Selected County Estimated 2000 Census Undercount:
State, County	2000 Population Projection		Estimated Undercount
	Unadjusted Count1	Adjusted Count2	Number3	Rate4
Total, All 112 Selected Counties	125,460,358	127,081,879	1,621,521	1.28
Alabama	4,447,100	4,500,658	53,558	1.19
Jefferson County	662,047	672,565	10,518	1.56
Arizona	5,130,632	5,205,064	74,432	1.43
Maricopa County	3,072,149	3,109,081	36,932	1.19
Pima County	843,746	854,259	10,513	1.23
California	33,871,648	34,394,444	522,796	1.52
Alameda County	1,443,741	1,463,267	19,526	1.33
Contra Costa County	948,816	957,328	8,512	0.89
Fresno County	799,407	812,347	12,940	1.59
Kern County	661,645	670,843	9,198	1.37
Los Angeles County	9,519,338	9,694,716	175,378	1.81
Orange County	2,846,289	2,881,546	35,257	1.22
Riverside County	1,545,387	1,563,399	18,012	1.15
Sacramento County	1,223,499	1,236,842	13,343	1.08
San Bernardino County	1,709,434	1,732,375	22,941	1.32
San Diego County	2,813,833	2,850,103	36,270	1.27
San Francisco County	776,733	788,191	11,458	1.45
San Joaquin County	563,598	571,318	7,720	1.35
San Mateo County	707,161	714,694	7,533	1.05
Santa Clara County	1,682,585	1,702,011	19,426	1.14
Ventura County	753,197	761,381	8,184	1.07
Colorado	4,301,261	4,356,148	54,887	1.26
Denver County	554,636	563,619	8,983	1.59
El Paso County	516,929	521,732	4,803	0.92
Jefferson County	527,056	529,927	2,871	0.54
Connecticut	3,405,565	3,438,923	33,358	0.97
Fairfield County	882,567	891,041	8,474	0.95
Hartford County	857,183	866,052	8,869	1.02
New Haven County	824,008	831,688	7,680	0.92
Delaware	783,600	795,533	11,933	1.50
New Castle County	500,265	507,573	7,308	1.44
Florida	15,982,378	16,183,048	200,670	1.24
Broward County	1,623,018	1,642,842	19,824	1.21
Miami-Dade County	2,253,362	2,297,091	43,729	1.90
Duval County	778,879	787,957	9,078	1.15
Hillsborough County	998,948	1,010,386	11,438	1.13
Orange County	896,344	907,877	11,533	1.27
Palm Beach County	1,131,184	1,142,954	11,770	1.03
Pinellas County	921,482	929,008	7,526	0.81
Georgia	8,186,453	8,309,433	122,980	1.48
Cobb County	607,751	616,952	9,201	1.49
DeKalb County	665,865	680,465	14,600	2.15
Fulton County	816,006	833,051	17,045	2.05
Gwinnett County	588,448	596,806	8,358	1.40
Hawaii	1,211,537	1,238,284	26,747	2.16
Honolulu County	876,156	894,559	18,403	2.06
Illinois	12,419,293	12,527,025	107,732	0.86
Cook County	5,376,741	5,453,560	76,819	1.41
DuPage County	904,161	907,141	2,980	0.33
Lake County	644,356	647,892	3,536	0.55
Will County	502,266	503,952	1,686	0.33
Indiana	6,080,485	6,127,668	47,183	0.77
Marion County	860,454	868,891	8,437	0.97
Kentucky	4,041,769	4,092,102	50,333	1.23
Jefferson County	693,604	701,961	8,357	1.19
Maryland	5,296,486	5,371,690	75,204	1.40
Baltimore City5	651,154	664,993	13,839	2.08
Baltimore County	754,292	763,672	9,380	1.23
Montgomery County	873,341	885,453	12,112	1.37
Prince George's County	801,515	817,093	15,578	1.91
Massachusetts	6,349,097	6,397,720	48,623	0.76
Bristol County	534,678	537,658	2,980	0.55
Essex County	723,419	728,856	5,437	0.75
Middlesex County	1,465,396	1,474,743	9,347	0.63
Norfolk County	650,308	653,016	2,708	0.41
Suffolk County	689,807	701,348	11,541	1.65
Worcester County	750,963	755,887	4,924	0.65
Michigan	9,938,444	10,009,512	71,068	0.71
Kent County	574,335	577,662	3,327	0.58
Macomb County	788,149	790,664	2,515	0.32
Oakland County	1,194,156	1,200,981	6,825	0.57
Wayne County	2,061,162	2,091,394	30,232	1.45
Minnesota	4,919,479	4,933,787	14,308	0.29
Hennepin County	1,116,200	1,123,958	7,758	0.69
Ramsey County	511,035	513,913	2,878	0.56
Missouri	5,595,211	5,621,068	25,857	0.46
