Washington County Info
All cities in Washington county
All zip codes in Washington county
Maryland State
USA
County
Washington
State
Maryland(MD)
Cities
21
Zip Codes
27
Population
139,549
Census 2010:
146,692
Estimated:
139,549
Growth:
-5.12%
White
128,211
82.32%
Black
16,402
10.53%
Hispanic
5,095
3.27%
Asian
2,652
1.70%
Other
2,112
1.36%
Indian
1,103
0.71%
Hawaiian
176
0.11%
Gender and Age
Females
72,167
49.20
%
Males
74,525
50.80
%
Median age
40.12
Median age for females
40.56
Median age for males
39.37
Households
Total households
55,384
Persons per household
2.495882
Income per household
$39,214.29
Top Data By Zip Codes
View all Zip Codes data
Most Populated
21740
58,639
21742
32,505
21795
9,364
21713
9,351
21783
8,544
Least Populated
21767
680
21779
877
21711
1,030
21733
1,265
21719
1,277
Growing
21733
8%
21750
5%
21742
3%
21795
1%
21711
0%
Declining
21767
-45%
21719
-21%
21782
-15%
21779
-12%
21722
-9%
Younger Crowd
21719
36.10
21740
37.30
21783
39.90
21742
40.10
21756
40.70
Older Crowd
21779
45.30
21782
43.90
21795
43.80
21713
43.60
21750
43.30
Highest Income
21779
$61,734.00
21756
$51,000.00
21782
$50,327.00
21722
$49,382.00
21742
$48,923.00
Lowest Income
21740
$33,704.00
21750
$34,635.00
21719
$34,911.00
21767
$41,507.00
21795
$42,064.00
Time Zone
Time zone(s)
Eastern Time Zone (US and Canada), EST. GMT-5
Day light saving
Yes
Area Codes
240
,
301
,
410
Cities in Numbers
All Cities in Washington County
Most Populated Cities in Washington County
Least Populated Cities in Washington County
Growing Cities in Washington County
Declining Cities in Washington County
Younger Crowd Cities in Washington County
Older Crowd Cities in Washington County
Highest Income Cities in Washington County
Lowest Income Cities in Washington County
Zip Codes in Numbers
All Zip Codes in Washington County
Most Populated Zip Codes in Washington County
Least Populated Zip Codes in Washington County
Growing Zip Codes in Washington County
Declining Zip Codes in Washington County
Younger Crowd Zip Codes in Washington County
Older Crowd Zip Codes in Washington County
Highest Income Zip Codes in Washington County
Lowest Income Zip Codes in Washington County