21770 Income Statistics

Comparison to Surrounding Areas

21770 Median Household Income

The median household income ($183,571) for 21770 is less than the median household income for Monrovia CDP ($207,153) and New Market town ($202,872). But it's more than 20872 ($141,050), 21754 ($182,188), 21771 ($157,302), 21774 ($171,103), Frederick County ($122,002), and Green Valley CDP ($171,707).

21770$183,571
Green Valley CDP$171,707
Monrovia CDP$207,153
New Market town$202,872
Frederick County$122,002

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21770 Average Household Income

The average household income ($194,627) for 21770 is less than the average household income for 21754 ($222,051), Monrovia CDP ($233,239), and New Market town ($217,551). But it's more than 20872 ($159,706), 21771 ($174,549), 21774 ($180,456), Frederick County ($148,300), and Green Valley CDP ($190,415).

21770$194,627
Green Valley CDP$190,415
Monrovia CDP$233,239
New Market town$217,551
Frederick County$148,300

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21770 Per-Capita Income

The per-capita income for 21770 is $58,954. The per capita income ($58,954) for 21770 is less than the per capita income for 21754 ($72,917), 21771 ($60,220), 21774 ($59,972), Green Valley CDP ($59,911), Monrovia CDP ($68,424), and New Market town ($65,882). But it's more than 20872 ($55,057) and Frederick County ($54,982).

21770$58,954
Green Valley CDP$59,911
Monrovia CDP$68,424
New Market town$65,882
Frederick County$54,982

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21770 High Income Households

44.2% of households make over $200,000 a year. The percent high income households (44.2%) for 21770 is less than the percent high income households for 21754 (44.9%), Monrovia CDP (54.4%), and New Market town (51.2%). But it's more than 20872 (29.3%), 21771 (34.2%), 21774 (38.0%), Frederick County (24.6%), and Green Valley CDP (41.1%).

2177044.2%
Green Valley CDP41.1%
Monrovia CDP54.4%
New Market town51.2%
Frederick County24.6%

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21770 Median Household Income by Age of Householder

under 25 years 25 to 44 years 45 to 64 years 65 years and over
21770$-1$183,112$218,250$147,266
Green Valley CDP$-1$172,208$212,500$119,250
Monrovia CDP$-1$200,708$246,006$-1
New Market town$-1$217,500$204,966$82,083
Frederick County$67,867$129,626$151,637$85,114

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21770 Map

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About the Data

Data Sources

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 21770 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.

The following data tables were used:

  • B19001 Household Income in the Past 12 Months (in 2024 inflation-adjusted dollars)
  • B19013 Median Household Income in the Past 12 Months (in 2024 inflation-adjusted dollars)
  • B19301 Per Capita Income in the Past 12 Months (in 2024 inflation-adjusted dollars)
  • S1902 Mean Income in the Past 12 Months (in 2024 inflation-adjusted dollars)
  • B19049 Median Household Income in the Past 12 Months (in 2024 inflation-adjusted dollars) By Age Of Householder

Margins of Error

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+
21770+/-$20,324+/-$16,348+/-$5,548+/-9.3%+/-$-1+/-$10,231+/-$64,734+/-$67,173
Green Valley CDP+/-$16,148+/-$13,372+/-$4,915+/-6.2%+/-$-1+/-$20,409+/-$13,996+/-$45,496
Monrovia CDP+/-$58,385+/-$30,807+/-$8,436+/-12.2%+/-$-1+/-$39,862+/-$79,462+/-$-1
New Market town+/-$28,400+/-$32,032+/-$11,082+/-9.5%+/-$-1+/-$47,893+/-$2,664+/-$40,668
Frederick County+/-$2,489+/-$2,160+/-$744+/-0.9%+/-$8,769+/-$3,514+/-$4,897+/-$3,939