Jackson County	654,880	661,305	6,425	0.97
St. Louis County	1,016,315	1,022,272	5,957	0.58
Nevada	1,998,257	2,032,401	34,144	1.68
Clark County	1,375,765	1,396,215	20,450	1.46
New Jersey	8,414,350	8,512,241	97,891	1.15
Bergen County	884,118	892,354	8,236	0.92
Camden County	508,932	513,949	5,017	0.98
Essex County	793,633	808,624	14,991	1.85
Hudson County	608,975	622,595	13,620	2.19
Middlesex County	750,162	758,371	8,209	1.08
Monmouth County	615,301	620,014	4,713	0.76
Ocean County	510,916	514,011	3,095	0.60
Union County	522,541	529,612	7,071	1.34
New Mexico	1,819,046	1,855,034	35,988	1.94
Bernalillo County	556,678	564,539	7,861	1.39
New York	18,976,457	19,185,580	209,123	1.09
Bronx County	1,332,650	1,369,358	36,708	2.68
Erie County	950,265	955,016	4,751	0.50
Kings County	2,465,326	2,508,872	43,546	1.74
Monroe County	735,343	739,316	3,973	0.54
Nassau County	1,334,544	1,332,925	-1,619	-0.12
New York County	1,537,195	1,567,060	29,865	1.91
Queens County	2,229,379	2,257,703	28,324	1.25
Richmond County6	443,728	445,203	1,475	0.33
Suffolk County	1,419,369	1,416,194	-3,175	-0.22
Westchester County	923,459	928,775	5,316	0.57
North Carolina	8,049,313	8,160,293	110,980	1.36
Mecklenburg County	695,454	707,386	11,932	1.69
Wake County	627,846	637,077	9,231	1.45
Ohio	11,353,140	11,418,224	65,084	0.57
Cuyahoga County	1,393,978	1,407,137	13,159	0.94
Franklin County	1,068,978	1,077,965	8,987	0.83
Hamilton County	845,303	852,737	7,434	0.87
Montgomery County	559,062	563,089	4,027	0.72
Summit County	542,899	545,497	2,598	0.48
Oklahoma	3,450,654	3,499,649	48,995	1.40
Oklahoma County	660,448	671,690	11,242	1.67
Tulsa County	563,299	571,988	8,689	1.52
Oregon	3,421,399	3,465,410	44,011	1.27
Multnomah County	660,486	666,731	6,245	0.94
Pennsylvania	12,281,054	12,382,591	101,537	0.82
Allegheny County	1,281,666	1,287,406	5,740	0.45
Bucks County	597,635	600,363	2,728	0.45
Delaware County	550,864	554,354	3,490	0.63
Montgomery County	750,097	754,000	3,903	0.52
Philadelphia County	1,517,550	1,536,930	19,380	1.26
Rhode Island	1,048,319	1,057,306	8,987	0.85
Providence County	621,602	625,596	3,994	0.64
Tennessee	5,689,283	5,760,133	70,850	1.23
Davidson County	569,891	578,765	8,874	1.53
Shelby County	897,472	912,769	15,297	1.68
Texas	20,851,820	21,225,387	373,567	1.52
Bexar County	1,392,931	1,419,991	27,060	1.33
Dallas County	2,218,899	2,266,128	47,229	0.89
El Paso County	679,622	693,922	14,300	1.59
Harris County	3,400,578	3,472,170	71,592	1.37
Hidalgo County	569,463	583,365	13,902	1.81
Tarrant County	1,446,219	1,470,880	24,661	1.22
Travis County	812,280	828,012	15,732	1.15
Utah	2,233,169	2,263,729	30,560	1.35
Salt Lake County	898,387	907,947	9,560	1.05
Virginia	7,078,515	7,173,928	95,413	1.33
Fairfax County	969,749	981,909	12,160	1.24
Washington	5,894,121	5,978,417	84,296	1.41
King County	1,737,034	1,757,102	20,068	1.14
Pierce County	700,820	709,038	8,218	1.16
Snohomish County	606,024	611,706	5,682	0.93
Wisconsin	5,363,675	5,401,485	37,810	0.70
Milwaukee County	940,164	951,412	11,248	1.18

¹Source: U.S. Census Bureau, Census 2000 Redistricting Data (P.L. 94-171) Summary File, Table 1.
²Equals unadjusted population count plus undercount.
³Equals adjusted minus unadjusted 2000 population projections.
⁴Undercount as a percent of adjusted population. U.S. Census Bureau and Dr. Eugene Ericksen, "Estimates of State and County Undercount Rates," May 1, 2001.
⁵Baltimore City is an independent city (i.e., it is independent of any county organization).
⁶Richmond County is included in order to comprise the 5 counties of New York City.