Montgomery County, MD ZIP Codes
Maryland (MD) · 77 ZIP codes · 30 cities
77
ZIP codes
1,054,827
population (2021)
+8.5%
pop change since 2010
24031
FIPS code
Montgomery County ZIP code map
About Montgomery County
Montgomery County is located in Maryland and contains 77 ZIP codes across 30 cities and communities.
The county's population was 1,054,827 as of 2021,
an increase of
8.5% from 971,777 in 2010.
The timezone is Central Time (observes DST).
The Federal Information Processing System (FIPS) code for Montgomery County is 24031.
| Population | |
|---|---|
| 2021 population | 1,054,827 |
| 2010 population | 971,777 |
| Change | +8.5% |
| County details | |
|---|---|
| State | Maryland |
| FIPS code | 24031 |
| Timezone | Central |
| Daylight saving | Yes |
Cities in Montgomery County
Ashton
Barnesville
Beallsville
Bethesda
Boyds
Brinklow
Brookeville
Burtonsville
Cabin John
Chevy Chase
Clarksburg
Damascus
Derwood
Dickerson
Gaithersburg
Garrett Park
Germantown
Glen Echo
Kensington
Montgomery Village
Olney
Poolesville
Potomac
Rockville
Sandy Spring
Silver Spring
Spencerville
Suburb Maryland Fac
Takoma Park
Washington Grove
ZIP codes for Montgomery County, MD (77)
Demographics & statistics
1,066,111
Population
40.0
Median age
$132,889
Median household income
$63,787
Per capita income
$674,300
Median home value
$1,732
Median monthly rent
74.6%
Home ownership
6.2%
Poverty rate
4.4%
Unemployment
271,350
Housing units
61.0%
Bachelor's or higher
Age distribution
Male
Female
31,032
Under 5
32,411
32,827
5–9
34,286
35,000
10–14
36,556
32,869
15–19
34,330
29,925
20–24
31,255
63,950
25–34
66,791
72,284
35–44
75,497
71,087
45–54
74,246
35,213
55–59
36,778
32,839
60–64
34,299
47,816
65–74
49,941
25,102
75–84
26,218
11,523
85+
12,036
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 245,234 | 22.9% |
| 18 and over | 820,877 | 77.1% |
| 65 and over | 172,636 | 18.1% |
| Median age | 40.0 years | |
Race & ethnicity
White
40.1%
Black or African American
16.2%
Hispanic or Latino
13.5%
Asian
13.1%
Other race
9.3%
Two or more races
7.4%
American Indian / Alaska Native
0.3%
| Group | Count | % |
|---|---|---|
| White | 494,109 | 40.1% |
| Black or African American | 199,568 | 16.2% |
| Hispanic or Latino | 166,216 | 13.5% |
| Asian | 162,043 | 13.1% |
| Other race | 114,312 | 9.3% |
| Two or more races | 91,579 | 7.4% |
| American Indian / Alaska Native | 4,071 | 0.3% |
Household income
Under $10k
2.4%
$10k–$15k
1.3%
$15k–$25k
2.7%
$25k–$35k
3.6%
$35k–$50k
5.0%
$50k–$75k
9.4%
$75k–$100k
10.8%
$100k–$150k
18.3%
$150k–$200k
14.0%
$200k+
32.5%
| Range | % of households |
|---|---|
| Under $10k | 2.4% |
| $10k–$15k | 1.3% |
| $15k–$25k | 2.7% |
| $25k–$35k | 3.6% |
| $35k–$50k | 5.0% |
| $50k–$75k | 9.4% |
| $75k–$100k | 10.8% |
| $100k–$150k | 18.3% |
| $150k–$200k | 14.0% |
| $200k+ | 32.5% |
| Median income | $132,889 |
Housing
Home values
Under $50k
1.1%
$50k–$100k
0.5%
$100k–$150k
0.9%
$150k–$200k
1.4%
$200k–$300k
5.6%
$300k–$500k
25.4%
$500k–$1M
47.7%
$1M+
17.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $674,300 |
| Median rent / month | $1,732 |
| Owner occupied | 74.6% |
| Renter occupied | 25.4% |
| Vacant | 4.2% |
| Single-family detached | 63.0% |
| Large apartment buildings | 11.7% |
| Mobile homes | 0.2% |
| Median rooms | 7.2 |
| Avg household size (owned) | 2.91 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.3% |
| 2010–2019 | 7.1% |
| 2000–2009 | 10.3% |
| 1990–1999 | 11.1% |
| 1980–1989 | 19.3% |
| 1970–1979 | 16.0% |
| 1960–1969 | 13.3% |
| 1950–1959 | 11.1% |
| 1940–1949 | 4.2% |
| 1939 or earlier | 7.4% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.8% |
| 1 bedroom | 8.4% |
| 2 bedrooms | 16.2% |
| 3 bedrooms | 26.4% |
| 4 bedrooms | 31.1% |
| 5+ bedrooms | 16.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 5.7% |
| 1 vehicle | 27.2% |
| 2 vehicles | 41.6% |
| 3 or more | 25.5% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 46.0% |
| Electricity | 39.9% |
| Propane / LP gas | 2.4% |
| Fuel oil | 9.8% |
| Wood | 0.3% |
| Solar | 0.6% |
| No fuel used | 0.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 208,301 | 61.1% |
