Census tracts · Monroe County

Census tracts in Monroe County, Florida

Monroe County is divided into 29 census tracts, 1 of them with no residents (water, parks or institutional land). Among the tracts with a reliable estimate, median household income runs from $51,960 in Tract 9707 to $138,958 in Tract 9725 (ACS 2020-2024 5-year estimates).

Every census tract in Monroe 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 Monroe County, ACS 2020-2024 5-year estimates

Tract 970412087970400	Key Largo (93%)	4,412	4,304±609	$71,845	$489,300	$1,868	9.3%
Tract 970512087970500	Key Largo (96%)	3,108	3,576±368	$112,563	$816,100	$1,991	7.9%
Tract 970612087970600	Key Largo (76%)	1,970	1,986±373	$70,925	$726,800	$1,607	10.9%
Tract 970712087970700	Tavernier (65%)	2,931	2,806±486	$51,960	$610,700	$1,966	15.1%
Tract 970812087970800	Islamorada, Village of Islands (71%)	4,665	4,497±411	$99,922	$933,600	$2,550	8.2%
Tract 970912087970900	Islamorada, Village of Islands (55%)	2,092	2,178±377	$84,375	$980,500	$1,730	5.3%
Tract 9710.0112087971001	Marathon (47%)	1,531	1,298±291	$83,000	$1,044,400	$1,897	10.8%
Tract 9710.0212087971002	Duck Key (38%)	1,884	1,547±239	$120,982	$779,400	$2,526	7.0%
Tract 971112087971100	Marathon (76%)	3,618	3,812±437	$93,696	$727,400	$1,618	15.0%
Tract 971212087971200	Marathon (75%)	2,654	2,855±513	$103,481	$830,500	$1,196	13.4%
Tract 971312087971300	Marathon (50%)	1,998	1,810±382	$53,516	$388,900	$1,706	13.9%
Tract 9714.0112087971401	Big Pine Key (82%)	3,148	2,843±535	$115,889	$606,000	$1,666	10.8%
Tract 9714.0212087971402	Big Pine Key (27%)	1,515	1,455±340	$100,875	$691,600	$2,321	10.3%
Tract 9715.0112087971501	Cudjoe Key (70%)	2,019	2,492±386	$87,500	$857,400	$1,864	8.6%
Tract 9715.0212087971502	–	3,078	2,791±481	$117,727	$797,200	$2,414	8.8%
Tract 971612087971600	–	2,274	1,988±377	$118,478	$923,200	$2,337	7.2%
Tract 971712087971700	Big Coppitt Key (45%)	3,203	3,438±573	$101,369	$559,900	$2,426	4.8%
Tract 971812087971800	Stock Island (70%)	5,783	5,437±805	$76,537	$871,100	$2,025	9.3%
Tract 971912087971900	Key West (95%)	7,028	7,437±794	$85,399	$735,500	$1,980	6.8%
Tract 972012087972000	Key West (96%)	4,311	4,217±626	$92,201	$811,200	$2,827	10.7%
Tract 972112087972100	Key West (83%)	4,253	4,572±740	$98,189	$673,800	$2,316	10.7%
Tract 972212087972200	Key West	3,174	3,185±690	$113,185	$893,400	$2,095	10.4%
Tract 972412087972400	Key West (99%)	3,156	2,604±410	$60,437	$1,045,400	$1,714	22.6%
Tract 972512087972500	Key West (75%)	1,110	815±231	$138,958	$1,288,500	$2,580	9.1%
Tract 972712087972700	Key Largo (41%)	4,453	4,968±623	$89,405	$739,400	$2,063	18.1%
Tract 972812087972800	Key West (99%)	3,415	2,916±592	$91,573	$1,190,800	$2,138	11.8%
Tract 980012087980000	–	80	29±15	not published	not published	not published	34.5%
Tract 980112087980100	–	11	4±2	not published	not published	not published	50.0%
Tract 990012087990000	–	0	0±15	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

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