U.S. ZIP Code tools

20878 · Population & demographics · Gaithersburg MD

ZIP Code
20878

Gaithersburg, MD

City / locality
Gaithersburg
State
Maryland
ZIP Code type
Type not provided
Latitude
39.1125
Longitude
-77.2515
Coordinate source
GeoNames Postal
Source
GeoNames Postal
Source year
Inherited source snapshot

Some U.S. place names and coordinates come from GeoNames as geographic references. They are not confirmation of the USPS preferred mailing city.

ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.

Population & demographics

acs/acs5 · 2024

ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.

Estimated population

66,115People · Margin of error ±1,695

Median age

41.4Years · Margin of error ±0.9

Median household income

144,313USD · Margin of error ±7,146

Median home value

715,800USD · Margin of error ±22,021

Total households

24,237Households · Margin of error ±688

Housing units

25,127Count · Margin of error ±710

Owner-occupied housing units

16,774Count · Margin of error ±757

Renter-occupied housing units

7,463Count · Margin of error ±573

Median monthly gross rent

2,226USD · Margin of error ±54

Household income distribution

USD · Households

$0–$9,999349±123
$10,000–$14,999305±111
$15,000–$19,999167±83
$20,000–$24,999438±176
$25,000–$29,999344±202
$30,000–$34,999383±150
$35,000–$39,999349±141
$40,000–$44,999267±120
$45,000–$49,999291±121
$50,000–$59,999869±185
$60,000–$74,9991,241±276
$75,000–$99,9993,418±572
$100,000–$124,9992,243±296
$125,000–$149,9991,838±290
$150,000–$199,9993,578±478
≥ $200,0008,157±519

ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.

Source

GeoNames Postal

Source year: Source vintage not supplied

GeoNames Postal

U.S. Census Bureau Gazetteer

Source year: 2026 Gazetteer

U.S. Census Bureau Gazetteer

U.S. Census Bureau ZCTA cartographic boundaries

Source year: 2020 Census ZCTA cartographic

U.S. Census Bureau ZCTA cartographic boundaries

U.S. Census Bureau ACS 5-year

Source year: 2024 ACS 5-year

U.S. Census Bureau ACS 5-year