US ZIP Code Map
Loading ZIP borders…

Layers

County · GEOID 24027

Howard County, MD ZIP codes

25 ZIP/ZCTAs intersecting this county.

ACS 2023 population

333,916

Median household income

$146,982

Median home value

$576,700

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Howard County (GEOID 24027). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 442,398 (25 ZIPs).

Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology

ZIP/ZCTA overlap with Howard County

Population overlap

Share of each ZIP/ZCTA’s population located within Howard County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

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

ZIP codes intersecting Howard County

ZIPCityCountyPopulationIncome
20701Annapolis JunctionAnne Arundel County749$81,763
20723LaurelHoward County36,319$129,870
20759FultonHoward County6,758$250,000+
20763SavageHoward County2,320$119,083
20777HighlandHoward County3,046$218,808
20794JessupHoward County16,182$105,441
20833BrookevilleMontgomery County7,868$203,631
21029ClarksvilleHoward County13,783$250,000+
21036DaytonHoward County2,162$170,313
21042Ellicott CityHoward County43,021$190,504
21043Ellicott CityHoward County47,134$141,846
21044ColumbiaHoward County44,775$132,924
21045ColumbiaHoward County40,866$117,323
21046ColumbiaHoward County15,433$126,549
21075ElkridgeHoward County37,146$133,321
21076HanoverAnne Arundel County23,642$143,409
21104MarriottsvilleHoward County5,786$199,803
21163WoodstockHoward County7,031$131,154
21723CooksvilleHoward County587$250,000+
21737GlenelgHoward County2,384$250,000+
21738GlenwoodHoward County3,668$230,429
21771Mount AiryFrederick County32,827$154,844
21784SykesvilleCarroll County37,813$141,228
21794West FriendshipHoward County2,326$223,833
21797WoodbineHoward County8,772$185,435

USPS associates these ZIPs with Howard County

These codes list Howard County as a primary or acceptable city. They are not used for the ACS headline.