PlainCities

Census tracts · Martinez, CA

Census tracts in Martinez, California

7 census tracts lie mostly within Martinez, and 7 more reach into it, by the 2020 census blocks they share. Median household income runs from $58,214 in Tract 3160 to $171,343 in Tract 3200.03, against $127,355 for Martinez as a whole (ACS 2020-2024 5-year estimates).

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

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

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 Martinez

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

Census tracts in or partly in Martinez, ACS 2020-2024 5-year estimates. Distance and direction from the Census Bureau's internal point of Martinez (2024 Gazetteer), which is not always its downtown
Tract 3160060133160002.2 mi northwestContra Costa County1,334±171$58,214not published$1,557100%
Tract 3200.0306013320003at the center pointContra Costa County2,928±338$171,343$909,400$3,500 or more100%
Tract 3211.01060133211010.9 mi southeastContra Costa County7,268±769$152,063$852,200$2,861100%
Tract 3170060133170001.5 mi northwestContra Costa County2,159±325$86,365$689,500$2,22496%
Tract 3180060133180002.8 mi northwestContra Costa County3,514±434$101,947$813,700$1,96688%
Tract 3211.03060133211031.9 mi southContra Costa County4,642±458$158,750$1,025,600$2,58081%
Tract 3200.04060133200041.9 mi eastContra Costa County6,401±726$125,752$777,800$2,46654%
Tract 3190.02060133190020.8 mi northwestContra Costa County3,819±420$112,543$647,600$2,27749%
Tract 3211.02060133211022.0 mi southeastContra Costa County5,830±528$153,048$1,006,400$3,05246%
Tract 3190.01060133190010.7 mi westContra Costa County4,060±687$146,071$816,300$2,30433%
Tract 3200.01060133200011.9 mi northeastContra Costa County3,276±520$98,602$641,400$2,16729%
Tract 3560.02060133560025.1 mi southwestContra Costa County5,612±685$121,275$884,500$2,9508%
Tract 3212060133212002.6 mi southeastContra Costa County5,629±688$105,694$789,600$2,3575%
Tract 3470060133470004.5 mi southContra Costa County6,971±954$250,000 or more$2,000,000 or more$3,3982%

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