21754 ZIP Code — Ijamsville, MD

Frederick County, Maryland

ZIP code 21754 is located in Ijamsville, Maryland, within Frederick County. It covers approximately 21.83 square miles and serves a population of 7,260 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 240.

About ZIP code 21754

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $600,600. Owner-occupancy is high at 96%, well above the national average.

The gap between median ($179,068) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. An above-average commute of 39 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 22% of workers work from home.

Educational attainment is high — 58% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 21754 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

7,260

population

21.83

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21754 ZIP code map

Cities in ZIP code 21754

Below are the cities the US Postal Service accepts for ZIP code 21754. Using any city not on this list may result in mail delivery delays.

City	Status
Ijamsville	Acceptable

Demographics updated 06/2026

Population
Total population	7,260
Population density	333 / sq mi
State FIPS	24
County FIPS	021

Geography
Land area	21.83 sq mi
Water area	0.03 sq mi
Latitude	39.3378
Longitude	-77.3047
Timezone	Eastern (ET)
Area code	240

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	13.1%	22.0%	28.2%
$50k – $100k	19.6%	27.2%	28.2%
$100k – $200k	44.0%	36.5%	30.1%
Over $200k	23.3%	14.3%	13.4%

Demographics & statistics

7,260

Population

333

People per sq mi

40.0

Median age

$179,068

Median household income

$66,614

Per capita income

$600,600

Median home value

Median monthly rent

96.4%

Home ownership

2.7%

Poverty rate

3.5%

Unemployment

2,326

Housing units

57.6%

Bachelor's or higher

Age distribution

Male Female

151

Under 5

134

184

5–9

164

346

10–14

307

409

15–19

363

239

20–24

213

242

25–34

215

549

35–44

487

573

45–54

508

348

55–59

309

269

60–64

238

386

65–74

343

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,790	24.7%
18 and over	5,470	75.3%
65 and over	1,012	13.9%
Median age	40.0 years

Race & ethnicity

White 71%

Black or African American 9.1%

Asian 7.7%

Two or more races 6.7%

Hispanic or Latino 4.2%

Other race 1.2%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	5,377	71%
Black or African American	692	9.1%
Asian	582	7.7%
Two or more races	508	6.7%
Hispanic or Latino	317	4.2%
Other race	90	1.2%
Native Hawaiian / Pacific Islander	8	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	13.1%	22.0%	28.2%
$50k – $100k	19.6%	27.2%	28.2%
$100k – $200k	44.0%	36.5%	30.1%
Over $200k	23.3%	14.3%	13.4%

Under $10k 1.6%

$10k–$15k 0.5%

$15k–$25k 1.1%

$25k–$35k 2.3%

$35k–$50k 1.8%

$50k–$75k 9.5%

$75k–$100k 7.1%

$100k–$150k 12.8%

$150k–$200k 20.5%

$200k+ 42.8%

Range	% of households
Under $10k	1.6%
$10k–$15k	0.5%
$15k–$25k	1.1%
$25k–$35k	2.3%
$35k–$50k	1.8%
$50k–$75k	9.5%
$75k–$100k	7.1%
$100k–$150k	12.8%
$150k–$200k	20.5%
$200k+	42.8%
Median income	$179,068

Housing

Home values

Under $50k 1.3%

$100k–$150k 0.7%

$150k–$200k 0.9%

$200k–$300k 4.3%

$300k–$500k 28.6%

$500k–$1M 55.8%

$1M+ 8.4%

Housing overview

Metric	Value
Median home value	$600,600
Median rent / month	$0
Owner occupied	96.4%
Renter occupied	3.6%
Vacant	2.2%
Single-family detached	93.3%
Large apartment buildings	0.6%
Mobile homes	0.0%
Median rooms	8.3
Avg household size (owned)	3.04

Year built

Era	%
2020 or later	1.0%
2010–2019	9.6%
2000–2009	10.6%
1990–1999	30.2%
1980–1989	14.4%
1970–1979	17.2%
1960–1969	4.6%
1950–1959	3.2%
1940–1949	0.0%
1939 or earlier	9.1%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	2.0%
2 bedrooms	0.0%
3 bedrooms	31.5%
4 bedrooms	47.8%
5+ bedrooms	17.8%

Vehicles per household

Vehicles	% of households
No vehicle	4.4%
1 vehicle	9.8%
2 vehicles	43.1%
3 or more	42.6%

Heating fuel

Fuel type	%
Utility gas	37.7%
Electricity	46.8%
Propane / LP gas	4.9%
Fuel oil	6.4%
Wood	3.8%

