Township · New Jersey

Lawrence Township, Mercer County, New Jersey

Lawrence Township, Mercer County, township, in Mercer County, New Jersey. Lawrence Township, Mercer County had 34,165 residents on July 1, 2025 by the Census Bureau's estimate, up 3.3% since 2020; the 2020 Census counted 33,077 and the ACS 2020-2024 5-year estimates put it at 32,313 (±59). GEOID 3402139510.

Residents, July 2025 estimate

34,165

Census Bureau estimate (no margin published)
2020 Census count: 33,077 · ACS 2020-2024: 32,313 ±59

Median household income

$130,142

±$10,777 (90% margin)
New Jersey: $103,556

Median home value

$439,700

±$19,565 (90% margin)
New Jersey: $454,400

Median gross rent

$2,020

±$107 (90% margin)
New Jersey: $1,720

Where is Lawrence Township, Mercer County and what county is it in?

Lawrence Township, Mercer County is a township in Mercer County, New Jersey. It covers 21.7 square miles of land, 1,522 residents per square mile in 2020.

One place lies inside Lawrence Township (Mercer County): Lawrenceville (CDP, 3,751 in 2020).

Lawrence Township, Mercer County is in the Trenton-Princeton, NJ metropolitan statistical area (Census Bureau delineation, July 2023).

Lawrence Township, Mercer County (marked with a dot) in Mercer County, New Jersey. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in Lawrence Township, Mercer County, and is it growing?

The Census Bureau estimates that 34,165 people lived in Lawrence Township, Mercer County on July 1, 2025, up 3.3% since 2020, in line with New Jersey (+2.8%). The 2020 Census counted 33,077 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 32,313 (±59).

  • July 2020→2021 −1,093 (31,949)
  • 2021→2022 +1,529 (33,478)
  • 2022→2023 +292 (33,770)
  • 2023→2024 +292 (34,062)
  • 2024→2025 +103 (34,165)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureLawrence Township, Mercer CountyMercer CountyNew JerseyChange since 2015-2019
Total population32,313±59385,8649,343,809−301
Households12,442±563144,1143,507,701no clear change
Average household size2.41±0.112.562.62no clear change
Housing units12,927±549151,1383,791,354no clear change

Lawrence Township, Mercer County's population since 2000

From 29,159 in 2000 to 34,165 in 2025: up 17.2%. The 2000, 2010 and 2020 figures are census counts, each for Lawrence Township, Mercer County as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 29,159
  • 2005 (estimate) 31,657
  • 2010 Census 33,472
  • 2015 (estimate) 32,854
  • 2020 Census 33,077
  • 2025 (estimate) 34,165

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov

Who lives in Lawrence Township, Mercer County?

The median resident of Lawrence Township, Mercer County is 40.2 years old; 18.8% are under 18 and 17.1% are 65 or older. The largest group is non-Hispanic white residents at 54.1%, then Hispanic or Latino residents (of any race) at 15.5%. 27.3% of residents were born outside the United States.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureLawrence Township, Mercer CountyMercer CountyNew JerseyChange since 2015-2019
Median age40.2±1.639.540.1no clear change
Under 18 years18.8%±1.9 pts22.0%21.8%–
65 years and over17.1%±1.5 pts16.0%17.2%–
Male48.0%±1.8 pts49.4%49.2%–
Hispanic or Latino (any race)15.5%±3.8 pts23.1%22.5%+6.5 pts
White alone, not Hispanic54.1%±3.7 pts42.7%50.9%−9.3 pts
Black or African American alone, not Hispanic12.7%±1.9 pts17.9%12.2%no clear change
Asian alone, not Hispanic14.5%±2.2 pts12.3%10.0%no clear change
American Indian and Alaska Native alone, not Hispanic0.0%±0.1 pts0.1%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.0%0.0%–
Two or more races, not Hispanic2.9%±0.9 pts3.4%3.5%–
Some other race alone, not Hispanic0.2%±0.2 pts0.5%0.8%–
Born outside the United States27.3%±2.8 pts27.0%23.9%+4.0 pts
Speak a language other than English at home (age 5+)35.9%±4.3 pts35.7%33.1%–
Civilian veterans (age 18+)1.7%±0.6 pts3.4%3.7%–
With a disability7.1%±1.2 pts10.7%10.8%–
No health insurance coverage5.4%±2.2 pts7.9%7.5%no clear change
High school graduate or higher (age 25+)91.8%±2.0 pts89.4%90.7%–
Bachelor's degree or higher (age 25+)61.3%±3.6 pts45.4%43.6%+5.9 pts
Graduate or professional degree (age 25+)28.0%±2.6 pts21.2%17.6%–
Lived in the same house a year earlier83.0%±3.2 pts88.0%90.4%–
Moved from another state in the past year4.7%±1.8 pts2.6%1.8%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Lawrence Township, Mercer County earn?

Half of Lawrence Township, Mercer County's 12,442 households earn less than $130,142 a year (±$10,777), against $100,645 in Mercer County and $103,556 in New Jersey. In 2015-2019 it was $127,611 in 2024 dollars; the margins of error cannot tell the two periods apart. 4.5% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
MeasureLawrence Township, Mercer CountyMercer CountyNew JerseyChange since 2015-2019
Median household income$130,142±$10,777$100,645$103,556no clear change
Mean household income$160,293±$12,275$142,368$143,363–
Per capita income$61,892±$4,443$53,765$54,253no clear change
People below the poverty line4.5%±1.6 pts10.3%9.7%no clear change
Children under 18 below the poverty line6.0%±3.5 pts13.2%13.0%no clear change
Households receiving SNAP3.0%±1.0 pts9.3%9.1%–
Households with a computer96.2%±1.4 pts95.6%95.9%–
Households with a broadband subscription93.6%±1.9 pts91.4%92.8%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Lawrence Township, Mercer County?

