Comparison to Surrounding Areas
The median household income ($189,241) for 21797 is less than the median household income for 20833 ($204,375), 21723 ($241,250), and 21738 ($250,001). But it's more than 21771 ($157,302), 20882 ($184,136), 21157 ($104,966), 21784 ($139,395), Carroll County ($118,211), Howard County ($149,763), Montgomery County ($132,450), Lisbon CDP ($-1), and Eldersburg CDP ($142,954).
| 21797 | $189,241 |
| Eldersburg CDP | $142,954 |
| Lisbon CDP | $-1 |
| Carroll County | $118,211 |
| Howard County | $149,763 |
| Montgomery County | $132,450 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($209,234) for 21797 is less than the average household income for 20882 ($218,132) and 21738 ($297,325). But it's more than 21784 ($165,007), 20833 ($207,529), 21157 ($128,446), 21723 ($208,514), 21771 ($174,549), Carroll County ($142,587), Howard County ($184,243), Montgomery County ($181,376), Eldersburg CDP ($166,910), and Lisbon CDP ($-1).
| 21797 | $209,234 |
| Eldersburg CDP | $166,910 |
| Lisbon CDP | $-1 |
| Carroll County | $142,587 |
| Howard County | $184,243 |
| Montgomery County | $181,376 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 21797 is $70,998. The per capita income ($70,998) for 21797 is less than the per capita income for 20882 ($76,380), 21723 ($72,952), and 21738 ($92,235). But it's more than 21771 ($60,220), 20833 ($69,016), 21157 ($49,793), 21784 ($56,974), Carroll County ($53,124), Howard County ($67,501), Montgomery County ($67,571), Lisbon CDP ($55,296), and Eldersburg CDP ($58,115).
| 21797 | $70,998 |
| Eldersburg CDP | $58,115 |
| Lisbon CDP | $55,296 |
| Carroll County | $53,124 |
| Howard County | $67,501 |
| Montgomery County | $67,571 |
Get Per-Capita Income for all Zip Codes in Maryland.
43.5% of households make over $200,000 a year. The percent high income households (43.5%) for 21797 is less than the percent high income households for 20833 (50.6%), 20882 (43.7%), 21723 (53.9%), and 21738 (63.4%). But it's more than 21784 (30.8%), 21771 (34.2%), 21157 (18.9%), Carroll County (23.1%), Howard County (34.7%), Montgomery County (31.1%), Lisbon CDP (37.9%), and Eldersburg CDP (33.0%).
| 21797 | 43.5% |
| Eldersburg CDP | 33.0% |
| Lisbon CDP | 37.9% |
| Carroll County | 23.1% |
| Howard County | 34.7% |
| Montgomery County | 31.1% |
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 | |
|---|---|---|---|---|
| 21797 | $-1 | $194,306 | $204,524 | $99,695 |
| Eldersburg CDP | $-1 | $156,652 | $190,191 | $83,721 |
| Lisbon CDP | $-1 | $-1 | $-1 | $-1 |
| Carroll County | $58,773 | $140,910 | $148,624 | $71,452 |
| Howard County | $67,536 | $148,154 | $181,793 | $110,656 |
| Montgomery County | $57,976 | $127,095 | $162,171 | $109,242 |
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 21797 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+ | |||||
| 21797 | +/-$13,817 | +/-$19,669 | +/-$7,046 | +/-6.2% | +/-$-1 | +/-$37,745 | +/-$42,431 | +/-$68,333 |
| Eldersburg CDP | +/-$7,926 | +/-$7,140 | +/-$2,667 | +/-2.1% | +/-$-1 | +/-$10,428 | +/-$14,527 | +/-$5,914 |
| Lisbon CDP | +/-$-1 | +/-$-1 | +/-$68,328 | +/-62.1% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$-1 |
| 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 |
| Montgomery County | +/-$2,073 | +/-$2,169 | +/-$721 | +/-0.5% | +/-$9,493 | +/-$4,080 | +/-$3,338 | +/-$3,159 |