New Jersey · Census place 3469810

Spotswood, New Jersey

Spotswood is a borough in Middlesex County, New Jersey with an estimated 8,306 residents on July 1, 2024. It is the 143rd largest of 294 incorporated places of 1,000+ people in the state.

Population 2024
8,306
#143 of 294 in New Jersey
Change since 2020
+2.3%
+183 people
Land area
2.3 sq mi
+ 0.11 sq mi water
Density
3,596 / sq mi
State median 4,474
Orange pin: Spotswood. Shaded: its county. Dark pin: Trenton.

Spotswood population, 2020 to 2024

Spotswood added 183 residents from July 2020 to July 2024, a change of +2.3%. In the latest year it moved by +111. Among 194 New Jersey places of 5,000 or more, that growth ranks 69th; the median place changed by +1.8%. The median place of 5,000+ in New Jersey has 11,231 people, so Spotswood is 74% of it.

8,12320208,09720218,11820228,19520238,3062024
July 1 estimates. The April 2020 estimates base was 8,148. The axis starts above zero so yearly changes are visible.

Spotswood covers 2.31 square miles of land and 0.11 of water, for 3,596 people per square mile of land. The median New Jersey place of 5,000+ has 4,474, so Spotswood is less dense than the typical town.

What county Spotswood is in

All of Spotswood's residents live in Middlesex County, which had 890,119 residents in 2024. Spotswood holds 0.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Spotswood

1 ZIP Code Tabulation Area (ZCTA) overlaps Spotswood by at least 10% of the ZCTA's or the borough's land: 08884. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a borough that annexed land after 2020 may reach into ZIP codes not listed here.

Where Spotswood is

The Census internal point of Spotswood is at 40.393600, -74.392700. Trenton, the capital, is 22.6 miles WSW in a straight line. The nearest larger place is South River, NJ (16,392 people), 3.7 miles away. The nearest city of 100,000 or more is Elizabeth, NJ, 21.6 miles away.

Internal point

Decimal
40.393600, -74.392700
DMS
40°23'36.96"N 74°23'33.72"W
UTM
18N 551540.2E 4471621.5N
Geohash
dr5jg1kvu
Plus code
87G79JV4+CW

Daylight in Spotswood

At 40.39° N, Spotswood gets about 15 h 04 min of daylight around the June solstice and 9 h 17 min around the December solstice, a swing of 5 h 46 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Spotswood

The eight nearest incorporated places of 1,000+ in New Jersey, measured between internal points. The closest is Helmetta, 1.9 miles away, with 2,504 people.

Questions people ask

What is the population of Spotswood, NJ?

8,306 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 183 (2.3%) from 8,123 in July 2020.

What county is Spotswood in?

Middlesex County. All of its residents live in that county.

What ZIP codes cover Spotswood?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 08884.

How far is Spotswood from Trenton?

22.6 miles (36.3 km) in a straight line, heading WSW from Spotswood.

What is the nearest larger city to Spotswood?

South River, NJ, with 16,392 residents, 3.7 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.