| Cohabiting couple | 20,082 | 4.5% |
| Male householder, no spouse | 54,703 | 11.4% |
| Female householder, no spouse | 105,149 | 23.0% |
| Households with children under 18 | 133,524 | 35.6% |
| Households with seniors (65+) | 118,760 | 34.1% |
| Average household size | 2.85 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 30.7% | 28.8% |
| Married | 61.0% | 53.2% |
| Separated | 0.9% | 1.5% |
| Widowed | 1.6% | 7.1% |
| Divorced | 5.7% | 9.4% |
Education
Less than 9th grade
4.5%
Some HS, no diploma
3.5%
HS graduate
13.2%
Some college, no degree
12.4%
Associate's degree
5.4%
Bachelor's degree
27.7%
Graduate / professional
33.3%
| Metric | % |
|---|---|
| HS diploma or higher | 92.0% |
| Bachelor's or higher | 61.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 17,235 | 6.7% |
| Kindergarten | 13,696 | 5.2% |
| Elementary school | 110,234 | 38.1% |
| High school | 60,230 | 24.5% |
| College / grad school | 69,579 | 23.1% |
Employment
Industry of employment
Education & healthcare
22.4%
Professional & management
22.4%
Public administration
10.5%
Retail trade
7.2%
Arts, food & hospitality
6.8%
Construction
6.8%
Finance & real estate
6.7%
Other services
6.7%
Manufacturing
3.2%
Transportation & utilities
2.7%
Information
2.5%
Wholesale trade
1.2%
Agriculture & mining
0.9%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 60.6% |
| Service | 13.6% |
| Sales & office | 14.7% |
| Natural resources & construction | 6.4% |
| Production & transportation | 4.8% |
Employment type
| Type | % |
|---|---|
| Private sector | 71.1% |
| Government | 21.6% |
| Self-employed | 7.0% |
| Unpaid family workers | 0.3% |
Commute
| Method | % |
|---|---|
| Drive alone | 58.1% |
| Carpool | 7.2% |
| Public transit | 7.3% |
| Walk | 1.7% |
| Other means | 1.7% |
| Avg commute (minutes) | 32.8 |
Poverty
All people
6.2%
Under 18 years
7.5%
18 and over
5.8%
Married-couple families
2.9%
Female-led households
11.6%
Income support
| Source | % of households |
|---|---|
| Social Security | 28.6% |
| Retirement income | 24.7% |
| Supplemental Security | 2.8% |
| Cash public assistance | 2.1% |
| Food stamps / SNAP | 5.9% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 28.0% |
| High cholesterol | 33.5% |
| Heart disease | 4.7% |
| Stroke | 2.3% |
| Asthma | 8.2% |
| Arthritis | 18.9% |
| Kidney disease | 2.3% |
| Pulmonary disease | 4.1% |
| Cancer | 6.1% |
| Behavior / access | % |
|---|---|
| Binge drinking | 12.8% |
| No physical activity | 16.1% |
| Less than 7 hrs sleep | 29.3% |
| Fair or poor health | 9.0% |
| Poor mental health | 11.2% |
| Poor physical health | 6.4% |
| No health insurance | 10.7% |
| Visited doctor (checkup) | 73.2% |
| Visited dentist | 70.7% |
| Cholesterol screening | 93.5% |
| Teeth loss | 6.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 35,607 | 4.3% |
| Disability | % |
|---|---|
| Any disability | 8.8% |
| Under 18 | 3.2% |
| 18–64 years | 5.9% |
| 65 and over | 26.3% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 79.1% |
| Public insurance | 29.2% |
| Uninsured under 19 | 2.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 1,002,668 | 94.3% |
| Spanish | 155,820 | 12.9% |
| Other Indo-European | 74,064 | 6.5% |
| Asian & Pacific Islander | 28,785 | 2.2% |
| Other languages | 38,677 | 3.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 716,145 | 73.2% |
| Born in same state | 694,008 | 71.1% |
| Born in different state | 277,845 | 29.3% |
| Foreign born | 22,137 | 2.1% |
| Naturalized citizen | 349,966 | 26.8% |
| Not a US citizen | 198,609 | 56.6% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 81,867 | 7.7% |
| French | 70,640 | 6.6% |
| Arab | 31,632 | 3% |
| English | 6,613 | 0.6% |
| Polish | 5,473 | 0.5% |
| Ancestry | Count | % |
|---|---|---|
| Irish | 5,192 | 0.5% |
| Norwegian | 3,314 | 0.3% |
| German | 2,942 | 0.3% |
| Dutch | 2,265 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 35.5% |
| Internet access | 98.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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