Maryland · Census place 2483100

Westminster, Maryland

Westminster is a city in Carroll County, Maryland with an estimated 20,662 residents on July 1, 2024. It is the 13th largest of 100 incorporated places of 1,000+ people in the state.

Population 2024
20,662
#13 of 100 in Maryland
Change since 2020
+2.6%
+532 people
Land area
6.8 sq mi
Density
3,057 / sq mi
State median 2,607
Orange pin: Westminster. Shaded: its county. Dark pin: Annapolis.

Westminster population, 2020 to 2024

Westminster added 532 residents from July 2020 to July 2024, a change of +2.6%. In the latest year it moved by +35. Among 46 Maryland places of 5,000 or more, that growth ranks 13th; the median place changed by +1.3%. The median place of 5,000+ in Maryland has 10,155 people, so Westminster is 2.0 times that size.

20.1k202020.3k202120.5k202220.6k202320.7k2024
July 1 estimates. The April 2020 estimates base was 20,137. The axis starts above zero so yearly changes are visible.

Westminster covers 6.76 square miles of land, for 3,057 people per square mile of land. The median Maryland place of 5,000+ has 2,607, so Westminster is denser than the typical town.

What county Westminster is in

All of Westminster's residents live in Carroll County, which had 177,108 residents in 2024. Westminster holds 11.7% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Westminster

2 ZIP Code Tabulation Areas (ZCTAs) overlap Westminster by at least 10% of the ZCTA's or the city's land: 21157, 21158. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Westminster is

The Census internal point of Westminster is at 39.579200, -77.006700. Annapolis, the capital, is 49.8 miles SE in a straight line. The nearest larger place is Frederick, MD (89,537 people), 23.9 miles away. The nearest city of 100,000 or more is Baltimore, MD, 28.6 miles away.

Internal point

Decimal
39.579200, -77.006700
DMS
39°34'45.12"N 77°00'24.12"W
UTM
18N 327655.2E 4382977.6N
Geohash
dr11ptjmt
Plus code
87F4HXHV+M8

Daylight in Westminster

At 39.58° N, Westminster gets about 14 h 58 min of daylight around the June solstice and 9 h 22 min around the December solstice, a swing of 5 h 36 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Westminster

The eight nearest incorporated places of 1,000+ in Maryland, measured between internal points. The closest is New Windsor, 5.5 miles away, with 1,758 people.

Questions people ask

What is the population of Westminster, MD?

20,662 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 532 (2.6%) from 20,130 in July 2020.

What county is Westminster in?

Carroll County. All of its residents live in that county.

What ZIP codes cover Westminster?

2 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 21157, 21158.

How far is Westminster from Annapolis?

49.8 miles (80.2 km) in a straight line, heading SE from Westminster.

What is the nearest larger city to Westminster?

Frederick, MD, with 89,537 residents, 23.9 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.