Census tracts · Mercer County

Census tracts in Mercer County, New Jersey

Mercer County is divided into 84 census tracts. Among the tracts with a reliable estimate, median household income runs from $24,659 in Tract 10 to $250,000 or more in Tract 43.15 (ACS 2020-2024 5-year estimates).

Every census tract in Mercer County

Sort by any column. A tract's number repeats across counties; the GEOID under each name is unique. A ring marks an estimate whose coefficient of variation is over 40%.

Census tracts of Mercer County, ACS 2020-2024 5-year estimates

Tract 134021000100	Trenton	3,354	3,543±684	$43,497	$145,300	$1,521	28.7%
Tract 234021000200	Trenton	4,349	3,584±837	$87,632	$164,700	$1,463	17.8%
Tract 334021000300	Trenton	5,068	4,719±933	$61,147	$179,200	$1,712	15.1%
Tract 434021000400	Trenton	6,305	6,392±1,319	$49,023	$120,800	$1,604	29.0%
Tract 534021000500	Trenton	5,050	6,052±1,397	$52,679	$156,300	$1,817	15.4%
Tract 634021000600	Trenton	5,052	5,288±795	$69,950	$158,900	$1,339	7.0%
Tract 734021000700	Trenton	3,907	3,976±1,165	$61,318	$151,700	$1,211	6.7%
Tract 834021000800	Trenton	2,808	2,399±460	$78,785	not published	$1,695	30.2%
Tract 934021000900	Trenton	3,942	4,428±942	$79,260	not published	$1,069	22.2%
Tract 1034021001000	Trenton	2,999	3,238±556	$24,659	$159,400	$519	36.2%
Tract 11.0134021001101	Trenton	2,377	2,163±501	$35,015	not published	$1,088	16.7%
Tract 11.0234021001102	Trenton	3,237	3,809±602	$33,035	$120,500	not published	39.9%
Tract 1234021001200	Trenton	3,819	3,830±595	$53,100	$227,600	$1,305	29.0%
Tract 1334021001300	Trenton	3,963	3,538±459	$79,810	$230,200	$1,466	14.7%
Tract 14.0134021001401	Trenton	3,884	3,612±879	$16,326	$161,800	$440	43.2%
Tract 14.0234021001402	Trenton	1,754	1,567±341	$61,875	$144,400	$1,304	3.7%
Tract 1534021001500	Trenton	2,708	2,727±802	$58,642	$223,900	$1,296	4.5%
Tract 1634021001600	Trenton	1,225	1,333±454	$36,190	$77,400	$621	8.9%
Tract 1734021001700	Trenton	3,524	3,910±666	$36,790	$110,800	$1,114	25.2%
Tract 1834021001800	Trenton	5,193	4,178±735	$57,734	$179,500	$1,732	11.5%
Tract 1934021001900	Trenton	1,500	1,311±489	$48,182	$62,500	$1,625	40.2%
Tract 2034021002000	Trenton	1,595	1,356±407	$39,734	$88,700	$1,472	24.4%
Tract 2134021002100	Trenton	5,670	6,310±1,464	$28,720	not published	$1,174	23.5%
Tract 2234021002200	Trenton	6,109	6,278±1,192	$83,443	$121,100	$1,493	23.3%
Tract 2534021002500	White Horse (33%)	7,579	8,747±985	$91,250	$228,000	$1,328	5.7%
Tract 26.0134021002601	–	4,785	4,936±603	$86,875	$204,200	$1,609	10.9%
Tract 26.0234021002602	White Horse (52%)	4,348	4,744±933	$88,860	$259,400	$1,688	6.6%
Tract 27.0134021002701	–	4,586	4,565±940	$79,505	$281,900	$1,282	10.9%
Tract 27.0234021002702	–	6,454	7,022±875	$73,633	$381,600	$1,596	12.6%
Tract 2834021002800	–	6,725	6,655±930	$93,341	$228,300	$1,451	10.2%
Tract 29.0234021002902	Mercerville (53%)	4,869	5,404±598	$97,167	$325,600	$1,546	3.3%
Tract 29.0334021002903	Mercerville (33%)	3,561	3,871±615	$143,533	$374,200	$2,629	3.4%
Tract 29.0434021002904	Mercerville (22%)	5,214	4,717±479	$144,623	$420,500	$1,714	3.2%
Tract 30.0134021003001	Groveville (39%)	6,287	5,852±1,572	$118,804	$470,200	$1,845	4.6%
Tract 30.0234021003002	Hamilton Square (95%)	5,691	5,852±848	$134,257	$392,800	$1,616	1.1%
Tract 30.0334021003003	Yardville (84%)	6,209	5,665±492	$86,844	$354,000	$1,746	15.2%
Tract 30.0434021003004	White Horse	5,811	5,607±676	$103,103	$358,500	$1,847	1.6%
Tract 30.0634021003006	Mercerville (56%)	5,965	4,956±432	$137,982	$411,100	not published	1.1%
Tract 30.0734021003007	Hamilton Square	3,394	2,901±215	$139,167	$347,700	$1,421	5.9%
Tract 30.0834021003008	Mercerville (92%)	5,389	5,342±695	$133,110	$395,200	$1,753	3.1%
