U.S. ZIP Code tools

20634 · Population & demographics · Great Mills MD

ZIP Code
20634

Great Mills, MD

City / locality
Great Mills
State
Maryland
ZIP Code type
Type not provided
Latitude
38.2674
Longitude
-76.4954
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

7,088People · Margin of error ±1,304

Median age

32.0Years · Margin of error ±4.0

Median household income

139,375USD · Margin of error ±17,358

Median home value

342,300USD · Margin of error ±24,952

Total households

2,694Households · Margin of error ±424

Housing units

3,026Count · Margin of error ±433

Owner-occupied housing units

1,763Count · Margin of error ±297

Renter-occupied housing units

931Count · Margin of error ±335

Median monthly gross rent

1,814USD · Margin of error ±184

Household income distribution

USD · Households

$0–$9,99920±32
$10,000–$14,99959±59
$15,000–$19,99935±41
$20,000–$24,99961±56
$25,000–$29,99959±72
$30,000–$34,99959±58
$35,000–$39,9990±19
$40,000–$44,99941±50
$45,000–$49,99943±49
$50,000–$59,99963±54
$60,000–$74,99999±115
$75,000–$99,999450±189
$100,000–$124,999175±100
$125,000–$149,999315±128
$150,000–$199,999623±218
≥ $200,000592±259

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