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21757 Zip Code Map | Maps, Demographics and Population for Keymar, MD

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21757 is a 5-digit zip code located in Keymar, Maryland. Keymar is the primary city for 21757 and is located in Carroll. In the most recent US census the population of 21757 was 2870.

There are a total of 1,162 housing units in 21757, Maryland. A total of 6.20% (72) are currently vacant.

Heading Statistic
Timezone GMT-5
City Name Keymar
Housing Units 1,162
Median Home Value $425,000
Universities 0
Law Enforcement 0 Locations
Hospitals 0
Heading Statistic
Current Population 2,870*
Avg Income $96,250
Occupied Houses 1,048
Vacant Houses 72
* Population taken from the last census in 2020.

Zip Code Products Showing 21757

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Maryland 3-Digit Zip Code Map Showing 21757

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County Map Showing 21757, Maryland

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You can download our data and files for 21757 here for FREE. If you need any data that isn't available here please get in touch through our contact form.

Population Figures for 21757

Total Population by Age

21757 has a total population of 2,870. In the bar chart and table below, this population is split into 18 different age range segments.

Most inhabitants of 21757 are in the 55 to 59 years age bracket. As of the last census, there are 283 people in this segment.

The 85 years and over segment is the smallest age range in 21757. There are just 25 people in this category.

Age Range Population
Under 5 151
5 to 9 158
10 to 14 171
15 to 19 126
20 to 24 179
25 to 29 186
30 to 34 96
35 to 39 155
40 to 44 107
Age Range Population
45 to 49 132
50 to 54 253
55 to 59 283
60 to 64 166
65 to 69 104
70 to 74 201
75 to 79 141
80 to 84 88
Over 85 25


Race and Gender Population of 21757

Men make up the highest portion of people in 21757. There are 1,503 men and 1,219 women in this 5-digit zip code.

There are no people who identify as: Native Hawaiian, Some other race in this 21757 zip code.

Most people in this zip code are White, with a total of 2,530 people in this category.

The chart and table below shows the population of people and which race they belong to in 21757


Gender Population
Male 1,503
Female 1,219
Race Population
White 2,530
Black 53
American Indian 36
Asian 43

Real Estate Figures

Median Rent Median House Value Median Rooms in House Most Common Heating Type
$50 $425,000 7.2 rooms Electricity

Housing Types in 21757 Zip Code

Below are two charts showing the amount of occupied vs vacant homes and the amount of renter vs owner occupied houses in the 21757 zip code.

The 21757 zip code area has a homeowner vacancy rate of 8.3% and a rental vacancy rate of 22.15%. This means there are a total of 72 vacant housing units throughout the zip code area. Conversely there are 1,048 housing units that are currently occupied.

Occupied Units Vacant Units Owner Vacancy Rate Rental Vacancy Rate
1,048 72 8.3% 22.15%
Owner-Occupied Renter-Occupied
795 253

Property Value in 21757

Most homes in 21757 are valued Median, with 425,000 houses in this category.

There are just 0 houses valued at Median. As you can see in the chart and table below, this is the smallest segment in this zip code.

The affordability ratio for the 21757 zip code in Maryland is 3.7. This is calculated by dividing the median housing value by the median income and is used to show how affordable a zip code is.

An affordability ratio of 3.7 is generally considered Medium (Moderately Affordable).

House Value Units
Less than $50,000 1,030
$50,000 to $99,999 0
$100,000 to $149,999 1,030
$150,000 to $199,999 4,010
$200,000 to $299,999 103,090
House Value Units
$300,000 to $499,999 208,090
$500,000 to $999,999 106,090
$1,000,000 or more 103,010
Median House Value $425,000


Heating Types for Homes in 21757

There are 7 different heating types used by people in the 21757 zip code area. As you can see from the table and chart below; Utility gas, Bottled, tank, or LP gas, Electricity, Fuel oil, kerosene, etc., Wood, Solar energy, No fuel used are the most commonly used heating types in this area.

Electricity is most commonly used to heat homes in 21757. As you can see below, there are 547 houses that use this method.

Heating Type Units
Utility gas 16
Bottled, tank, or LP gas 111
Electricity 547
Fuel oil, kerosene, etc. 257
Coal or coke 0
Heating Type Units
Wood 94
Solar energy 19
Other fuel 0
No fuel used 4

Household Income Generated 12-months of 2022

The chart and tables below show the household income segments for households in the 21757. 3 of households are on the low end, earning less than $10,000 in 2022.

On the other end, 10.2 of households earned more than $200,000 in the same year. You will also see that the mean income of this zip code is around $113,392.

Most households in 21757 earn in the $100,000 to $149,999 range. 27% of households are in this segment.

Income Range Percent
Less than $10,000 3
$10,000 to $14,999 0
$15,000 to $24,999 1.4
$25,000 to $34,999 2.5
$35,000 to $49,999 8.9
$50,000 to $74,999 20.7
Income Range Percent
$75,000 to $99,999 15.2
$100,000 to $149,999 27.4
$150,000 to $199,999 10.8
$200,000 or more 10.2
Mean income $113,392

Bedrooms, Rooms and Units in Structures in 21757

Below are three pie charts and tables showing the amount of bedrooms, total rooms and structures in houses for this zip code.

Most houses in 21757 have 5 or more bedrooms, with a total of 13 houses.

In regards to rooms in general, people in this zip code have an average of 7.2 rooms in their house. Most houses actually have 9 rooms or more in their house. 340 homes fit into this category.

340 homes in 21757 are in the 1-unit, detached category, which is the most common in terms of structures for this area.

The largest homes tracked, which are 20 units or more, make up 0 of the houses in this zip code. On the other end, 1,113 houses make up the smallest homes, which are 1 unit, mobile homes or boats.

Bedrooms Units
No bedroom 13
1 bedroom 13
2 bedrooms 13
3 bedrooms 13
4 bedrooms 13
5 or more bedrooms 13
Rooms Units
1 room 0
2 rooms 0
3 rooms 51
4 rooms 57
5 rooms 170
6 rooms 191
7 rooms 131
8 rooms 180
9 rooms or more 340
Median rooms 7.2
Units in Structure Units
1-unit, detached 1037
1-unit, attached 24
2 units 24
3 or 4 units 0
5 to 9 units 7
10 to 19 units 0
20 or more units 0
Mobile home 25
Boat, RV, van, etc. 27

Healthcare and Hospitals

Hospitals Database

There are currently no hospital and healthcare locations in the zip code of 21757.

Universities

Universities Database

There are currently no hospital and healthcare locations in the zip code of 21757.



Crime and Law Enforcement

Law Enforcement Data

There are currently no crime and law enforcement locations in the zip code of 21757.