Postal Codes

01523 ZIP Code

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ZIP code 01523 covers Lancaster, Massachusetts, with a population of about 8,470 and a median household income of $130,444.

Population
8,470309 per square mile
Median age
42.74 points above the US average
Median household income
$130,4441.3× the Massachusetts median
Poverty rate
3%9.4 points below the US average
Typical home value
$586,353up 26.3% in five years
Median rent
$1,9851.2× the Massachusetts median
Degree or higher
51.5%16.5 points above the US average
Homeownership
82.9%17.9 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
144

Where 01523 is

Lancaster, Massachusetts — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population8,470
Median age42.7
Family households68.7%
Born outside the US6.7%
Speaks a language other than English at home12.1%
White (non-Hispanic)82%
Black (non-Hispanic)4.7%
Asian (non-Hispanic)0.2%
Hispanic or Latino9.8%
Veterans4.2%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$130,444
Income per person$49,297
Poverty rate3%
Households on SNAP or cash assistance12.8%

Household income distribution

Under $10k4.9%
$10–15k0.0%
$15–20k0.9%
$20–25k1.3%
$25–30k1.6%
$30–35k0.0%
$35–40k1.7%
$40–45k1.4%
$45–50k1.5%
$50–60k5.7%
$60–75k9.8%
$75–100k9.5%
$100–125k9.1%
$125–150k8.2%
$150–200k23.6%
$200k or more20.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed3,260
Mean adjusted gross income$118,199
Returns declaring $200,000 or more15.3%
Returns, under $25k21.5%
Returns, $25k–$50k15.6%
Returns, $50k–$75k12.3%
Returns, $75k–$100k11.0%
Returns, $100k–$200k24.2%
Returns, $200k or more15.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$467,400
Median gross rent$1,985
Rent as a share of household income38%
Owner-occupied82.9%
Vacant homes0.9%
Median year built1967

What the homes are

Detached house82.9%
Attached house7.2%
2 to 4 units4.9%
5 to 19 units3.7%
20 or more units1.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$586,353as of 2026-07
Typical home value, 1 yearup 1.8%
Typical home value, 5 yearsup 26.3%
Typical home value, 10 yearsup 85.7%
Typical home value since 2000
200020132026$586,353$225,760

