PlainZIP

Holland, MA · standard

ZIP Code 01521

Hampden County, Massachusetts - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

2,481
78/sq mi
$91,979
Median income
$333,600
Median home value
35.3%
Bachelor's or higher

The verdict

Holland pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.

Top 25%
household income, US ZIPs
Top 29%
home value, US ZIPs
78
people per sq mi
95%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 01521 against every reporting US ZIP.

ZIP code 01521 covers 31.8 square miles in Holland, Hampden County, Massachusetts (a standard USPS delivery area), with a modest 2,481 residents on file, a density of 78 people per square mile, in the New York time zone.

ZIP 01521 lands in the middle-income range, with a median household income of $91,979 (20% below the Massachusetts average), while per-capita income is $49,966. 5.9% of residents live below the poverty line, and the unemployment rate reads 3.9%. Median home value sits at $333,600 (44% below the state average), median rent at $1,750 a month, and owner-occupancy at 95.0%.

A solid share of residents have a four-year degree: 35.3% of adults hold a bachelor's degree or higher, the median age is 51.9, and the average commute is 36 minutes. To put 01521 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Hampden County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 01521

Top 5 sectors by establishment count in Holland, MA

Which industries have the most business establishments in ZIP 01521.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 01521, Holland, MA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

2,481

Population

31.8

Area (sq mi)

78

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 01521?

51.9

Median Age

50.9%

Male

49.1%

Female

4.6%

Foreign-Born

White 86.8%
African American 1.7%
Asian 5.0%
American Indian or Alaska Native 0.9%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.7%
Hispanic or Latino 4.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$91,979

Median Household Income

-20% vs state

$49,966

Per Capita Income

5.9%

Poverty Rate

3.9%

Unemployment Rate

36.2 min

Mean Commute Time

How ZIP 01521 ranks nationally

Holland, MA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$91,979 Top 25% higher than 75% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 67.3%
Bachelor's Degree or Higher 35.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,536

Total Housing Units

1,187

Occupied Units

349

Vacant Units

2.18

Avg Household Size

Occupancy Type

Owner 95.0%
Renter 5.0%

$333,600

Median Home Value

-44% vs state

$1,750

Median Rent

1972

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+10.1%

YoY Change (2024)

302

HPI Index (2000 = 100)

+202%

Total Change Since 2000

Home values in ZIP 01521 have increased 10.1% over the past year (2024). Since 2000, this ZIP has seen +202% cumulative appreciation.

Year Annual Change HPI Index
2020 +7.3% 192
2021 +8.1% 208
2022 +16.3% 242
2023 +13.4% 274
2024 +10.1% 302

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 31 business establishments in ZIP 01521, employing approximately 118 people with a combined annual payroll of $5,007,000.

31

Businesses

118

Employees

$5.0M

Annual Payroll

5

Industry Sectors

Industry Establishments % of Total
Construction 8 25.8%
Retail trade 4 12.9%
Administrative and support and waste management and remediation services 4 12.9%
Real estate and rental and leasing 3 9.7%
Professional, scientific, and technical services 3 9.7%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 01521 vs 01081 →

ZIP 01521 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 01521 ranks #8 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 01521 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 01521 ranks #5 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
01081 Wales, MA 1,698 3.3 mi
01010 Brimfield, MA 3,609 5.2 mi
01518 Fiskdale, MA 2,974 5.0 mi
01566 Sturbridge, MA 6,294 5.2 mi
01550 Southbridge, MA 16,719 6.8 mi
06076 Stafford Springs, CT 12,659 6.9 mi
01083 Warren, MA 2,888 10.0 mi
01506 Brookfield, MA 3,390 9.7 mi
06282 Woodstock Valley, CT 1,096 9.3 mi
01092 West Warren, MA 1,394 10.3 mi

More ZIP Codes in Hampden County

01085 standard
Westfield, MA
Pop: 41,117
01040 standard
Holyoke, MA
Pop: 39,880
01109 standard
Springfield, MA
Pop: 30,250
01020 standard
Chicopee, MA
Pop: 29,668
01089 standard
West Springfield, MA
Pop: 28,391
01108 standard
Springfield, MA
Pop: 26,688

Related Areas

Hampden County Holland, MA Massachusetts

Frequently Asked Questions

What county is ZIP code 01521 in? ▼
ZIP code 01521 (Holland) is located in Hampden County, Massachusetts. Hampden County contains multiple ZIP codes, see the full list at /counties/hampden-ma.
What is the population of ZIP code 01521? ▼
ZIP code 01521 in Holland, MA has a population of 2,481 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 01521? ▼
The median household income in ZIP 01521 is $91,979, which is 21% above the national average of $76,288.
What is the average home value in ZIP 01521? ▼
The median home value in ZIP 01521 is $333,600, which is 20% above the national average of $278,155.
What is the demographic makeup of ZIP 01521? ▼
The largest racial group in ZIP 01521 is White at 86.8%. Hispanic or Latino residents make up 4.7% of the population.
How many businesses are in ZIP code 01521? ▼
ZIP code 01521 has 31 business establishments employing approximately 118 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 01521? ▼
The top industries by establishment count in ZIP 01521 are: Construction (8), Retail trade (4), Administrative and support and waste management and remediation services (4). There are 5 industry sectors represented in total.
How have home values changed in ZIP code 01521? ▼
According to the FHFA House Price Index, home values in ZIP 01521 increased by 10.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 202%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 01521? ▼
In ZIP code 01521, 67.3% of residents aged 25+ have a high school diploma or higher, and 35.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 01521? ▼
The mean commute time for workers in ZIP code 01521 is 36.2 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 01521? ▼
In ZIP code 01521, approximately 95.0% of occupied housing units are owner-occupied and 5.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 01521? ▼
The poverty rate in ZIP code 01521 is 5.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.