ZIP code 21158 is in Carroll County, Maryland. About 22,083 people live here in 8,451 households. The median home value is $384,700 and the median household income $109,827. The average commute takes about 40 minutes.
ZIP code tabulation area · ACS 2020–2024 · Updated October 24, 2026
92%of households have broadbandhome internet subscription
21158 in MarylandZIP codes coloured by median household income
21158
<$45K$125K+
Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · U.S. Census Bureau, 2024 Gazetteer and 2020 ZCTA relationship files
People.
22,083 residents in 8,451 households, next to the Carroll County figure.
21%
under 18
HereCarroll County
20%
aged 18–34
HereCarroll County
19%
aged 65 and over
HereCarroll County
22%
of households are people living alone
HereCarroll County
58%
of households are married couples
HereCarroll County
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Homes.
8,768 housing units; the median owner-occupied home is valued at $384,700 (±$15,961).
79%
of households own their home
HereCarroll County
72%
of homes are detached single-family houses
HereCarroll County
10%
are in buildings with 5 or more units
HereCarroll County
0%
are mobile homes
HereCarroll County
4%
of housing units are vacant
HereCarroll County
$1,794
median gross rent a month
HereCarroll County
When homes were built
2020 or later0%
2010–20194%
2000–200914%
1990–199920%
1980–198924%
1970–197914%
1960–19698%
1950–19594%
1940–19491%
1939 or earlier12%
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Income and work.
Household income and work, in 2024 dollars; median household income ±$7,373.
$109,827
median household income
HereCarroll County
6.2%
of people live below the poverty line
HereCarroll County
3.5%
unemployment rate
HereCarroll County
36%
of adults 25+ hold a bachelor’s degree or higher
HereCarroll County
The poverty rate uses the federal poverty thresholds, which vary with family size. It says nothing on its own about what a neighborhood is like to live in.
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Getting around.
How workers aged 16 and over get to work, and how long it takes.
40 min
average commute to work
HereCarroll County
39%
of commuters travel 45 minutes or more
HereCarroll County
85%
of workers drive or carpool
HereCarroll County
0%
take public transportation
HereCarroll County
0%
walk or bike
HereCarroll County
15%
work from home
HereCarroll County
4%
of households have no car
HereCarroll County
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Internet.
Home internet subscriptions.
92%
of households have a broadband subscription
HereCarroll County
5%
have no internet access at home
HereCarroll County
American Community Survey figures are estimates from a rolling sample, averaged over 2020–2024. Each comes with a margin of error, which is wider in places with fewer people.
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Businesses in 21158.
282 business establishments with paid employees have an address in this ZIP code.
Grocery stores and supermarkets0
Convenience stores0
Pharmacies and drug stores0
Retail bakeries0
Full-service restaurants6
Limited-service restaurants6
Coffee shops and snack bars0
Bars0
Physicians’ offices3
Dentists’ offices0
Child care centers6
Gyms and fitness centers0
Movie theaters0
Museums0
Counts are business establishments with paid employees, by the ZIP code of their address. Self-employed people without staff, and public facilities such as libraries, are not included.
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023
Health.
Estimated share of adults in 21158, next to the national figure.
76%
had a routine checkup in the past year
HereUnited States
65%
visited a dentist in the past year
HereUnited States
7%
of 18–64s have no health insurance
HereUnited States
24%
get no leisure-time physical activity
HereUnited States
36%
usually sleep less than 7 hours
HereUnited States
12%
smoke
HereUnited States
38%
have obesity
HereUnited States
11%
have diagnosed diabetes
HereUnited States
35%
have high blood pressure
HereUnited States
15%
report fair or poor general health
HereUnited States
15%
report frequent mental distress
HereUnited States
31%
often feel lonely
HereUnited States
10%
faced food insecurity in the past year
HereUnited States
9%
faced housing insecurity in the past year
HereUnited States
6%
lacked reliable transportation in the past year
HereUnited States
These are model-based estimates for adults from the CDC’s PLACES project, combining national health surveys with local population data. They are not counts of local patients, and small differences between nearby ZIP codes are within the margin of the model.
Source: Centers for Disease Control and Prevention, PLACES 2025 release (ZCTA), public domain
Nearest public schools.
In a straight line from the center of the ZIP code. Attendance zones are set by each school district.
Runnymede ElementaryWestminster4.0 mi
Westminster ElementaryWestminster5.2 mi
Westminster West MiddleWestminster5.4 mi
William Winchester ElementaryWestminster5.5 mi
Westminster East MiddleWestminster6.0 mi
Source: National Center for Education Statistics, EDGE public school locations 2024–25
Nearby ZIP codes.
ZIP codes here are the Census Bureau’s ZIP Code Tabulation Areas, which closely match the postal ZIP codes used for addresses.
21158