PlainZIP

Elkridge, MD · standard

ZIP Code 21075

Howard County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

26,344
701/sq mi
$135,303
Median income
$455,300
Median home value
59.9%
Bachelor's or higher

The verdict

Elkridge pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 6%
household income, US ZIPs
Top 16%
home value, US ZIPs
701
people per sq mi
64%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21075 against every reporting US ZIP.

ZIP code 21075 is a densely settled ZIP (a standard USPS delivery area) in Elkridge, Howard County, Maryland, with 26,344 residents across 37.6 square miles, a density of 701 people per square mile, in the New York time zone.

ZIP 21075 skews affluent, with a median household income of $135,303 (19% above the Maryland average), while per-capita income is $53,780. Poverty here runs at 7.7%, with unemployment measured at 3.8%. Median home value sits at $455,300 (2% above the state average), median rent at $2,183 a month, and owner-occupancy at 64.1%.

This is a highly-educated ZIP: 59.9% of adults hold a bachelor's degree or higher, the median age is 34.1, and the average commute is 28 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Howard County, so you can benchmark 21075 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 21075

Top 5 sectors by establishment count in Elkridge, MD

Which industries have the most business establishments in ZIP 21075.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 21075, Elkridge, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

26,344

Population

37.6

Area (sq mi)

701

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 21075?

34.1

Median Age

49.4%

Male

50.6%

Female

24.0%

Foreign-Born

White 39.3%
African American 24.4%
Asian 21.9%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 10.2%
Hispanic or Latino 10.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$135,303

Median Household Income

+19% vs state

$53,780

Per Capita Income

7.7%

Poverty Rate

3.8%

Unemployment Rate

28.1 min

Mean Commute Time

How ZIP 21075 ranks nationally

Elkridge, MD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$135,303 Top 6% higher than 94% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 73.8%
Bachelor's Degree or Higher 59.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

13,443

Total Housing Units

13,038

Occupied Units

405

Vacant Units

2.86

Avg Household Size

Occupancy Type

Owner 64.1%
Renter 35.9%

$455,300

Median Home Value

+2% vs state

$2,183

Median Rent

2000

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+8.3%

YoY Change (2024)

275

HPI Index (2000 = 100)

+175%

Total Change Since 2000

Home values in ZIP 21075 have increased 8.3% over the past year (2024). Since 2000, this ZIP has seen +175% cumulative appreciation.

Year Annual Change HPI Index
2020 +0.6% 204
2021 +8.7% 221
2022 +11.1% 246
2023 +3.1% 253
2024 +8.3% 275

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 919 business establishments in ZIP 21075, employing approximately 17,627 people with a combined annual payroll of $1,346,245,000.

919

Businesses

17,627

Employees

$1.3B

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 156 17.0%
Construction 102 11.1%
Retail trade 92 10.0%
Health care and social assistance 88 9.6%
Other services (except public administration) 81 8.8%
Wholesale trade 78 8.5%
Administrative and support and waste management and remediation services 65 7.1%
Accommodation and food services 62 6.8%
Transportation and warehousing 54 5.9%
Real estate and rental and leasing 39 4.2%
Finance and insurance 25 2.7%
Manufacturing 22 2.4%
Educational services 22 2.4%
Information 15 1.6%
Arts, entertainment, and recreation 13 1.4%
Management of companies and enterprises 4 0.4%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 21075 vs 21076 →

ZIP 21075 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 21075 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 21075 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 21075 ranks #4 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
21076 Hanover, MD 12,952 3.0 mi
21228 Catonsville, MD 47,577 4.8 mi
21045 Columbia, MD 38,288 4.1 mi
21090 Linthicum Heights, MD 9,784 4.5 mi
20794 Jessup, MD 14,098 4.2 mi
21250 Baltimore, MD 3,205 4.2 mi
21043 Ellicott City, MD 42,246 4.5 mi
21077 Harmans, MD 224 4.4 mi
20755 Fort George G Meade, MD 9,302 6.8 mi
21240 Baltimore, MD 0 4.6 mi

More ZIP Codes in Howard County

21043 standard
Ellicott City, MD
Pop: 42,246
21044 standard
Columbia, MD
Pop: 41,704
21045 standard
Columbia, MD
Pop: 38,288
21042 standard
Ellicott City, MD
Pop: 38,076
20723 standard
Laurel, MD
Pop: 28,972
21046 standard
Columbia, MD
Pop: 15,080

Related Areas

Howard County Elkridge, MD Maryland

Frequently Asked Questions

What county is ZIP code 21075 in? ▼
ZIP code 21075 (Elkridge) is located in Howard County, Maryland. Howard County contains multiple ZIP codes, see the full list at /counties/howard-md.
What is the population of ZIP code 21075? ▼
ZIP code 21075 in Elkridge, MD has a population of 26,344 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21075? ▼
The median household income in ZIP 21075 is $135,303, which is 77% above the national average of $76,288.
What is the average home value in ZIP 21075? ▼
The median home value in ZIP 21075 is $455,300, which is 64% above the national average of $278,155.
What is the demographic makeup of ZIP 21075? ▼
The largest racial group in ZIP 21075 is White at 39.3%. Hispanic or Latino residents make up 10.7% of the population.
How many businesses are in ZIP code 21075? ▼
ZIP code 21075 has 919 business establishments employing approximately 17,627 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21075? ▼
The top industries by establishment count in ZIP 21075 are: Professional, scientific, and technical services (156), Construction (102), Retail trade (92). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 21075? ▼
According to the FHFA House Price Index, home values in ZIP 21075 increased by 8.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 175%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 21075? ▼
In ZIP code 21075, 73.8% of residents aged 25+ have a high school diploma or higher, and 59.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 21075? ▼
The mean commute time for workers in ZIP code 21075 is 28.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 21075? ▼
In ZIP code 21075, approximately 64.1% of occupied housing units are owner-occupied and 35.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21075? ▼
The poverty rate in ZIP code 21075 is 7.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.