ZIP code
21084
Jarrettsville, MD
21084 covers Jarrettsville in Harford County, with 7,488 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 21084. Methodology
ZIP code map of 21084

About ZIP code 21084
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 21084. Not ACS. Methodology
People in 21084
Race
- White6,985
- Black or African American98
- American Indian or Alaska Native8
- Asian69
- Native Hawaiian and Pacific Islander1
- Other race59
- Two or more races380
Hispanic or Latino (any race): 138
Age
- Under 10891
- 10 to 19851
- 20 to 29713
- 30 to 39788
- 40 to 49898
- 50 to 591,196
- 60 to 691,191
- 70 to 79767
- 80 and older305
Income and housing in 21084
Education
- High school graduate96.9%
- Bachelor's degree43.4%
- Graduate degree17.7%
Places covering 21084
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Jarrettsville33.1%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Harford County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
66.9% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 21084
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 7,994 | |
| 2006 | 7,411 | |
| 2007 | 7,705 | |
| 2008 | 7,457 | |
| 2009 | 7,385 | |
| 2010 | 7,409 | |
| 2011 | 7,968 | 7,429 |
| 2012 | 7,548 | 7,370 |
| 2013 | 7,561 | 7,200 |
| 2014 | 7,358 | 7,140 |
| 2015 | 7,287 | 7,160 |
| 2016 | 7,619 | 7,150 |
| 2017 | 7,743 | 7,300 |
| 2018 | 7,583 | 7,370 |
| 2019 | 7,603 | 7,320 |
| 2020 | 7,670 | 7,260 |
| 2021 | 7,254 | 7,270 |
| 2022 | 7,366 | 7,370 |
| 2023 | 7,488 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 21084
12 nearest ZIP centroids (any distance)
- 21050Forest Hill4.4 miPop 17,848 · Income $123,750
- 21132Pylesville6.1 miPop 2,904 · Income $150,119
- 21161White Hall6.1 miPop 5,288 · Income $99,709
- 21047Fallston6.2 miPop 13,540 · Income $154,524
- 21154Street6.4 miPop 7,187 · Income $100,583
- 21111Monkton7.1 miPop 4,690 · Income $135,781
- 21013Baldwin7.2 miPop 5,985 · Income $170,333
- 21014Bel Air8.1 miPop 37,976 · Income $113,825
- 21082Hydes9.4 miPop 525 · Income $144,426
- 17321Fawn Grove9.5 miPop 2,346 · Income $113,403
- 21051Fork9.7 miPop 132 · Income $189,453
- 21131Phoenix10.0 miPop 7,050 · Income $187,250
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 21084, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 21084 FAQ
- What city is ZIP code 21084 in?
- 21084 is in Jarrettsville, MD.
- What county is 21084 in?
- 21084 is in Harford County.
- What is the median household income in 21084?
- The median household income in 21084 is $118,098.
- Which ZIP codes are near 21084?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 21084.