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ZIP Code · MD

ZIP 21012

Part of Arnold, MD
Pop. 22,570·Anne Arundel County·14th most expensive ZIP in Maryland
Median rent (all units)
$2,677/mo
Year-over-Year
+6.9%
Month-over-Month
+5.2%
vs US Median
+$712
Rising (Monthly)
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Most AffordableMost Expensive
ZIP 21012 · $2,677
More expensive than 84% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$1,830
1 BR
$2,030
2 BR
$2,490
3 BR
$3,160
4 BR+
$3,500
Research median
$2,490/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
$32,124/yr
At $2,677/mo median
Location
CityArnold
StateMD
CountyAnne Arundel County
Rent Market Meter
Strong Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are up 6.9% year-over-year. Expect competition, and move quickly to lock in terms.
Based on rent-price momentum (+6.9% YoY, +5.2% MoM), not inventory.
Demographics

Who lives here

ZIP 21012 (Arnold, MD) is majority owner-occupied, has a large share of families with children, has a median income above the national average, 57.5% of residents hold a bachelor's degree or higher.

Population
22,570
Median income
$139,432
Median age
38
Renters
13.7%
Age distribution
25.3%
17.3%
27.9%
14%
15.4%
Under 1825.3%
18–3417.3%
35–5427.9%
55–6414%
65+15.4%
Gender
49.6%
50.4%
Male49.6%
Female50.4%
Race & ethnicity
81.9%
White81.9%
Black3.9%
Hispanic10%
Asian2.9%
Other1.2%
Education (25+)
13%
27.5%
57.5%
No HS diploma2%
HS diploma13%
Some college27.5%
Bachelor's+57.5%
Housing tenure
86.3%
13.7%
Owner86.3%
Renter13.7%

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

2021 vs 2026

How ZIP 21012 in Arnold, MD has changed in 5 years

Income
$133,481 → $139,432
up 4.5%
Population
23,536 → 22,570
down 4.1%
Renter share
14.9% → 13.7%
-1.2 pts
Bachelor's+
56.1% → 57.5%
+1.4 pts

Census figures show median household income at $139,432 today, compared with $133,481 five years earlier. Headcount in the area went from 23,536 to 22,570 between 2021 and 2024, a 4.1% change.

Community

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Local insights

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About renting in ZIP 21012

Last updated: July 20, 2026

ZIP code 21012 covers Arnold, MD. The median rent here is $2,677/mo as of July 2026. A 1-bedroom rents for a median of $2,030/mo. A 2-bedroom rents for a median of $2,490/mo.

At 23% of local median household income ($139,432/yr), ZIP 21012 ranks as affordable compared to the national benchmark of 30%. Rents have increased 6.9% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 21012?

As of July 20, 2026, the median monthly rent in ZIP 21012 (Arnold, MD) is $2,677. This is based on aggregated data from public sources and community submissions.

How does ZIP 21012 rent compare to the US average?

ZIP 21012's median rent of $2,677/mo is $712 (36%) above the US national median of $1,965/mo.

How does ZIP 21012 compare to other ZIPs in Maryland?

ZIP 21012 is one of the pricier ZIP codes in Maryland, ranking #14 out of 140 ZIPs tracked at $2,677/mo.

How much income do you need to rent in ZIP 21012?

To keep rent at or below 30% of gross income, you would need to earn at least $107,000/year (~$51/hour full-time) to afford the median rent of $2,677/mo in ZIP 21012. The local median household income is $139,432/yr, meaning the typical household meets that threshold.

Is rent going up or down in ZIP 21012?

Rent in ZIP 21012 has increased 6.9% over the past year as of July 20, 2026, putting upward pressure on renter budgets.

Is ZIP 21012 an affordable place to rent?

ZIP 21012 is considered very affordable for renters. At $2,677/mo, rent takes approximately 23% of the local median household income ($139,432/yr). The standard benchmark is 30%. ZIP 21012 falls comfortably within that range.

What percentage of ZIP 21012 residents rent vs. own?

According to Census data, approximately 13.7% of ZIP 21012 households are renters, while 86.3% are owner-occupied. ZIP 21012 leans toward homeownership, which can mean a smaller rental inventory.

How does ZIP 21012 compare to the rest of Arnold?

ZIP 21012 sits right at the Arnold citywide median of $2,677/mo.

When was rent data for ZIP 21012 last updated?

Rent data for ZIP 21012 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
23%
VERY AFFORDABLE

At $2,677/mo, rent takes ~23% of ZIP 21012's median household income ($139,432/yr). The standard benchmark is 30%.

ZIP 21012 23%Benchmark 30%
State income tax2–5.75%
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Schools nearby

Public schools near ZIP 21012 (Arnold, MD)

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