Norfolk County, Massachusetts Demographics 2026

Name: Norfolk County, Massachusetts Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Norfolk County, Massachusetts has a population of 730,082, the 5th most populous county in Massachusetts. The median household income is $130,739 and the median home value is $683,900. The poverty rate is 6.7%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Norfolk County Quick Facts

Population 730,082

Median Household Income $130,739

Median Home Value $683,900

Poverty Rate 6.7%

Unemployment Rate 4.9%

Median Age 40.9 years

Homeownership Rate 68.8%

Affordability Ratio 5.2x

Bachelor's Degree+ 58.8%

High School Graduation 94.5%

Cities/Places 19

Population 730,082 5th of 14

Median Income $130,739 26% higher than state

Poverty Rate 6.7%

Unemployment 4.9%

How Norfolk County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	724,540	730,082	+0.8%
Median household income	$126,497	$130,739	+3.4%
Median home value	$649,400	$683,900	+5.3%

Median Household Income

Norfolk

$130,739

$103,960

National

$80,734

Median Home Value

Norfolk

$683,900

$562,100

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 9.8%

$25K-$50K 9.8%

$50K-$100K 19.2%

$100K+ 61.2%

Detailed income brackets

Under $10K

3.8%

$10K-$15K

2.3%

$15K-$20K

1.7%

$20K-$25K

2.0%

$25K-$30K

2.0%

$30K-$35K

1.8%

$35K-$40K

1.7%

$40K-$45K

2.1%

$45K-$50K

2.2%

$50K-$60K

3.7%

$60K-$75K

5.9%

$75K-$100K

9.6%

$100K-$125K

9.2%

$125K-$150K

7.8%

$150K-$200K

12.5%

$200K+

31.6%

Employment

4.9% Unemployment Rate State: 5.1%|National: 5.2%

69.2% Labor Force Participation

Housing Overview

Owner 68.8%

Renter 31.3%

Affordability Index Expensive

5.2x home value to income ratio

Median gross rent $2,149/mo 19.7% of median household income annually

People & Demographics

Age Distribution

Under 18

20.4%

18-34

21.5%

35-54

26.5%

55-74

24.0%

75+

7.6%

Race & Ethnicity

Diversity Index

Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 53 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Norfolk County

City	Population	Median Income	Poverty	Home Value
Quincy	102,114	$98,882	10.6%	$618,500
Brookline	63,266	$142,101	8.7%	$1,246,800
Weymouth Town	58,505	$102,714	7.7%	$552,100
Braintree Town	38,899	$122,214	5.9%	$656,800
Randolph Town	34,878	$109,573	8.4%	$496,400
Franklin Town	33,154	$145,773	5.9%	$611,700
Needham	32,459	$214,308	3.7%	$1,188,500
Norwood	31,542	$107,030	8.8%	$651,700
Wellesley	30,347	$250,000+	4.0%	$1,582,700
Milton	28,587	$188,529	4.7%	$933,200
Dedham	25,237	$128,955	5.6%	$661,800
Holbrook	11,380	$115,210	7.7%	$465,400
Medfield	6,849	$218,946	3.0%	$815,300
Walpole	6,461	$154,263	6.1%	$626,600
Foxborough	6,251	$86,871	13.0%	$538,500
Sharon	6,232	$183,808	2.6%	$677,900
Bellingham	5,325	$96,763	1.8%	$431,200
Millis-Clicquot	4,437	$146,853	6.7%	$545,600
Dover	2,308	$250,000+	3.3%	$1,308,300

Explore Massachusetts Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Norfolk County is located in Massachusetts with a total population of 730,082. It is the 5th most populous county out of 14 in Massachusetts. The county encompasses 19 Census-designated places.

Age Demographics

The median age in Norfolk County is 40.9 years. This is 2% higher than the state median of 40.0 years.

Economy, Income & Housing

The median household income in Norfolk County is $130,739. This is 26% higher than the state median of $103,960. It is also 62% higher than the national median of $80,734. The poverty rate stands at 6.7%. This is 33% lower than the state poverty rate of 10.0%. The unemployment rate is 4.9%. This is 4% lower than the state rate of 5.1%. The median home value is $683,900. Housing costs are 22% higher than the state median of $562,100. The home-value-to-income ratio is 5.2x. 68.8% of occupied housing units are owner-occupied. This homeownership rate is 10% higher than the state average of 62.5%.

Race & Ethnicity

The largest racial or ethnic group in Norfolk County is White (non-Hispanic), making up 68.7% of the population. Asian residents account for 12.4%. The Hispanic or Latino population (5.8%) is well below the state average of 13.3%. The Asian population is significantly higher than the state average (12.4% vs 7.2%).

Education

58.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 24% higher than the state rate of 47.3%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.5%. Notably, 28.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for Norfolk County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Massachusetts and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Norfolk County, Massachusetts?

Norfolk County has a population of 730,082, making it the 5th most populous county in Massachusetts.

What is the median income in Norfolk County?

The median household income in Norfolk County is $130,739 with a poverty rate of 6.7%.

How many cities are in Norfolk County, Massachusetts?

Norfolk County contains 19 Census-designated places.