Census tracts · St. Clair County

Census tracts in St. Clair County, Michigan

St. Clair County is divided into 51 census tracts, 2 of them with no residents (water, parks or institutional land). Among the tracts with a reliable estimate, median household income runs from $20,000 in Tract 6240 to $108,885 in Tract 6480 (ACS 2020-2024 5-year estimates).

Every census tract in St. Clair 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 St. Clair County, ACS 2020-2024 5-year estimates

Tract 620026147620000	Port Huron	4,719	4,681±390	$45,694	$124,100	$1,001	27.7%
Tract 621026147621000	Port Huron	3,488	3,321±441	$44,974	$97,400	$1,026	33.2%
Tract 622026147622000	Port Huron	4,047	3,666±542	$52,673	$122,400	$1,259	17.2%
Tract 623026147623000	Port Huron	2,986	2,878±435	$50,158	$115,300	$1,072	22.3%
Tract 624026147624000	Port Huron	1,598	1,635±209	$20,000	$113,800	$693	42.6%
Tract 6250.0126147625001	Port Huron	1,486	1,408±262	$37,022	$108,800	$762	29.5%
Tract 6260.0126147626001	Port Huron	1,938	2,015±283	$58,125	$146,800	$965	20.0%
Tract 627026147627000	Port Huron	2,542	2,659±339	$78,519	$194,700	$1,284	5.8%
Tract 628026147628000	Port Huron	3,481	3,636±494	$67,933	$177,100	$1,103	13.3%
Tract 629026147629000	Port Huron	2,678	2,721±353	$51,250	$213,700	$812	24.5%
Tract 630126147630100	–	1,359	1,299±149	$53,750	$160,600	$936	7.7%
Tract 630426147630400	–	5,900	6,087±381	$92,031	$241,400	not published	2.9%
Tract 631126147631100	–	1,931	2,021±210	$81,938	$241,700	$1,185	3.6%
Tract 631626147631600	–	2,052	2,027±278	$81,050	$306,200	$974	5.1%
Tract 632026147632000	Lakeport (28%)	4,077	4,065±39	$58,872	$162,000	$1,032	14.5%
Tract 633126147633100	–	2,828	2,722±263	$82,370	$236,800	$1,038	7.5%
Tract 633226147633200	Ruby (26%)	2,695	2,746±265	$87,500	$234,300	$1,125	5.4%
Tract 634126147634100	–	3,804	3,886±389	$62,989	$212,000	$1,132	12.7%
Tract 634626147634600	–	5,805	5,738±389	$76,013	$192,900	$1,168	6.9%
Tract 635026147635000	–	6,216	6,399±441	$78,243	$236,400	$1,116	13.8%
Tract 636026147636000	–	4,576	4,323±442	$48,913	$155,400	$1,084	20.8%
Tract 637126147637100	Marysville	3,940	3,805±411	$89,000	$223,700	not published	2.9%
Tract 637226147637200	Marysville	3,821	3,871±453	$74,696	$183,000	$709	7.8%
Tract 637326147637300	Marysville	2,236	2,249±256	$47,364	$217,600	$1,027	9.9%
Tract 640126147640100	–	2,296	2,248±224	$81,125	$319,500	$1,401	6.6%
Tract 640226147640200	St. Clair (2%)	2,442	2,467±245	$107,917	$358,200	not published	4.0%
Tract 640626147640600	–	2,347	2,411±290	$85,662	$323,600	$1,018	5.5%
Tract 641026147641000	–	3,509	3,502±16	$98,879	$322,600	not published	3.7%
Tract 642026147642000	St. Clair (99%)	5,464	5,585±45	$69,688	$223,200	$1,113	7.1%
Tract 643026147643000	–	3,704	3,686±43	$71,517	$275,900	$909	9.2%
Tract 644026147644000	Marine City (94%)	4,228	4,070±54	$68,232	$159,400	$944	7.6%
Tract 645026147645000	–	3,257	3,367±48	$91,121	$296,400	$965	5.1%
Tract 646026147646000	Pearl Beach (47%)	4,510	4,161±306	$70,179	$231,300	$847	10.1%
Tract 647026147647000	Pearl Beach (60%)	2,977	2,899±293	$88,327	$365,100	$1,086	7.7%
Tract 648026147648000	–	959	1,297±248	$108,885	$376,900	not published	5.9%
Tract 649026147649000	Algonac (97%)	4,196	4,139±19	$56,820	$199,500	$910	14.5%
Tract 650126147650100	–	3,952	3,987±241	$65,992	$232,500	$1,238	12.7%
Tract 650226147650200	–	1,015	1,044±241	$96,042	$383,300	$1,300	8.8%
Tract 651126147651100	–	1,871	2,140±226	$92,188	$313,100	$1,102	4.7%
Tract 651226147651200	Richmond (1%)	2,122	2,040±224	$72,303	$290,900	not published	12.1%
Tract 651626147651600	Richmond (1%)	4,112	4,206±20	$93,844	$323,200	$1,430	4.3%
Tract 652126147652100	–	2,405	2,387±345	$61,750	$232,200	not published	22.7%
Tract 652626147652600	–	3,180	3,187±23	$90,417	$273,700	$869	12.0%
Tract 655126147655100	Yale (19%)	4,917	5,017±280	$63,889	$208,100	$918	15.1%
Tract 655626147655600	–	3,319	3,166±269	$84,440	$255,100	$1,147	12.3%
Tract 657126147657100	Capac (98%)	1,987	1,970±321	$60,329	$161,700	$772	12.5%
Tract 657226147657200	–	5,362	5,355±323	$88,098	$272,600	$983	4.8%
Tract 658126147658100	Emmett (17%)	2,515	2,530±45	$96,809	$239,800	$1,050	3.1%
Tract 658526147658500	Memphis (5%)	3,514	3,502±105	$87,386	$335,400	$913	4.4%
Tract 989026147989000	Port Huron	20	0±11	not published	not published	not published	–
Tract 990026147990000	–	0	0±11	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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