Maryland Montgomery County Demographics

Montgomery County is one of a 24 primary legal divisions of Maryland in the United States, accommodates 1,056,910 total local residents (according to 2022 ACS 5-year data), and associated with 2 NPA codes, 67 standard zip codes, 10 unique zip codes, and 9 major cities. This demographic dynamics of Montgomery County, MD shows how its entire population of 1,056,910 residents connected to various socio-economic factors like education, employment, total households, household income, per capita income, etc.

San Diego County, CA Demographics Summary

Parameter	Value
County Name	Montgomery County
Montgomery County FIPS Code	24031
State	Maryland
Population	1,056,910 residents
Male Population	515,682 males
Female Population	541,228 females
Male to Female Ratio	953 female per 1,000 male
Land Area	493 square miles
Population per square mile	2,143 residents
White Population	492,918
Hispanic or Latino Population	211,486
Black Population	195,859
Asian Population	161,673
Total US Natives or Citizens	1,056,910
Total Non US Citizens	148,187
Education	60.90
Employment	66.20
Avg. household income	$172,866
Percapita Income	$64,126
Total Housing units	1,056,910
Vacant Housing units	18,359
Insurance	1,047,716

Montgomery County, MD and USA Comparison

	Montgomery County	Maryland	United States
Total population	1,056,910	6,177,224	331,097,593
Population per square miles	2143	636	94
Employment Rate	68.72%	63.70%	60.30%
Median Household Income	$172,866	$94,991	$74,755
Health Insurance Coverage	92.6%	93.9%	92%
Total Housing Units	385,284	2,375,984	129,870,928

Popular Cities in Montgomery County, MD

Montgomery County is the most populous county in Maryland, a place for having 9 most populous cities (having the population of more than 20000 residents) in the United States.

City	Population	Zip Codes
Bethesda	66,316	5 zip codes
Clarksburg	28,337	1 zip code
Gaithersburg	69,016	14 zip codes
Germantown	90,210	4 zip codes
Montgomery Village	34,748	2 zip codes
Olney	35,522	2 zip codes
Potomac	46,499	2 zip codes
Rockville	67,142	10 zip codes
Silver Spring	81,808	16 zip codes

2 Area Codes Used in Montgomery County, MD

Montgomery County is a largest populous county in the United States and a Maryland, is associated with 2 area (NPA) codes in the United States for dialing/telecommunication purposes.

• 240 Area Code
• 301 Area Code

10 Unique and 67 Standard ZIP Codes Used in Montgomery County

Montgomery county is a place for 10 unique and 67 standard ZIP code locations for mail and parcel delivery purposes.

67 STANDARD ZIP Codes in Montgomery County
There are 67 STANDARD ZIP codes are being used in Montgomery County, MD to handle home and business mail delivery. Unlike the 10 Unique ZIP codes in Montgomery County, the Standard ZIP codes handle the mail delivery for the nearby Unique ZIP code locations too.

