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All 21840 population data above are from the US Census Bureau.
The population data for 21840 are from the Census' American Community Survey 2017 5-year estimates. The demographic data for 20630, 20874, 21158, and 21405 are the most current, comparable demographics available from the US Census Bureau, are from the American Community Survey 2017 5-year estimates, and were downloaded on December 2017. Check out our FAQ section for more details.
With 364 people, 21840 is the 403rd most populated zip code in the state of Maryland out of 463 zip codes. But watch out, 21840, because 20630 with 359 people and 21405 with 360 people are right behind you.
The largest 21840 racial/ethnic groups are White (71.2%) followed by Black (28.8%) and Hispanic (0.0%).
In 2017, the median household income of 21840 residents was $86,818. 21840 households made slightly more than 20874 households ($86,718) and 21158 households ($86,663) . However, 26.4% of 21840 residents live in poverty.
The median age for 21840 residents is 65.9 years young.
86% of people CANNOT find the data they're looking for on the US Census Bureau website. Source: Nielsen Norman Group
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