), and Ellicott City CDP ($187,257).
| 21045 | $142,128 |
| Columbia CDP | $159,116 |
| Ellicott City CDP | $187,257 |
| Howard County | $184,243 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 21045 is $56,185. The per capita income ($56,185) for 21045 is less than the per capita income for 21042 ($77,643), 21043 ($65,206), 21044 ($68,805), 21046 ($61,404), Howard County ($67,501), Columbia CDP ($64,255), and Ellicott City CDP ($67,822). But it's more than 21075 ($53,780).
| 21045 | $56,185 |
| Columbia CDP | $64,255 |
| Ellicott City CDP | $67,822 |
| Howard County | $67,501 |
Get Per-Capita Income for all Zip Codes in Maryland.
23.8% of households make over $200,000 a year. The percent high income households (23.8%) for 21045 is less than 21075 (29.9%), 21043 (33.3%), 21044 (27.7%), 21046 (24.7%), 21042 (46.8%), Howard County (34.7%), Columbia CDP (27.3%), and Ellicott City CDP (36.3%).
| 21045 | 23.8% |
| Columbia CDP | 27.3% |
| Ellicott City CDP | 36.3% |
| 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 | |
|---|---|---|---|---|
| 21045 | $99,063 | $129,898 | $143,097 | $92,029 |
| Columbia CDP | $81,378 | $129,973 | $158,646 | $108,071 |
| Ellicott City CDP | $46,081 | $166,357 | $196,785 | $104,474 |
| Howard County | $67,536 | $148,154 | $181,793 | $110,656 |
Get Median Household Income by Age of Householder for all Zip Codes in Maryland.
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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 21045 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+ | |||||
| 21045 | +/-$6,584 | +/-$7,612 | +/-$3,242 | +/-2.6% | +/-$25,201 | +/-$11,504 | +/-$23,574 | +/-$12,986 |
| Columbia CDP | +/-$5,734 | +/-$4,747 | +/-$2,076 | +/-1.7% | +/-$19,922 | +/-$6,761 | +/-$6,914 | +/-$10,970 |
| Ellicott City CDP | +/-$11,037 | +/-$7,823 | +/-$2,722 | +/-2.5% | +/-$11,713 | +/-$21,624 | +/-$10,397 | +/-$17,738 |
| Howard County | +/-$3,158 | +/-$3,425 | +/-$1,195 | +/-1.0% | +/-$15,955 | +/-$5,806 | +/-$6,431 | +/-$6,899 |