Tract 30.0934021003009	–	5,430	5,670±777	$65,886	$246,600	$1,736	11.4%
Tract 3134021003100	–	4,516	4,276±632	$69,235	$299,500	$1,537	7.0%
Tract 32.0134021003201	–	7,475	8,155±1,174	$117,179	$396,700	$1,943	4.7%
Tract 32.0234021003202	–	5,643	5,224±615	$122,540	$449,500	$1,628	3.7%
Tract 33.0134021003301	Lawrenceville (51%)	7,112	7,385±1,066	$156,926	$507,600	$2,063	1.4%
Tract 33.0334021003303	–	6,419	5,456±489	$152,983	$530,500	$2,410	8.4%
Tract 33.0434021003304	–	1,912	1,817±264	$219,091	$713,800	not published	1.6%
Tract 3434021003400	–	2,810	2,903±551	$67,807	$222,600	$1,649	22.3%
Tract 3534021003500	–	7,331	6,494±821	$79,176	$244,100	$1,494	11.0%
Tract 36.0134021003601	–	3,350	3,761±663	$84,375	$267,900	$1,367	17.0%
Tract 36.0234021003602	–	3,129	2,380±422	$80,726	$239,800	$1,356	14.0%
Tract 37.0334021003703	The College of New Jersey (15%)	7,108	7,076±579	$104,715	$312,900	$1,924	21.1%
Tract 37.0434021003704	–	2,679	2,585±416	$142,120	$403,200	$2,270	1.7%
Tract 37.0634021003706	–	3,737	3,996±559	$104,079	$378,100	$1,763	5.7%
Tract 37.0734021003707	–	1,402	1,842±295	$73,750	$242,400	$2,167	6.2%
Tract 37.0834021003708	–	5,718	4,567±464	$91,263	$354,300	$1,733	6.2%
Tract 3834021003800	Titusville (15%)	6,874	6,999±553	$171,250	$569,000	$2,221	4.0%
Tract 39.0234021003902	Hopewell	1,918	1,823±258	$145,114	$586,600	$1,856	3.9%
Tract 39.0334021003903	Pennington	2,802	2,827±26	$192,586	$672,900	$1,886	4.8%
Tract 39.0434021003904	–	6,122	5,951±607	$164,554	$495,800	$1,424	3.5%
Tract 39.0534021003905	–	4,495	4,645±474	$230,125	$676,300	$3,083	1.5%
Tract 4034021004000	Princeton	5,686	5,705±705	$110,375	$912,400	$2,344	9.1%
Tract 42.0334021004203	Princeton	4,199	3,532±491	$244,038	$1,139,000	$2,932	5.4%
Tract 42.0434021004204	Princeton	6,054	6,062±527	$207,207	$1,180,800	$1,909	6.5%
Tract 42.0534021004205	Princeton	4,671	5,357±974	$250,000 or more	$1,087,500	$3,500 or more	1.7%
Tract 42.0634021004206	Princeton	2,443	2,401±514	$181,528	$740,900	$3,434	3.9%
Tract 43.0634021004306	–	5,108	4,924±411	$250,000 or more	$822,200	$3,500 or more	1.6%
Tract 43.0734021004307	Princeton Junction (34%)	6,218	6,690±652	$200,355	$733,000	$2,135	3.2%
Tract 43.0934021004309	–	4,980	4,618±530	$226,838	$680,100	$1,718	1.2%
Tract 43.1134021004311	Robbinsville Center (55%)	6,975	7,571±643	$114,950	$417,000	$2,124	6.9%
Tract 43.1234021004312	Windsor (16%)	3,521	3,452±415	$231,544	$817,700	$1,923	0.3%
Tract 43.1334021004313	–	4,390	5,327±910	$117,000	$711,600	$2,169	27.4%
Tract 43.1434021004314	Princeton Junction (14%)	5,526	5,865±980	$167,458	$546,100	$2,456	7.8%
Tract 43.1534021004315	–	3,485	3,212±278	$250,000 or more	$908,200	not published	1.1%
Tract 43.1634021004316	–	4,791	4,461±545	$177,344	$800,500	not published	4.4%
Tract 44.0334021004403	Hightstown	5,900	5,920±34	$108,987	$342,600	$1,606	2.1%
Tract 44.0434021004404	Twin Rivers	7,787	8,382±770	$100,833	$301,400	$1,753	3.5%
Tract 44.0634021004406	–	5,771	5,182±561	$93,176	$423,800	$1,527	8.5%
Tract 44.0734021004407	–	7,733	7,505±684	$107,778	$497,800	$1,603	6.1%
Tract 44.0834021004408	–	4,637	5,307±887	$151,191	$594,800	$1,727	10.9%
Tract 44.0934021004409	–	4,117	3,686±535	$85,194	$427,000	$1,563	15.4%
Tract 45.0134021004501	Princeton	6,474	6,678±345	$197,434	$1,130,900	$2,449	6.5%
Tract 45.0234021004502	Princeton	1,154	1,021±234	$139,922	$1,937,500	$357	18.1%
Tract 980034021980000	Trenton	1,479	797±115	not published	not published	not published	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); place = the place holding most of the tract's 2020 census blocks · Check it at data.census.gov

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