21757 ZIP Code Demographics & Rankings

ZIP Code Type: STANDARD
County: Carroll County
Centroid: Latitude 39.601, Longitude -77.254
Time Zone: Eastern Time Zone (UTC -5 hours)
Observes DST: Yes

ZIP Code 21757 has segments in 2 Counties / Independent Cities (Carroll, Frederick).

Businesses Addresses: 40
PO Box Addresses: 54
Residential Addresses: 1,061

Multi-Family Addresses: 0
Single Family Addresses: 1,061

The ZIP Code maps and database are updated 4 times per year.
Database updated: January 1, 2020, Maps updated: November 1, 2019.

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Keymar, MD 21757 Data & Demographics (As of July 1, 2019)

HOUSING AFFORDABILITY INDEX
Keymar, MD 21757 Housing Affordability Index is 131 State of Maryland Housing Affordability Index is 118
The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.

WEALTH INDEX
Keymar, MD 21757 Wealth Index is 138 State of Maryland Wealth Index is 141
The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.

These new demographic attributes are availiable for Neighborhoods, Cities, Counties / Independent Cities, and ZIP Codes.

POPULATION
Total Population	2,849
Population in Households	2,812
Population in Familes	2,416
Population in Group Qrtrs	37
Population Density	83
Diversity Index¹	20

INCOME
Median Household Income	$81,540
Average Household Income	$104,777
Per Capita Income	$37,780
Wealth Index³	138

HOUSING
Total Housing Units	1,092 (100%)
Owner Occupied HU	772 (70.7%)
Renter Occupied HU	255 (23.4%)
Vacant Housing Units	65 ( 6.0%)
Median Home Value	$327,551
Housing Affordability Index²	131

HOUSEHOLDS
Total Households	1,027
Average Household Size	2.74
Family Households	787
Average Family Size	3

NOTES

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.
The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.

Keymar, MD 21757 - Peer Comparisons by Rank and Percentile

The table below compares 21757 to the other 461 ZIP Codes in Maryland by rank and percentile using July 1, 2019 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.

GROWTH RATE / YEAR	2010-2019	2019-2024
Population	0.44%	0.45%
Households	0.52%	0.5%
Families	0.39%	0.4%
Median Household Income		2.72%
Per Capita Income		3.31%

Variable Description	Rank	Percentile
Total Population	# 282	39th
Population Density	# 376	19th
Diversity Index	# 378	18th
Median Household Income	# 222	52nd
Per Capita Income	# 255	45th

Keymar, MD 21757 ZIP Code Profile

ZIP Code 21757: Basic Data & USPS Preferred City Name

Popular Places Near ZIP Code 21757

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Keymar, MD 21757 Data & Demographics (As of July 1, 2019)

HOUSING AFFORDABILITY INDEX

WEALTH INDEX

POPULATION

INCOME

HOUSING

HOUSEHOLDS

GROWTH RATE / YEAR

Keymar, MD 21757 - Peer Comparisons by Rank and Percentile

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Carroll County

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