ZIP Code · MD

ZIP 21234

Part of Parkville, MD

Pop. 66,334·Baltimore County·116th most expensive ZIP in Maryland

Median rent (all units)

$1,621/mo

Year-over-Year

+3.3%

Month-over-Month

+0.8%

vs US Median

-$311

Reported rents

Rising (Monthly)

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Most AffordableMost Expensive

ZIP 21234 · $1,621

More affordable than 64% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$1,340

1 BR

$1,490

2 BR

$1,830

3 BR

$2,320

4 BR+

$2,570

Research median

$1,830/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

Cheapest month to sign

November. Asking rents in ZIP 21234 usually run 0.8% below trend in November and 0.7% above it in March, about $24 a month apart at today's median. Based on 6 years of data.

Compared with the peak

Rent in ZIP 21234 is at its highest level since Zillow's records here began in July 2020.

Past year vs. the rest of Maryland

Rent in ZIP 21234 changed +3.2% 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 2 months in a row, and rose in 10 of the last 12 months.

What a typical income covers

30% of the median household income ($83,517) is $2,088 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($1,830); a 3-bedroom is $2,320.

Cheaper nearby

ZIP 21214, 3 miles away, rents for 11% less ($1,450/mo), about $2,100 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 21234. The seasonal pattern compares Zillow’s seasonally adjusted and unadjusted series. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$19,452/yr

At $1,621/mo median

Location

CityParkville

StateMD

CountyBaltimore County

Rent Market Meter

Landlord's Market

Renter's MarketBalancedLandlord's Market

Rents are climbing (3.3% YoY), so leverage tilts toward landlords. Act sooner rather than later.

Based on rent-price momentum (+3.3% YoY, +0.8% MoM), not inventory.

Demographics

Who lives here

ZIP 21234 (Parkville, MD) is majority owner-occupied, 36.4% of residents hold a bachelor's degree or higher.

Population

66,334

Median income

$83,517

Median age

40.5

Renters

35.5%

Age distribution

20.9%

21%

27.2%

19.1%

Under 1820.9%

18–3421%

35–5427.2%

55–6411.9%

65+19.1%

Gender

48.6%

51.4%

Male48.6%

Female51.4%

Race & ethnicity

54.5%

31.9%

White54.5%

Black31.9%

Hispanic5%

Asian5.7%

Other3%

Education (25+)

25.8%

29.9%

36.4%

No HS diploma7.8%

HS diploma25.8%

Some college29.9%

Bachelor's+36.4%

Housing tenure

64.5%

35.5%

Owner64.5%

Renter35.5%

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

2021 vs 2026

How ZIP 21234 in Parkville, MD has changed in 5 years

Rent

$1,292 → $1,621

up 25.5%

Income

$73,377 → $83,517

up 13.8%

Population

66,011 → 66,334

up 0.5%

Renter share

36.5% → 35.5%

-1.0 pts

Bachelor's+

34.8% → 36.4%

+1.6 pts

Rent in ZIP 21234 in Parkville, MD has increased 25.5% since 2021, going from about $1,292 per month to roughly $1,621 today. Median household income grew from $73,377 to $83,517 between 2021 and 2024, a 13.8% shift. Rent outpaced income growth by roughly 11.7 percentage points, which means renters are spending a larger slice of each paycheck on housing than they did in 2021. Taken together, the five-year picture in ZIP 21234 in Parkville, MD reflects how housing costs and the people paying them have evolved through a stretch that included a pandemic, a hot rental market, and a recent cooling phase.

Community

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Local insights

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About renting in ZIP 21234

Last updated: October 17, 2026

ZIP code 21234 covers Parkville, MD. The median rent here is $1,621/mo as of October 2026. A 1-bedroom rents for a median of $1,490/mo. A 2-bedroom rents for a median of $1,830/mo.

At 23% of local median household income ($83,517/yr), ZIP 21234 ranks as affordable compared to the national benchmark of 30%. Rents have increased 3.3% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 21234?

To keep rent at or below 30% of gross income, you would need to earn at least $65,000/year (about $31/hour full-time) to afford the median rent of $1,621/mo in ZIP 21234. The local median household income is $83,517/yr, so the typical household meets that bar.

Is rent going up or down in ZIP 21234?

Rent in ZIP 21234 has risen 3.3% over the past year as of September 2026. That is the highest level since Zillow's records here began in July 2020.

When is the cheapest time to rent in ZIP 21234?

Asking rents in ZIP 21234 are usually lowest in November, about 0.8% below their yearly trend, and highest in March, about 0.7% above it. At today's median that is a gap of roughly $24 a month. This pattern comes from 6 years of Zillow rent data.

How does ZIP 21234 compare to other ZIPs in Maryland?

ZIP 21234 is one of the more affordable among Maryland ZIP codes for rent, ranking #116 of 140 at $1,621/mo. Over the year to September 2026, rent in ZIP 21234 changed +3.2%, against a typical +2.6% across the 124 Maryland ZIP codes Zillow tracks.