Comparison to Surrounding Areas
The median household income ($125,732) for 20678 is less than the median household income for 20636 ($163,690), 20637 ($160,121), 20639 ($161,422), 20676 ($156,657), 20732 ($140,304), and Calvert County ($133,922). But it's more than 20608 ($82,083), 20612 ($41,118), 20659 ($121,654), 20685 ($119,135), and Prince Frederick CDP ($80,391).
| 20678 | $125,732 |
| Prince Frederick CDP | $80,391 |
| Calvert County | $133,922 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($138,727) for 20678 is less than the average household income for 20732 ($150,574), 20636 ($176,948), 20637 ($164,491), 20639 ($174,334), 20659 ($150,584), 20676 ($157,791), 20685 ($163,037), and Calvert County ($158,598). But it's more than 20608 ($101,453), 20612 ($59,471), and Prince Frederick CDP ($91,787).
| 20678 | $138,727 |
| Prince Frederick CDP | $91,787 |
| Calvert County | $158,598 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 20678 is $54,751. The per capita income ($54,751) for 20678 is less than the per capita income for 20639 ($56,872), 20636 ($57,365), 20637 ($55,690), 20732 ($59,236), 20676 ($61,611), 20685 ($56,678), and Calvert County ($57,710). But it's more than 20608 ($35,208), 20612 ($36,867), 20659 ($51,368), and Prince Frederick CDP ($42,779).
| 20678 | $54,751 |
| Prince Frederick CDP | $42,779 |
| Calvert County | $57,710 |
Get Per-Capita Income for all Zip Codes in Maryland.
22.8% of households make over $200,000 a year. The percent high income households (22.8%) for 20678 is less than the percent high income households for 20732 (25.7%), 20636 (40.4%), 20637 (36.5%), 20639 (31.7%), 20659 (26.5%), 20676 (24.7%), 20685 (26.9%), and Calvert County (26.4%). But it's more than 20608 (14.0%), 20612 (0.0%), and Prince Frederick CDP (8.1%).
| 20678 | 22.8% |
| Prince Frederick CDP | 8.1% |
| Calvert County | 26.4% |
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 | |
|---|---|---|---|---|
| 20678 | $-1 | $148,625 | $146,310 | $64,928 |
| Prince Frederick CDP | $-1 | $116,146 | $111,000 | $31,466 |
| Calvert County | $55,208 | $142,029 | $161,614 | $91,551 |
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 20678 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+ | |||||
| 20678 | +/-$12,236 | +/-$11,538 | +/-$4,035 | +/-5.0% | +/-$-1 | +/-$25,950 | +/-$29,246 | +/-$18,300 |
| Prince Frederick CDP | +/-$32,198 | +/-$11,455 | +/-$4,078 | +/-4.0% | +/-$-1 | +/-$28,624 | +/-$33,460 | +/-$13,445 |
| Calvert County | +/-$4,535 | +/-$4,962 | +/-$1,784 | +/-1.7% | +/-$49,826 | +/-$12,979 | +/-$11,207 | +/-$7,090 |