Owners occupy 67.5% of Lawrence Township, Mercer County's occupied homes and renters 32.5%. The median owner-occupied home is valued at $439,700 by its owner (±$19,565). The median renter pays $2,020 a month including utilities, and 37.3% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureLawrence Township, Mercer CountyMercer CountyNew JerseyChange since 2015-2019
Median home value (owner-occupied)$439,700±$19,565$377,700$454,400+$38,002
Median gross rent$2,020±$107$1,623$1,720no clear change
Renters paying 35% or more of income on rent37.3%±7.2 pts41.3%42.7%+11.3 pts
Median monthly owner costs, with a mortgage$2,933±$184$2,615$2,829–
Owner-occupied homes67.5%±3.1 pts62.2%63.8%no clear change
Renter-occupied homes32.5%±3.1 pts37.8%36.2%–
Housing units12,927±549151,1383,791,354no clear change
Homeowner vacancy rate0.0%±0.5 pts0.4%0.7%–
Rental vacancy rate1.4%±2.2 pts2.9%3.5%–
Single-family detached homes49.2%±3.0 pts47.5%52.6%–
Mobile homes0.0%±0.3 pts0.5%0.9%–
Built 2020 or later1.5%±1.3 pts0.9%1.1%–
Built 2010 to 20192.1%±1.0 pts4.8%6.2%–
Built 1939 or earlier7.8%±1.7 pts17.9%17.4%–
Households with no vehicle6.3%±1.6 pts11.2%11.1%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Lawrence Township, Mercer County building?

Builders took permits for 161 new housing units in Lawrence Township, Mercer County in 2025 (91 in single-family houses; the permit office reported 10 of 12 months), 4.7 per 1,000 residents against 2.9 across New Jersey.

  • 2019 40 units
  • 2020 (6 months) 67 units
  • 2021 49 units
  • 2022 160 units
  • 2023 (8 months) 221 units
  • 2024 (11 months) 294 units
  • 2025 (10 months) 161 units

Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.

Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Lawrence Township, Mercer County work and get to work?

54.8% of Lawrence Township, Mercer County's workers drive alone and 28.1% work from home. The average trip to work takes 28.7 minutes. The unemployment rate in 2020-2024 averaged 6.0%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureLawrence Township, Mercer CountyMercer CountyNew JerseyChange since 2015-2019
In the labor force (age 16+)67.4%±2.5 pts65.3%66.4%–
Unemployment rate6.0%±2.0 pts6.3%6.3%no clear change
Drove alone to work54.8%±4.0 pts60.2%62.2%–
Carpooled7.7%±2.6 pts8.7%7.7%–
Public transportation4.7%±1.6 pts4.6%8.1%–
Walked3.7%±1.1 pts3.6%2.6%–
Worked from home28.1%±3.6 pts19.5%16.8%+21.5 pts
Mean travel time to work28.7 min±2.427.1 min30.5 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What census tracts are in Lawrence Township, Mercer County?

6 census tracts lie mostly in Lawrence Township, Mercer County (2020 census blocks). Their median household incomes run from $69,235 (Tract 31) to $219,091 (Tract 33.04).

Census tracts in Lawrence Township, Mercer County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Lawrence Township, Mercer County
Tract 32.01Mercer County8,155 $117,179 $396,700100%
Tract 33.01Mercer County7,385 $156,926 $507,600100%
Tract 33.03Mercer County5,456 $152,983 $530,500100%
Tract 32.02Mercer County5,224 $122,540 $449,500100%
Tract 31Mercer County4,276 $69,235 $299,500100%
Tract 33.04Mercer County1,817 $219,091 $713,800100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Lawrence Township, Mercer County) · Census block assignment files

How does Lawrence Township, Mercer County compare with other places in New Jersey?

By the Census Bureau's July 2025 estimates, Lawrence Township, Mercer County is the 294th-most populous of the 16,079 U.S. towns and townships that have one and the 46th-most populous of 241 in New Jersey.

Lawrence Township, Mercer County ranks 266th of 771 places in New Jersey with 1,000 or more residents and a reliable estimate, by median household income.

Lawrence Township, Mercer County's rank in New Jersey (1 = highest): by population among the state's towns and townships with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population, July 2025 estimate46th241
Growth 2020-2025 (PEP)140th532
Residents per square mile482nd787
Median household income266th771
Per capita income277th785
Median home value384th777
Median gross rent223rd701
Poverty rate377th539
Bachelor's degree or higher181st780
Median age546th786
Owner-occupied share562nd777
Work from home92nd695
Travel time to work482nd787

Lawrence Township, Mercer County's figures with every place in New Jersey (CSV)

Every place in New Jersey, sortable · Compare Lawrence Township, Mercer County with other places

Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How reliable are the figures for Lawrence Township, Mercer County?

7 of the 57 figures for Lawrence Township, Mercer County on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.

The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Lawrence Township, Mercer County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.