PlainZIP

Baldwin, MD · standard

ZIP Code 21013

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

4,653
119/sq mi
$171,354
Median income
$572,100
Median home value
56.0%
Bachelor's or higher

The verdict

Baldwin pairs a top-decile household income with top-decile home values, in a rural, homeowner-dominated area.

Top 2%
household income, US ZIPs
Top 10%
home value, US ZIPs
119
people per sq mi
94%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21013 against every reporting US ZIP.

ZIP code 21013 covers 39.1 square miles in Baldwin, Baltimore County, Maryland (a standard USPS delivery area), with a modest 4,653 residents on file, a density of 119 people per square mile, in the New York time zone.

ZIP 21013 skews affluent, with a median household income of $171,354 (50% above the Maryland average), while per-capita income is $68,260. The poverty rate stands at 3.4% and the unemployment rate at 0.6%. The typical home here is valued at $572,100 (28% above the state average); renters pay a median of $1,183 monthly, and 93.8% of units are owner-occupied.

This is a highly-educated ZIP: 56.0% of adults hold a bachelor's degree or higher, the median age is 40.7, and the average commute is 35 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 21013, plus 6 more within Baltimore County, give a clearer read than the 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 21013

Top 5 sectors by establishment count in Baldwin, MD

Which industries have the most business establishments in ZIP 21013.

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 21013, Baldwin, 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

4,653

Population

39.1

Area (sq mi)

119

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 21013?

40.7

Median Age

51.0%

Male

49.0%

Female

6.3%

Foreign-Born

White 89.9%
African American 2.1%
Asian 0.9%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.7%
Hispanic or Latino 4.3%

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?

$171,354

Median Household Income

+50% vs state

$68,260

Per Capita Income

3.4%

Poverty Rate

0.6%

Unemployment Rate

35.1 min

Mean Commute Time

How ZIP 21013 ranks nationally

Baldwin, MD household income vs. every US ZIP code

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

$171,354 Top 2% higher than 98% 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%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). Below this entry. $160,000–$180,000: 364 US ZIPs (1%). This entry sits in this band. $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 73.3%
Bachelor's Degree or Higher 56.0%

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

What does housing look like?

1,894

Total Housing Units

1,843

Occupied Units

51

Vacant Units

3.04

Avg Household Size

Occupancy Type

Owner 93.8%
Renter 6.2%

$572,100

Median Home Value

+28% vs state

$1,183

Median Rent

1979

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

-3.7%

YoY Change (2024)

229

HPI Index (2000 = 100)

+129%

Total Change Since 2000

Home values in ZIP 21013 have decreased 3.7% over the past year (2024). Since 2000, this ZIP has seen +129% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.4% 175
2021 +6.7% 187
2022 +17.5% 219
2023 +8.3% 238
2024 -3.7% 229

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 78 business establishments in ZIP 21013, employing approximately 332 people with a combined annual payroll of $19,452,000.

78

Businesses

332

Employees

$19.5M

Annual Payroll

9

Industry Sectors

Industry Establishments % of Total
Construction 24 30.8%
Professional, scientific, and technical services 10 12.8%
Administrative and support and waste management and remediation services 8 10.3%
Other services (except public administration) 7 9.0%
Finance and insurance 5 6.4%
Real estate and rental and leasing 5 6.4%
Retail trade 4 5.1%
Health care and social assistance 4 5.1%
Wholesale trade 3 3.9%

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 21013 vs 21082 →

ZIP 21013 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 21013 ranks #7 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 21013 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 21013 ranks #3 of 9 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
21082 Hydes, MD 654 2.1 mi
21047 Fallston, MD 11,873 2.8 mi
21051 Fork, MD 279 3.1 mi
21057 Glen Arm, MD 4,112 4.2 mi
21131 Phoenix, MD 7,253 4.7 mi
21236 Nottingham, MD 38,474 8.3 mi
21084 Jarrettsville, MD 7,652 7.5 mi
21087 Kingsville, MD 5,451 5.7 mi
21128 Perry Hall, MD 12,802 7.3 mi
21156 Upper Falls, MD 358 6.9 mi

More ZIP Codes in Baltimore County

21234 standard
Parkville, MD
Pop: 69,752
21222 standard
Dundalk, MD
Pop: 55,786
21117 standard
Owings Mills, MD
Pop: 53,778
21207 standard
Gwynn Oak, MD
Pop: 48,133
21228 standard
Catonsville, MD
Pop: 47,577
21221 standard
Essex, MD
Pop: 42,154

Related Areas

Baltimore County Baldwin, MD Maryland

Frequently Asked Questions

What county is ZIP code 21013 in? ▼
ZIP code 21013 (Baldwin) is located in Baltimore County, Maryland. Baltimore County contains multiple ZIP codes, see the full list at /counties/baltimore-md-24005.
What is the population of ZIP code 21013? ▼
ZIP code 21013 in Baldwin, MD has a population of 4,653 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21013? ▼
The median household income in ZIP 21013 is $171,354, which is 125% above the national average of $76,288.
What is the average home value in ZIP 21013? ▼
The median home value in ZIP 21013 is $572,100, which is 106% above the national average of $278,155.
What is the demographic makeup of ZIP 21013? ▼
The largest racial group in ZIP 21013 is White at 89.9%. Hispanic or Latino residents make up 4.3% of the population.
How many businesses are in ZIP code 21013? ▼
ZIP code 21013 has 78 business establishments employing approximately 332 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21013? ▼
The top industries by establishment count in ZIP 21013 are: Construction (24), Professional, scientific, and technical services (10), Administrative and support and waste management and remediation services (8). There are 9 industry sectors represented in total.
How have home values changed in ZIP code 21013? ▼
According to the FHFA House Price Index, home values in ZIP 21013 decreased by 3.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 129%. 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 21013? ▼
In ZIP code 21013, 73.3% of residents aged 25+ have a high school diploma or higher, and 56.0% 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 21013? ▼
The mean commute time for workers in ZIP code 21013 is 35.1 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 21013? ▼
In ZIP code 21013, approximately 93.8% of occupied housing units are owner-occupied and 6.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21013? ▼
The poverty rate in ZIP code 21013 is 3.4% 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.