Census tracts · Greenwich, CT

Census tracts in Greenwich, Connecticut

15 census tracts lie mostly within Greenwich, and 1 more reaches into it, by the 2020 census blocks they share. Median household income runs from $84,621 in Tract 107 to $250,000 or more in Tract 101.01, against $206,130 for Greenwich as a whole (ACS 2020-2024 5-year estimates).

Which census tracts of Greenwich earn the most and the least?

The five tracts with the highest and the lowest median household income among those mostly within Greenwich and with a reliable estimate.

Tract 101.01 $250,000 or more
Tract 101.02 $250,000 or more
Tract 102.01 $250,000 or more
Tract 103 $250,000 or more
Tract 110 $250,000 or more
Tract 104 $151,198
Tract 113 $134,327
Tract 106 $115,083
Tract 105 $93,587
Tract 107 $84,621

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

Every census tract in Greenwich

Sort by any column; the share column is how much of each tract's land (by 2020 census blocks) lies inside Greenwich.

Census tracts in or partly in Greenwich, ACS 2020-2024 5-year estimates. Distance and direction from the Census Bureau's internal point of Greenwich (2024 Gazetteer), which is not always its downtown

Tract 101.0109190010101	3.7 mi northwest	Western Connecticut Planning Region	4,433±444	$250,000 or more	$2,000,000 or more	$3,500 or more	100%
Tract 101.0209190010102	4.1 mi north	Western Connecticut Planning Region	4,154±573	$250,000 or more	$2,000,000 or more	$3,500 or more	100%
Tract 102.0109190010201	1.5 mi northeast	Western Connecticut Planning Region	3,376±443	$250,000 or more	$2,000,000 or more	not published	100%
Tract 102.0209190010202	2.7 mi northeast	Western Connecticut Planning Region	5,793±830	$224,242	$1,681,800	$2,922	100%
Tract 10309190010300	0.7 mi southwest	Western Connecticut Planning Region	4,564±439	$250,000 or more	$2,000,000 or more	$2,360	100%
Tract 10409190010400	1.9 mi southwest	Western Connecticut Planning Region	5,481±713	$151,198	$997,400	not published	100%
Tract 10509190010500	2.2 mi south	Western Connecticut Planning Region	6,479±952	$93,587	$862,100	$2,558	100%
Tract 10609190010600	1.2 mi south	Western Connecticut Planning Region	1,807±366	$115,083	$929,300	$2,607	100%
Tract 10709190010700	1.4 mi southeast	Western Connecticut Planning Region	3,661±695	$84,621	$721,500	$1,629	100%
Tract 10809190010800	1.8 mi east	Western Connecticut Planning Region	3,488±497	$205,938	$1,183,700	$3,500 or more	100%
Tract 10909190010900	3.1 mi east	Western Connecticut Planning Region	5,391±626	$232,560	$1,230,400	$3,500 or more	100%
Tract 11009190011000	3.8 mi southeast	Western Connecticut Planning Region	5,267±584	$250,000 or more	$2,000,000 or more	$3,500 or more	100%
Tract 11109190011100	2.8 mi southeast	Western Connecticut Planning Region	5,232±590	$250,000 or more	$2,000,000 or more	$3,500 or more	100%
Tract 11209190011200	2.3 mi south	Western Connecticut Planning Region	1,791±256	$250,000 or more	$2,000,000 or more	$3,500 or more	100%
Tract 11309190011300	4.3 mi south	Western Connecticut Planning Region	2,939±473	$134,327	$898,100	$2,305	100%
Tract 990009190990000	10 mi east	Western Connecticut Planning Region	0±14	not published	not published	not published	24%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files · Census block assignment files

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