4 regions · 9 divisions

Census regions and divisions

Short answer

The Census Bureau groups the 50 states and DC into 4 regions and 9 divisions. The South is the most populous region, with 132,665,693 residents, 39.0% of the US in the Vintage 2024 estimates.

The four regions

Name	Members	Residents	Share of US	Per sq mi	Counties
Northeast	9	57,832,935	17.0%	357.2	218
Midwest	12	69,596,584	20.5%	92.7	1,055
South	17	132,665,693	39.0%	152.7	1,422
West	13	80,015,776	23.5%	45.7	449

The nine divisions

Name	Members	Residents	Share of US	Per sq mi	Counties
New England	6	15,386,085	4.5%	245.4	68
Middle Atlantic	3	42,446,850	12.5%	427.8	150
East North Central	5	47,619,171	14.0%	196.0	437
West North Central	7	21,977,413	6.5%	43.3	618
South Atlantic	9	69,676,509	20.5%	262.6	588
East South Central	4	19,916,866	5.9%	111.7	364
West South Central	4	43,072,318	12.7%	101.3	470
Mountain	8	26,167,683	7.7%	30.6	281
Pacific	5	53,848,093	15.8%	60.1	168

Census Vintage 2024 population and 2024 Gazetteer land area, summed from counties.

Which states are in each division

Northeast
- New England
  CT · ME · MA · NH · RI · VT
- Middle Atlantic
  NJ · NY · PA
Midwest
- East North Central
  IL · IN · MI · OH · WI
- West North Central
  IA · KS · MN · MO · NE · ND · SD
South
- South Atlantic
  DE · DC · FL · GA · MD · NC · SC · VA · WV
- East South Central
  AL · KY · MS · TN
- West South Central
  AR · LA · OK · TX
West
- Mountain
  AZ · CO · ID · MT · NV · NM · UT · WY
- Pacific
  AK · CA · HI · OR · WA

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

01Census Bureau regions and divisions of the United States (last verified 2026-09-30)
02Census Vintage 2024 county population estimates
03Census 2024 Gazetteer, counties

How every number is computed: methodology. Spotted a wrong figure? Report an error.