Table 2-1. Geographic Entities of the 1990 Census
| Type of Geographic Entity | Status | Number |
|---|---|---|
| Nation (the United States)[2-1 1] |
Legal |
1 |
| Regions (of the United States) |
Statistical |
4 |
| Divisions (of the United States) |
Statistical |
9 |
| States and Statistically Equivalent Entities[2-1 2] |
Legal |
57 |
| Counties and Statistically Equivalent Entities |
Legal |
3,248 |
| County Subdivisions and Places | 60,228 | |
| Minor Civil Divisions (MCDs) | Legal | 30,386 |
| Sub-MCDs | Legal | 145 |
| Census County Divisions (CCDs) | Statistical | 5,581 |
| Unorganized Territories (UTs) | Statistical | 282 |
| Other Statistically Equivalent Entities[2-1 3] | Statistical | 40 |
| Incorporated Places[2-1 4] | Legal | 19,365 |
| Consolidated Cities | Legal | 6 |
| Census Designated Places (CDPs) |
Statistical |
4,423 |
| American Indian and Alaska Native Areas (AIANAs) | 576 | |
| American Indian Reservations (no trust lands) | Legal | 259 |
| American Indian Entities with Trust Lands | Legal | 52 |
| Tribal Jurisdiction Statistical Areas (TJSAs) | Statistical | 19 |
| Tribal Designated Statistical Areas (TDSAs) | Statistical | 17 |
| Alaska Native Village Statistical Areas (ANVSAs) | Statistical | 217 |
| Alaska Native Regional Corporations (ANRCs) |
Legal |
12 |
| Metropolitan Areas (MAs) | 362 | |
| Metropolitan Statistical Areas (MSAs) | Statistical | 268 |
| Consolidated Metropolitan Statistical Areas (CMSAs) | Statistical | 21 |
| Primary Metropolitan Statistical Areas (PMSAs) |
Statistical |
73 |
| Urbanized Areas (UAs) |
Statistical |
405 |
| Special-Purpose Entities | 404,583 | |
| Congressional Districts | Legal | 435 |
| Voting Districts (VTDs)[2-1 5] | Legal | 148,872 |
| School Districts | Administrative | 15,274 |
| Traffic Analysis Zones (TAZs)[2-1 6] | Administrative | 200,000 |
| ZIP Codes[2-1 7] |
Administrative |
40,000 |
- ↑ Officially, “the United States” consists of the 50 States and the District of Columbia.
- ↑ In addition to the 50 States and the District of Columbia (the United States), the 1990 decennial census includes American Samoa, Guam, the Northern Mariana Islands, Palau, Puerto Rico, and the Virgin Islands of the United States.
- ↑ The 40 entities include the 40 “census subareas” in Alaska.
- ↑ In agreement with the State of Hawaii, the Census Bureau does not recognize the city of Honolulu, which is coextensive with Honolulu County, as an incorporated place for statistical presentation purposes. Instead, the State delineates, and the Census Bureau tabulates data for, CDPs that define the separate communities within Honolulu County.
- ↑ Include only those eligible entities participating under the provisions of Public Law 94-171.
- ↑ The number of Traffic Analysis Zones, for which the Census Bureau tabulated data from the 1990 census, is an estimated value.
- ↑ The number of ZIP Codes is an estimated value.
Geographic Overview2-3