Households & families

Household type	Count	%
Married-couple family	1,737	73.7%
Cohabiting couple	119	5.0%
Male householder, no spouse	275	11.7%
Female householder, no spouse	226	9.6%
Households with children under 18	1,028	43.6%
Households with seniors (65+)	759	32.2%
Average household size	3.08

Marital status

Status	Male	Female
Never married	29.4%	20.7%
Married	59.5%	64.6%
Separated	1.0%	0.7%
Widowed	2.0%	5.5%
Divorced	8.1%	8.5%

Education

Less than 9th grade 4.2%

Some HS, no diploma 1.7%

HS graduate 19.7%

Some college, no degree 12.4%

Associate's degree 4.3%

Bachelor's degree 32.1%

Graduate / professional 25.5%

Metric	%
HS diploma or higher	94.0%
Bachelor's or higher	57.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	74	3.5%
Kindergarten	47	2.2%
Elementary school	866	40.9%
High school	670	31.7%
College / grad school	458	21.7%

Employment

Industry of employment

Professional & management 18.4%

Education & healthcare 17.9%

Construction 12.1%

Arts, food & hospitality 9.3%

Public administration 9.2%

Retail trade 7.5%

Information 7.2%

Manufacturing 5.1%

Finance & real estate 4.7%

Other services 3.1%

Transportation & utilities 2.7%

Wholesale trade 2.4%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	59.5%
Service	7.9%
Sales & office	18.5%
Natural resources & construction	8.0%
Production & transportation	6.1%

Employment type

Type	%
Private sector	76.5%
Government	19.4%
Self-employed	4.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	61.7%
Carpool	14.1%
Public transit	0.7%
Walk	0.5%
Work from home	22.4%
Other means	0.7%
Avg commute (minutes)	39.1

Poverty

All people 2.7%

Under 18 years 0.0%

18 and over 3.6%

Married-couple families 1.3%

Female-led households 0.0%

Income support

Source	% of households
Social Security	28.4%
Retirement income	28.5%
Supplemental Security	1.4%
Cash public assistance	3.2%
Food stamps / SNAP	5.6%

Health indicators

Condition	%
Obesity	30.7%
High blood pressure	29.7%
High cholesterol	35.7%
Diabetes	8.8%
Heart disease	4.7%
Stroke	2.1%
Asthma	9.3%
Arthritis	21.5%
Kidney disease	2.2%
Pulmonary disease	4.6%
Cancer	6.5%

Behavior / access	%
Smoking	11.0%
Binge drinking	17.0%
No physical activity	16.3%
Less than 7 hrs sleep	29.9%
Depression	19.1%
Fair or poor health	8.5%
Poor mental health	12.5%
Poor physical health	7.0%
No health insurance	7.2%
Visited doctor (checkup)	75.5%
Visited dentist	74.0%
Cholesterol screening	93.9%
Teeth loss	6.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	358	6.5%

Disability	%
Any disability	9.3%
Under 18	4.2%
18–64 years	7.0%
65 and over	28.9%

Health insurance coverage

Type	%
Private insurance	83.4%
Public insurance	24.8%
No insurance	3.2%
Uninsured under 19	2.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,975	96.1%
Spanish	328	4.7%
Other Indo-European	197	2.8%
Asian & Pacific Islander	113	1.6%
Other languages	18	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,495	89.5%
Born in same state	6,352	87.5%
Born in different state	3,334	45.9%
Foreign born	143	2.0%
Naturalized citizen	765	10.5%
Not a US citizen	531	69.4%

Ancestry

Ancestry	Count	%
French	1,095	15.1%
Italian	950	13.1%
Arab	376	5.2%
English	102	1.4%

Ancestry	Count	%
Polish	45	0.6%
Dutch	27	0.4%
German	14	0.2%

Technology access

Metric	% of households
Computer access	32.5%
Internet access	97.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 21754

What city is ZIP code 21754 in?

ZIP code 21754 is primarily assigned to Ijamsville, Maryland.

What county is ZIP code 21754 in?

ZIP code 21754 falls within Frederick County, Maryland.

Is ZIP code 21754 mostly owner-occupied?

96% of occupied units in ZIP code 21754 are owner-occupied, well above the national average.

How educated is the population of ZIP code 21754?

58% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 21754?

The median household income in ZIP code 21754 is $179,068, above the national median of ~$75,000.

What is the typical home value in ZIP code 21754?

The median home value in ZIP code 21754 is $600,600.

What timezone is ZIP code 21754 in?

ZIP code 21754 observes the EST timezone.