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ZIP Code · MD

ZIP 21231

Pop. 14,969·Baltimore City·39th most expensive ZIP in Maryland
Median rent (all units)
$2,327/mo
Year-over-Year
+5.4%
Month-over-Month
+4.6%
vs US Median
+$362
Rising (Monthly)
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Most AffordableMost Expensive
ZIP 21231 · $2,327
More expensive than 74% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$1,610
1 BR
$1,790
2 BR
$2,200
3 BR
$2,790
4 BR+
$3,090
Research median
$2,200/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: July 20, 2026

Annual cost
$27,924/yr
At $2,327/mo median
Location
StateMD
CountyBaltimore City
Rent Market Meter
Strong Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are up 5.4% year-over-year. Expect competition, and move quickly to lock in terms.
Based on rent-price momentum (+5.4% YoY, +4.6% MoM), not inventory.
Demographics

Who lives here

ZIP 21231 (Baltimore, MD) is majority renter-occupied, skews toward younger working-age adults, 64.3% of residents hold a bachelor's degree or higher.

Population
14,969
Median income
$85,254
Median age
32.7
Renters
65.8%
Age distribution
13.5%
41.9%
27.2%
Under 1813.5%
18–3441.9%
35–5427.2%
55–648.2%
65+9.2%
Gender
48.5%
51.5%
Male48.5%
Female51.5%
Race & ethnicity
57%
26.6%
White57%
Black26.6%
Hispanic7.3%
Asian5.9%
Other3.2%
Education (25+)
15%
15.1%
64.3%
No HS diploma5.6%
HS diploma15%
Some college15.1%
Bachelor's+64.3%
Housing tenure
34.2%
65.8%
Owner34.2%
Renter65.8%

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

2021 vs 2026

How ZIP 21231 in Baltimore, MD has changed in 5 years

Rent
$1,719 → $2,327
up 35.4%
Income
$73,089 → $85,254
up 16.6%
Population
15,746 → 14,969
down 4.9%
Renter share
67% → 65.8%
-1.2 pts
Bachelor's+
62.6% → 64.3%
+1.7 pts

The median rent in ZIP 21231 in Baltimore, MD stood at $1,719 in 2021 and currently runs about $2,327, reflecting a 35.4% increase over the period. Local incomes tracked alongside that move, going from a median of $73,089 in 2021 to $85,254 more recently. That spread, with rent up faster than earnings, points to a tougher affordability environment than five years ago. The population has contracted by 4.9% since 2021, moving from about 15,746 residents to roughly 14,969. These shifts give renters and would-be renters a longer baseline for sizing up today's listings against the ZIP 21231 in Baltimore, MD market of 2021.

Community

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Local insights

Tips for renters in ZIP 21231

About renting in ZIP 21231

Last updated: July 20, 2026

ZIP code 21231 covers Baltimore, MD. The median rent here is $2,327/mo as of July 2026. A 1-bedroom rents for a median of $1,790/mo. A 2-bedroom rents for a median of $2,200/mo.

At 33% of local median household income ($85,254/yr), ZIP 21231 ranks as moderate compared to the national benchmark of 30%. Rents have increased 5.4% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 21231?

As of July 20, 2026, the median monthly rent in ZIP 21231 (Baltimore, MD) is $2,327. This is based on aggregated data from public sources and community submissions.

How does ZIP 21231 rent compare to the US average?

ZIP 21231's median rent of $2,327/mo is $362 (18%) above the US national median of $1,965/mo.

How does ZIP 21231 compare to other ZIPs in Maryland?

ZIP 21231 is one of the pricier ZIP codes in Maryland, ranking #39 out of 140 ZIPs tracked at $2,327/mo.

How much income do you need to rent in ZIP 21231?

To keep rent at or below 30% of gross income, you would need to earn at least $93,000/year (~$45/hour full-time) to afford the median rent of $2,327/mo in ZIP 21231. The local median household income is $85,254/yr, meaning the typical household falls short of that threshold.

Is rent going up or down in ZIP 21231?

Rent in ZIP 21231 has increased 5.4% over the past year as of July 20, 2026, putting upward pressure on renter budgets.

Is ZIP 21231 an affordable place to rent?

ZIP 21231 is considered moderate for renters. At $2,327/mo, rent takes approximately 33% of the local median household income ($85,254/yr). The standard benchmark is 30%. ZIP 21231 slightly exceeds that threshold, so budgeting carefully matters here.

What percentage of ZIP 21231 residents rent vs. own?

According to Census data, approximately 65.8% of ZIP 21231 households are renters, while 34.2% are owner-occupied. With a majority renter population, ZIP 21231 has a strong rental market.

How does ZIP 21231 compare to the rest of Baltimore?

ZIP 21231 is pricier than Baltimore as a whole. At $2,327/mo, it's $528 above the Baltimore citywide median of $1,799/mo.

When was rent data for ZIP 21231 last updated?

Rent data for ZIP 21231 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
33%
MODERATE

At $2,327/mo, rent takes ~33% of ZIP 21231's median household income ($85,254/yr). The standard benchmark is 30%.

ZIP 21231 33%Benchmark 30%
State income tax2–5.75%
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Schools nearby

Public schools near ZIP 21231 (Baltimore, MD)

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