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American Community Survey (ACS)

Areas Published

American Community Survey data are tabulated for a variety of different geographic areas ranging in size from broad geographic regions to cities, towns, neighborhoods, and census block groups. See the chart below outlining the number of areas receiving data by geographic level. Note that 5-year estimates are available for all areas.

Or download detailed lists of geographic areas for 1-year estimates [XLSX - <1.0 MB] or 1-year Supplemental Estimates [XLSX - <1.0 MB].

Many factors other than population size also affect whether ACS data are published. Visit the Data Suppression page for more details and to learn how population thresholds are applied.

Selected Geographic Areas Published in the 2017 American Community Survey 1-year and 5-year estimates

Geographic Areas
1-year estimates
1-year Supplemental Estimates
5-year estimates

Areas with a
Population of 65,000+*
Areas with a
Population of 20,000+*
All areas**

number
percentage
number
percentage
number

United States

1

100%

1

100%

1

Region

4

100%

4

100%

4

Division

9

100%

9

100%

9

States, the District of Columbia, and Puerto Rico

52

100%

52

100%

52

County or equivalent1

837

26%

1,908

59%

3,220

County Subdivision2

224

1%

1,196

3%

36,631

Subminor Civil Division (Puerto Rico Only)3

N/A

N/A

N/A

N/A

145

Census Tract3

N/A

N/A

N/A

N/A

74,001

Block Group3

N/A

N/A

N/A

N/A

220,333

Place (incorporated places and census designated places)

614

2%

2,302

8%

29,576

Consolidated City3

N/A

N/A

N/A

N/A

8

Alaska Native Regional Corporation

3

25%

4

33%

12

American Indian Area/Alaska Native Area/Hawaiian Home Land

13

2%

34

5%

695

Specified American Indian Area-Tribal Census Tract3

N/A

N/A

N/A

N/A

483

Specified American Indian Area-Tribal Census Tract-Tribal Block Group3

N/A

N/A

N/A

N/A

917

Metropolitan Statistical/Micropolitan Statistical Area4

518

55%

916

97%

945

Principal City of Metropolitan or Micropolitan Statistical Areas

399

32%

783

62%

1,265

Metropolitan Division

31

100%

31

100%

31

Combined Statistical Area

171

98%

174

100%

174

Combined New England City and Town Area

7

100%

7

100%

7

New England City and Town Area

25

62%

36

92%

39

Principal Cities of New England City and Town Areas

19

32%

42

71%

59

New England City and Town Area Division

10

100%

10

100%

10

Urban Area

435

12%

881

25%

3,592

Congressional Districts - 115th

435

100%

435

100%

435

Delegate District - 115th (at Large, District of Columbia)

1

100%

1

100%

1

Resident Commissioner District - 115th (at Large, Puerto Rico)

1

100%

1

100%

1

State Legislative District3, 5 (Upper)

N/A

N/A

N/A

N/A

1,954

State Legislative District3, 5 (Lower)

N/A

N/A

N/A

N/A

4,825

Public Use Microdata Area

2,378

100%

2,378

100%

2,378

5 digit ZIP Code Tabulation Area3

N/A

N/A

N/A

N/A

33,120

School District (Elementary)

80

4%

299

15%

1,995

School District (Secondary)

90

18%

214

42%

509

School District (Unified)

872

8%

3,001

28%

10,902

Total

7,159

2%

14,529

3%

428,517







Download a complete list of geographic areas published in the 1-year estimates [XLSX - <1.0 MB] , 1-year Supplemental Estimates [XLSX - <1.0 MB], or 5-year estimates [XLSX - <1.0 MB].

1County equivalents include Alaska boroughs, municipalities, city and boroughs, and census areas; Louisiana parishes; Puerto Rico municipios; independent cities in Maryland, Missouri, Nevada, and Virginia.

2 For 1-year estimates, qualifying Minor Civil Divisions in 20 states only. For 5-year estimates, all county subdivisions.

3 1-year estimates are not produced for this geographic level, regardless of population size.

4 All metropolitan statistical areas receive ACS 1-year estimates. A population minimum of 50,000 is applied instead of the standard 65,000.

5 Legislative session year 2016.

* Counts based on geographic area boundaries as of January 1, 2017.

* * The Census Bureau does not publish ACS data for blocks.

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