ZIP Code · MD

ZIP 21030

Part of Cockeysville, MD

Pop. 25,827·Baltimore County·83rd most expensive ZIP in Maryland

Median rent (all units)

$1,884/mo

Year-over-Year

+1.7%

Month-over-Month

+0.4%

vs US Median

-$48

Reported rents

Stable (Monthly)

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Most AffordableMost Expensive

ZIP 21030 · $1,884

More expensive than 54% of US ZIP codes · National median $1,932/mo

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Compare your rent to the local median.

Medians by bedroom

Rent by unit size

Studio

$1,440

1 BR

$1,590

2 BR

$1,960

3 BR

$2,490

4 BR+

$2,760

Research median

$1,960/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

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Last updated: October 17, 2026

From the history

What the numbers show

Compared with the peak

Rent in ZIP 21030 is at its highest level since Zillow's records here began in October 2023.

Past year vs. the rest of Maryland

Rent in ZIP 21030 changed +1.7% over the year to September 2026. Across the 124 Maryland ZIP codes Zillow tracks, the typical change was +2.6%.

Recent direction

Rent has risen 3 months in a row, and rose in 8 of the last 12 months.

What a typical income covers

30% of the median household income ($89,015) is $2,225 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($1,960); a 3-bedroom is $2,490.

Cheaper nearby

ZIP 21136, 6 miles away, rents for 22% less ($1,469/mo), about $5,000 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 21030. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$22,608/yr

At $1,884/mo median

Location

CityCockeysville

StateMD

CountyBaltimore County

Rent Market Meter

Landlord's Market

Renter's MarketBalancedLandlord's Market

Rents are climbing (1.7% YoY), so leverage tilts toward landlords. Act sooner rather than later.

Based on rent-price momentum (+1.7% YoY, +0.4% MoM), not inventory.

Demographics

Who lives here

ZIP 21030 (Cockeysville, MD) is majority renter-occupied, 51.8% of residents hold a bachelor's degree or higher.

Population

25,827

Median income

$89,015

Median age

36.8

Renters

56.3%

Age distribution

20.5%

26.8%

25.9%

17%

Under 1820.5%

18–3426.8%

35–5425.9%

55–649.8%

65+17%

Gender

52.1%

47.9%

Male52.1%

Female47.9%

Race & ethnicity

55.2%

17.2%

15.4%

White55.2%

Black17.2%

Hispanic15.4%

Asian9.1%

Other3.1%

Education (25+)

21.1%

19.2%

51.8%

No HS diploma8%

HS diploma21.1%

Some college19.2%

Bachelor's+51.8%

Housing tenure

43.7%

56.3%

Owner43.7%

Renter56.3%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How ZIP 21030 in Cockeysville, MD has changed in 5 years

Income

$85,831 → $89,015

up 3.7%

Population

25,900 → 25,827

down 0.3%

Renter share

54% → 56.3%

+2.3 pts

Bachelor's+

54.6% → 51.8%

-2.8 pts

On the earnings side, the typical household in ZIP 21030 in Cockeysville, MD now reports about $89,015, up from $85,831 in 2021. About 56.3% of households rent today, against 54% in 2021. Educational attainment has shifted as well, with the share of adults holding a bachelor's degree or higher slipped from 54.6% to 51.8%.

Community

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Local insights

Tips for renters in ZIP 21030

About renting in ZIP 21030

Last updated: October 17, 2026

ZIP code 21030 covers Cockeysville, MD. The median rent here is $1,884/mo as of October 2026. A 1-bedroom rents for a median of $1,590/mo. A 2-bedroom rents for a median of $1,960/mo.

At 25% of local median household income ($89,015/yr), ZIP 21030 ranks as affordable compared to the national benchmark of 30%. Rents have increased 1.7% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 21030?

To keep rent at or below 30% of gross income, you would need to earn at least $75,000/year (about $36/hour full-time) to afford the median rent of $1,884/mo in ZIP 21030. The local median household income is $89,015/yr, so the typical household meets that bar.

Is rent going up or down in ZIP 21030?

Rent in ZIP 21030 has risen 1.7% over the past year as of September 2026. That is the highest level since Zillow's records here began in October 2023.

How does ZIP 21030 compare to other ZIPs in Maryland?

ZIP 21030 is in the middle among Maryland ZIP codes for rent, ranking #83 of 140 at $1,884/mo. Over the year to September 2026, rent in ZIP 21030 changed +1.7%, against a typical +2.6% across the 124 Maryland ZIP codes Zillow tracks.