ZIP Code	Post Office Location	Post Office	Population
20812	GLEN ECHO 6106 HARVARD AVE	Standard	282
20813	FRIENDSHIP HEIGHTS 5530 WISCONSIN AVE FRNT	Post-Box Only using 20815 Facility	-
20814	WESTLAKE 10421 MOTOR CITY DR	Post-Box Only using 20817 Facility	30234
20815	WESTLAKE 10421 MOTOR CITY DR	Post-Box Only using 20817 Facility	31080
20816	WESTLAKE 10421 MOTOR CITY DR	Post-Box Only using 20817 Facility	17390
20817	WESTLAKE 10421 MOTOR CITY DR	Standard	37795
20818	CABIN JOHN 7945 MACARTHUR BLVD STE 101	Standard	1787
20824	BETHESDA 6900 WISCONSIN AVE STE 100	Post-Box Only using 20815 Facility	-
20825	CHEVY CHASE 5910 CONNECTICUT AVE	Post-Box Only using 20815 Facility	-
20827	WESTLAKE 10421 MOTOR CITY DR	Post-Box Only using 20817 Facility	-
20830	OLNEY 3570 OLNEY LAYTONSVILLE RD	Post-Box Only using 20832 Facility	-
20832	OLNEY 3570 OLNEY LAYTONSVILLE RD	Standard	25488
20833	BROOKEVILLE 22311 GEORGIA AVE	Standard	7949
20837	POOLESVILLE 19820 FISHER AVE	Standard	6651
20838	BARNESVILLE 22110 BEALLSVILLE RD	Standard	368
20839	POOLESVILLE 19820 FISHER AVE	Post-Box Only using 20837 Facility	161
20841	BOYDS 15300 BARNESVILLE RD	Standard	9312
20842	DICKERSON 22145 DICKERSON RD	Standard	1927
20847	PIKE 143 ROLLINS AVE	Post-Box Only using 20852 Facility	-
20848	TWINBROOK 2001 VEIRS MILL RD	Post-Box Only using 20851 Facility	-
20849	ROCKVILLE 500 N WASHINGTON ST	Post-Box Only using 20850 Facility	-
20850	ROCKVILLE 500 N WASHINGTON ST	Standard	51072
20851	TWINBROOK 2001 VEIRS MILL RD	Standard	14659
20852	ROCKVILLE CARRIER ANNEX 2011 E JEFFERSON ST	Standard	48379
20853	TWINBROOK 2001 VEIRS MILL RD	Post-Box Only using 20851 Facility	31794
20854	POTOMAC 10221 RIVER RD	Standard	49320
20855	DERWOOD 17533 REDLAND RD	Standard	16558
20859	POTOMAC 10221 RIVER RD	Post-Box Only using 20854 Facility	-
20860	ASHTON 19 OLNEY SANDY SPRING RD	Post-Box Only using 20861 Facility	2279
20861	ASHTON 19 OLNEY SANDY SPRING RD	Standard	3031
20862	ASHTON 19 OLNEY SANDY SPRING RD	Post-Box Only using 20861 Facility	268
20866	BURTONSVILLE 15210 DINO DR	Standard	16680
20868	SPENCERVILLE 2323 SPENCERVILLE RD	Standard	630
20871	CLARKSBURG 22505 GATEWAY CENTER DR	Standard	27420
20872	DAMASCUS 26400 WOODFIELD RD	Standard	12932
20874	GERMANTOWN 12774 WISTERIA DR	Standard	61922
20875	GERMANTOWN 12774 WISTERIA DR	Post-Box Only using 20874 Facility	-
20876	GERMANTOWN 12774 WISTERIA DR	Post-Box Only using 20874 Facility	26572
20877	GAITHERSBURG 21 S SUMMIT AVE	Standard	38524
20878	DIAMOND FARMS 23 FIRSTFIELD RD	Standard	65954
20879	MONTGOMERY VILLAGE 10079 STEDWICK RD	Post-Box Only using 20886 Facility	27489
20880	WASHINGTON GROVE 111 WASHINGTON GROVE LN	Standard	604
20882	DAMASCUS 26400 WOODFIELD RD	Post-Box Only using 20872 Facility	13962
20883	KENTLANDS 618 CENTER POINT WAY	Post-Box Only using 20878 Facility	-
20884	GAITHERSBURG 21 S SUMMIT AVE	Post-Box Only using 20877 Facility	-
20885	DIAMOND FARMS 23 FIRSTFIELD RD	Post-Box Only using 20878 Facility	-
20886	MONTGOMERY VILLAGE 10079 STEDWICK RD	Standard	34692
20891	WHITE FLINT STATION 5056 NICHOLSON LN STE B	Post-Box Only using 20852 Facility	-
20895	KENSINGTON 10325 KENSINGTON PKWY	Standard	19273
20896	GARRETT PARK 4600 WAVERLY AVE	Standard	840
20898	SUBURBAN WINDOW SCV 16501 SHADY GROVE RD	Standard	-
20901	SILVER SPRING CARRIER ANNEX 12010 PLUM ORCHARD DR	Post-Box Only using 20904 Facility	37207
20902	WHEATON 11431 AMHERST AVE	Standard	53308
20903	SILVER SPRING CARRIER ANNEX 12010 PLUM ORCHARD DR	Post-Box Only using 20904 Facility	25324
20904	COLESVILLE CARRIER ANNEX 12010 PLUM ORCHARD DR	Standard	56532
20905	COLESVILLE 13217 NEW HAMPSHIRE AVE	Post-Box Only using 20904 Facility	17451
20906	ASPEN HILL 14030 CONNECTICUT AVE	Standard	71560
20907	SILVER SPRING 940 THAYER AVE	Post-Box Only using 20910 Facility	-
20908	LEISURE WORLD FINANCE 3802 INTERNATIONAL DR	Post-Box Only using 20906 Facility	-
20910	SILVER SPRING 940 THAYER AVE	Standard	45072
20911	SILVER SPRING 940 THAYER AVE	Post-Box Only using 20910 Facility	-
20912	TAKOMA PARK CARRIER ANNEX 110 UNIVERSITY BLVD W	Post-Box Only using 20901 Facility	25823
20913	TAKOMA PARK 6909 LAUREL AVE	Post-Box Only using 20912 Facility	-
20914	COLESVILLE 13217 NEW HAMPSHIRE AVE	Post-Box Only using 20904 Facility	-
20915	WHEATON 11431 AMHERST AVE	Post-Box Only using 20902 Facility	-
20916	ASPEN HILL 14030 CONNECTICUT AVE	Post-Box Only using 20906 Facility	-
20918	WOODMOOR 110 UNIVERSITY BLVD W	Post-Box Only using 20901 Facility	-

10 UNIQUE ZIP Codes in Montgomery County
Montgomery County's UNIQUE ZIP codes in Maryland are the exclusive ZIP codes assigned to governmental agencies, universities and large businesses in the county, handling large volume of mail delivery. Despite the nearby STANDARD ZIP codes include these entity regions in Maryland, these 10 Unique ZIP codes in Montgomery County, MD ensures the faster delivery to such locations. These 10 ZIP code are not recommended to use if your mail is not intended to recipients or entities in these 10 Unique ZIP code locations in Montgomery County, MD.

Entity ZIP Code	Post Office Location	Physical ZIP Code
20810	SUBURBAN MARYLAND 16501 SHADY GROVE RD	20898
20811	SUBURBAN MARYLAND 16501 SHADY GROVE RD	20898
20857	ROCKVILLE 500 N WASHINGTON ST	20850
20889	SUBURBAN MARYLAND 16501 SHADY GROVE RD	20898
20892	SUBURBAN MARYLAND 16501 SHADY GROVE RD	20898
20894	SUBURBAN MARYLAND 16501 SHADY GROVE RD	20898
20897	SUBURBAN MARYLAND 16501 SHADY GROVE RD	20898
20899	SUBURBAN MARYLAND 16501 SHADY GROVE RD	20898
20993	SILVER SPRING CARRIER ANNEX 12010 PLUM ORCHARD DR	20904
20997	SUBURBAN MARYLAND 16501 SHADY GROVE RD	20898