$225,760 in 2000 to $586,353 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate9.4%
Bachelor's degree or higher51.5%
High school diploma or higher94.6%
Works from home31.8%
Drives to work alone58.6%
Takes public transport0.6%
Commutes 45 minutes or more27.4%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity30.8% 2.6 pts below the national average of 33.4%
Diagnosed diabetes8.6% 3.4 pts below the national average of 12%
Currently smokes10% 3.2 pts below the national average of 13.2%
High blood pressure30.8% 3.3 pts below the national average of 34.1%
Fair or poor general health13.7% 6.6 pts below the national average of 20.3%
No health insurance (18–64)4.6% 6.7 pts below the national average of 11.3%
Depression23.4% 1.5 pts above the national average of 21.9%
No leisure-time physical activity19% 6.4 pts below the national average of 25.4%
Arthritis24.5% 0.6 pts below the national average of 25.1%
Binge drinking20.2% 4.2 pts above the national average of 16%
Taking blood pressure medication73.3% 1.4 pts below the national average of 74.7%
Cancer (non-skin)8.5% 0.8 pts above the national average of 7.7%
Current asthma11.3% 0.9 pts above the national average of 10.4%
Coronary heart disease5% 1.2 pts below the national average of 6.2%
Routine check-up in past year80.8% 4.1 pts above the national average of 76.7%
Cholesterol screening90.6% 4.7 pts above the national average of 85.9%
Cognitive disability12% 2.8 pts below the national average of 14.8%
Colorectal screening73.2% 8.9 pts above the national average of 64.3%
COPD4.8% 1.8 pts below the national average of 6.6%
Visited a dentist73.9% 12.6 pts above the national average of 61.3%
Any disability23.9% 6.8 pts below the national average of 30.7%
Lacks emotional support23.5% 1.3 pts below the national average of 24.8%
Food insecurity9.2% 7.9 pts below the national average of 17.1%
Received food stamps9.5% 4.8 pts below the national average of 14.3%
Hearing disability5.2% 1.5 pts below the national average of 6.7%
High cholesterol34% 2.2 pts below the national average of 36.2%
Housing insecurity8.9% 4.9 pts below the national average of 13.8%
Independent living disability5.7% 2.7 pts below the national average of 8.4%
Lacks transport5.9% 3.3 pts below the national average of 9.2%
Loneliness32.8% 1.6 pts below the national average of 34.4%
Mammography use85% 9.1 pts above the national average of 75.9%
Poor mental health (14+ days)15.2% 1.6 pts below the national average of 16.8%
Mobility disability9.4% 4.6 pts below the national average of 14%
Poor physical health (14+ days)11.4% 2.1 pts below the national average of 13.5%
Self-care disability2.5% 1.5 pts below the national average of 4%
Utility shut-off threat5.8% 3 pts below the national average of 8.8%
Sleeps under 7 hours33.2% 3.2 pts below the national average of 36.4%
Stroke2.5% 0.9 pts below the national average of 3.4%
All natural teeth lost9% 4 pts below the national average of 13%
Vision disability3.1% 2.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments144
People employed2,197
Annual payroll$127,408,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 52.9% of US census tracts
FEMA ratingVery Low to Relatively Low across the 2 census tracts this ZIP code covers
Expected annual loss61.5 out of 100
Community resilience78.3 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought96.5Relatively Moderate at its worst in this ZIP code
Landslide91.4Relatively Low at its worst in this ZIP code
Ice storm88.7Relatively Moderate at its worst in this ZIP code
Hurricane87.7Relatively Moderate at its worst in this ZIP code
Wildfire79.1Relatively Low at its worst in this ZIP code
Cold wave67.6Relatively Moderate at its worst in this ZIP code
Strong wind64.8Relatively Moderate at its worst in this ZIP code
Earthquake61.5Relatively Low at its worst in this ZIP code
Lightning58.3Relatively Moderate at its worst in this ZIP code
River flooding56.1Relatively Moderate at its worst in this ZIP code
Hail51.4Relatively Low at its worst in this ZIP code
Tornado38Relatively Low at its worst in this ZIP code
Heat wave36.3Relatively Low at its worst in this ZIP code
Winter weather32.4Relatively Low at its worst in this ZIP code
Compared with Massachusetts and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMassachusettsUnited States
Median household income$130,444$101,341$78,538
Income per person$49,297$56,284$43,289
Poverty rate3%10%12.4%
Median home value$467,400$525,800$303,400
Median gross rent$1,985$1,687$1,348
Homeownership82.9%62.6%65%
Bachelor's degree or higher51.5%46.6%35%
Unemployment rate9.4%5.1%5.2%
Works from home31.8%16.7%13.5%
Born outside the US6.7%17.7%13.9%
Median age42.74038.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationFITCHBURG MUNI AP, MA US12.6 km away
Rain in a year43 in

Average high and low by month

January34.2°F / 15.6°F2.65 in rain
February37.3°F / 17°F2.82 in rain
March45.4°F / 25.2°F3.82 in rain
April58.4°F / 35.4°F3.78 in rain
May69.5°F / 46.1°F3.6 in rain
June78°F / 55.9°F4.11 in rain
July83.4°F / 61.5°F3.52 in rain
August81.7°F / 59.6°F3.36 in rain
September74.2°F / 51.4°F3.98 in rain
October61.8°F / 39.5°F4.48 in rain
November50.1°F / 30.2°F3.58 in rain
December39.7°F / 21.9°F3.67 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Nashoba School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability27more vulnerable than 27% of US census tracts
Socioeconomic status27more vulnerable than 27% of US census tracts
Household characteristics18more vulnerable than 18% of US census tracts
Racial and ethnic minority status26more vulnerable than 26% of US census tracts
Housing type and transport51more vulnerable than 51% of US census tracts
Walkability6.7 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

01561 South Lancaster, MA0.8 km away
01510 Clinton, MA3.7 km away
01740 Bolton, MA6.7 km away
01467 Still River, MA7.3 km away
01564 Sterling, MA7.5 km away
01503 Berlin, MA8.5 km away
01453 Leominster, MA10.2 km away
01451 Harvard, MA10.6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Worcester County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area27.43 sq mi
Water area0.53 sq mi
Population density309 people per sq mi
Latitude, longitude42.4510, -71.6868

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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