Comparison to Surrounding Areas
The median household income ($245,982) for 20818 is less than the median household income for 20817 ($249,332), 20854 ($250,001), 22101 ($250,001), and Cabin John CDP ($250,001). But it's more than 20812 ($213,750) and Montgomery County ($132,450).
| 20818 | $245,982 |
| Cabin John CDP | $250,001 |
| Montgomery County | $132,450 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($404,658) for 20818 is more than 20812 ($267,796), 20817 ($345,225), 20854 ($341,063), 22101 ($381,355), Montgomery County ($181,376), and Cabin John CDP ($393,737).
| 20818 | $404,658 |
| Cabin John CDP | $393,737 |
| Montgomery County | $181,376 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 20818 is $159,058. The per capita income ($159,058) for 20818 is less than the per capita income for Cabin John CDP ($159,367). But it's more than 20812 ($93,568), 20817 ($127,135), 20854 ($114,794), 22101 ($135,969), and Montgomery County ($67,571).
| 20818 | $159,058 |
| Cabin John CDP | $159,367 |
| Montgomery County | $67,571 |
Get Per-Capita Income for all Zip Codes in Maryland.
61.9% of households make over $200,000 a year. The percent high income households (61.9%) for 20818 is less than the percent high income households for 20854 (64.5%), 22101 (64.1%), and Cabin John CDP (66.7%). But it's more than 20812 (54.5%), 20817 (58.7%), and Montgomery County (31.1%).
| 20818 | 61.9% |
| Cabin John CDP | 66.7% |
| 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 | |
|---|---|---|---|---|
| 20818 | $-1 | $250,001 | $250,001 | $187,813 |
| Cabin John CDP | $-1 | $250,001 | $250,001 | $188,438 |
| Montgomery County | $57,976 | $127,095 | $162,171 | $109,242 |
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 20818, 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 20818 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+ | |||||
| 20818 | +/-$53,171 | +/-$139,459 | +/-$62,582 | +/-15.8% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$32,200 |
| Cabin John CDP | +/-$-1 | +/-$108,080 | +/-$46,008 | +/-12.1% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$65,836 |
| Montgomery County | +/-$2,073 | +/-$2,169 | +/-$721 | +/-0.5% | +/-$9,493 | +/-$4,080 | +/-$3,338 | +/-$3,159 |