US > Maryland > Carroll County > Marriottsville, MD 21104

Marriottsville, MD 21104 ZIP Code Profile

Related Place Profiles:

Henryton, MD

Photos of the local Marriottsville, MD area

ZIP Code 21104: Basic Data & USPS Preferred City Name

Preferred Name, USPS

Marriottsville, MD 21104

Acceptable Alternative

Henryton, MD 21104

Marriottsvl, MD 21104

Woodstock, MD 21104

ZIP Code Type: STANDARD
County: Carroll County
Centroid: Latitude 39.344, Longitude -76.907
Time Zone: Eastern Time Zone (UTC -5 hours)
Observes DST: Yes

ZIP Code 21104 has segments in 3 Counties / Independent Cities (Baltimore, Carroll, Howard).

Businesses Addresses: 110
PO Box Addresses: 0
Residential Addresses: 2,072

Multi-Family Addresses: 0
Single Family Addresses: 2,072

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

21104 ZIP Code Map

Marriottsville, MD 21104 Data & Demographics (As of July 1, 2017)

POPULATION
Total Population	7,391
Daytime Population: Workers	1,788
Daytime Population: Residents	3,690
Total Daytime Population (TDP)	5,478
Ratio TDP/Total Population¹	0.74
Population in Households	7,327
Population in Familes	6,579
Population in Group Qrtrs	64
Population Density²	378
Diversity Index³	45

INCOME
Median Household Income	$117,209
Average Household Income	$146,480
Per Capita Income	$50,973

HOUSING
Total Housing Units	2,644 (100%)
Owner Occupied HU	2,277 (86.1%)
Renter Occupied HU	279 (10.6%)
Vacant Housing Units	88 ( 3.3%)
Median Home Value	$488,745
Average Home Value	$542,314

HOUSEHOLDS
Total Households	2,556
Average Household Size	2.87
Family Households	2,002
Average Family Size	3

NOTES

If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
Population Density = Total Population per square mile.
The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.

GROWTH RATE / YEAR	2010-2017	2017-2022
Population	2.83%	2.23%
Households	2.71%	2.14%
Families	2.52%	2.0%
Median Household Income		1.15%
Per Capita Income		1.82%

Marriottsville, MD 21104 - Peer Comparisons by Rank and Percentile

The table below compares 21104 to the other 456 ZIP Codes in Maryland by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.