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ZIP Code · MA

ZIP 01863

Pop. 9,796·Middlesex County·100th most expensive ZIP in Massachusetts
Median rent (all units)
$2,646/mo
Year-over-Year
Stable
Month-over-Month
+7.1%
vs US Median
+$681
Rising (Monthly)
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Most AffordableMost Expensive
ZIP 01863 · $2,646
More expensive than 83% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$1,540
1 BR
$1,700
2 BR
$2,230
3 BR
$2,670
4 BR+
$2,950
Research median
$2,230/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
$31,752/yr
At $2,646/mo median
Location
StateMA
CountyMiddlesex County
Rent Market Meter
Strong Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are up 0.0% year-over-year. Expect competition, and move quickly to lock in terms.
Based on rent-price momentum (+0.0% YoY, +7.1% MoM), not inventory.
Demographics

Who lives here

ZIP 01863 (Chelmsford, MA) is majority owner-occupied, has a median income above the national average, 45.1% of residents hold a bachelor's degree or higher.

Population
9,796
Median income
$144,875
Median age
41.2
Renters
18.2%
Age distribution
22.1%
19.8%
26.2%
15.1%
16.9%
Under 1822.1%
18–3419.8%
35–5426.2%
55–6415.1%
65+16.9%
Gender
50.2%
49.8%
Male50.2%
Female49.8%
Race & ethnicity
77.7%
White77.7%
Black2%
Hispanic6.9%
Asian10.7%
Other2.7%
Education (25+)
18.9%
28.7%
45.1%
No HS diploma7.3%
HS diploma18.9%
Some college28.7%
Bachelor's+45.1%
Housing tenure
81.8%
18.2%
Owner81.8%
Renter18.2%

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

2021 vs 2026

How ZIP 01863 in Chelmsford, MA has changed in 5 years

Income
$108,427 → $144,875
up 33.6%
Population
9,697 → 9,796
up 1.0%
Renter share
18% → 18.2%
+0.2 pts
Bachelor's+
42.5% → 45.1%
+2.6 pts

Census figures show median household income at $144,875 today, compared with $108,427 five years earlier. Census counts show ZIP 01863 in Chelmsford, MA adding about 99 residents over the five-year window, up 1.0% on net. Bachelor's-degree-or-higher attainment moved from 42.5% to 45.1% across the same window.

Community

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Local insights

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About renting in ZIP 01863

Last updated: July 20, 2026

ZIP code 01863 covers Chelmsford, MA. The median rent here is $2,646/mo as of July 2026. A 1-bedroom rents for a median of $1,700/mo. A 2-bedroom rents for a median of $2,230/mo.

At 22% of local median household income ($144,875/yr), ZIP 01863 ranks as affordable compared to the national benchmark of 30%. Rent prices have stayed steady over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 01863?

As of July 20, 2026, the median monthly rent in ZIP 01863 (Chelmsford, MA) is $2,646. This is based on aggregated data from public sources and community submissions.

How does ZIP 01863 rent compare to the US average?

ZIP 01863's median rent of $2,646/mo is $681 (35%) above the US national median of $1,965/mo.

How does ZIP 01863 compare to other ZIPs in Massachusetts?

ZIP 01863 falls in the middle range for Massachusetts, ranking #100 out of 168 ZIPs at $2,646/mo.

How much income do you need to rent in ZIP 01863?

To keep rent at or below 30% of gross income, you would need to earn at least $106,000/year (~$51/hour full-time) to afford the median rent of $2,646/mo in ZIP 01863. The local median household income is $144,875/yr, meaning the typical household meets that threshold.

Is rent going up or down in ZIP 01863?

Rent in ZIP 01863 has been relatively stable over the past year, with a 0.0% change year over year as of July 20, 2026.

Is ZIP 01863 an affordable place to rent?

ZIP 01863 is considered very affordable for renters. At $2,646/mo, rent takes approximately 22% of the local median household income ($144,875/yr). The standard benchmark is 30%. ZIP 01863 falls comfortably within that range.

What percentage of ZIP 01863 residents rent vs. own?

According to Census data, approximately 18.2% of ZIP 01863 households are renters, while 81.8% are owner-occupied. ZIP 01863 leans toward homeownership, which can mean a smaller rental inventory.

How does ZIP 01863 compare to the rest of Chelmsford?

ZIP 01863 is more affordable than Chelmsford overall. At $2,646/mo, it's $34 below the Chelmsford citywide median of $2,680/mo.

When was rent data for ZIP 01863 last updated?

Rent data for ZIP 01863 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
22%
VERY AFFORDABLE

At $2,646/mo, rent takes ~22% of ZIP 01863's median household income ($144,875/yr). The standard benchmark is 30%.

ZIP 01863 22%Benchmark 30%
State income tax5%
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Schools nearby

Public schools near ZIP 01863 (Chelmsford, MA)

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