Northfield vs Smithville

A side-by-side comparison of Northfield and Smithville: population, income, housing, and more.

Northfield and Smithville are places in New Jersey. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Smithville has the higher population (9,260 vs 8,427 in Northfield). Northfield has the higher median household income ($104,042 vs $72,875 in Smithville). Northfield has the higher median home value ($275,900 vs $270,600 in Smithville).

Population, income & housing

	Northfield	Smithville
Population	8,427	9,260
Median age	44.7 yrs	47.1 yrs
Median household income	$104,042	$72,875
Median home value	$275,900	$270,600
Median gross rent	$1,554	$1,477
Housing units	3,447	4,814
Homeownership rate	87.8%	76.3%
Bachelor's degree or higher	45.9%	37.8%
Unemployment rate	2.8%	4.8%

Trends (ACS 5-year, 2019–2023)

	Northfield	Smithville
Population	8,153 → 8,427 (+3.4%)	7,365 → 9,260 (+25.7%)
Median household income	$87,156 → $104,042 (+19.4%)	$61,010 → $72,875 (+19.4%)
Median home value	$223,100 → $275,900 (+23.7%)	$202,800 → $270,600 (+33.4%)
Median gross rent	$1,720 → $1,554 (-9.7%)	$1,198 → $1,477 (+23.3%)

Northfield

Population

8,1538,427

Median household income

$87,156$104,042

Median home value

$223,100$275,900

Median gross rent

$1,720$1,554

Smithville

Population

7,3659,260

Median household income

$61,010$72,875

Median home value

$202,800$270,600

Median gross rent

$1,198$1,477

Age & race/ethnicity

Age distribution (share)

	Northfield	Smithville
Under 5	4.0%	1.7%
5 to 17	14.0%	13.7%
18 to 24	8.7%	4.0%
25 to 34	12.1%	18.7%
35 to 44	11.9%	8.8%
45 to 54	13.9%	12.0%
55 to 64	15.8%	13.7%
65 to 74	10.2%	12.7%
75 and over	9.5%	14.7%

Race & ethnicity (share)

	Northfield	Smithville
White (non-Hispanic)	74.2%	63.0%
Black or African American	2.8%	14.2%
American Indian & Alaska Native	0.0%	0.1%
Asian	9.3%	2.9%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.2%	2.5%
Two or more races	2.3%	5.4%
Hispanic or Latino	11.2%	12.0%

Educational attainment (age 25+)

Share of adults 25+

	Northfield	Smithville
No high school diploma	6.9%	6.9%
High school graduate	22.5%	31.0%
Some college or associate's	24.7%	24.3%
Bachelor's degree	28.2%	22.1%
Graduate or professional degree	17.7%	15.7%

Commute to work

How workers get to work (share)

	Northfield	Smithville
Drove alone	81.2%	78.7%
Carpooled	3.8%	9.9%
Public transit	1.3%	1.1%
Walked	0.9%	0.3%
Bicycle	0.8%	0.2%
Worked from home	7.3%	9.4%
Other means	4.8%	0.5%

Housing

Units in structure (share)

	Northfield	Smithville
1-unit, detached	89.8%	50.5%
1-unit, attached	0.8%	19.0%
2 to 4 units	1.2%	10.1%
5 to 19 units	2.5%	18.1%
20 or more units	5.7%	1.5%
Mobile home & other	0.0%	0.9%

Poverty & households

	Northfield	Smithville
Poverty rate	4.4%	8.1%
Average household size	2.51	2.00
Mean commute (minutes)	22	25
Median year structure built	1966	1989