Appendix I - Appendix I to Part 122—Counties With Unincorporated Urbanized Areas Greater Than 100,000, But Less Than 250,000 According to the 1990 Decennial Census by the Bureau of the Census
State | County | Unincorporated urbanized population | Alabama | Jefferson | 78,608 | Arizona | Pima | 162,202 | California | Alameda | 115,082 | Contra Costa | 131,082 | Kern | 128,503 | Orange | 223,081 | Riverside | 166,509 | San Bernardino | 162,202 | Colorado | Arapahoe | 103,248 | Florida | Broward | 142,329 | Escambia | 167,463 | Hillsborough | 398,593 | Lee | 102,337 | Manatee | 123,828 | Orange | 378,611 | Palm Beach | 360,553 | Pasco | 148,907 | Pinellas | 255,772 | Polk | 121,528 | Sarasota | 172,600 | Seminole | 127,873 | Georgia | Clayton | 133,237 | Cobb | 322,595 | Fulton | 127,776 | Gwinnett | 237,305 | Richmond | 126,476 | Kentucky | Jefferson | 239,430 | Louisiana | East Baton Rouge | 102,539 | Parish | 331,307 | Jefferson Parish | Maryland | Howard | 157,972 | North Carolina | Cumberland | 146,827 | Nevada | Clark | 327,618 | Oregon | Multnomah 1 | 52,923 | Washington | 116,687 | South Carolina | Greenville | 147,464 | Richland | 130,589 | Virginia | Arlington | 170,936 | Chesterfield | 174,488 | Henrico | 201,367 | Prince William | 157,131 | Washington | Pierce | 258,530 | Snohomish | 157,218 |
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1 County was previously listed in this appendix; however, population dropped to below 100,000 in the 1990 Census.