Ancestry

Top counties by population: British

Counties and county equivalents with the largest allocated community estimates.

How to read this list: These are population-weighted ZIP allocation estimates; decimal values are expected. Rankings are among counties and county equivalents published for this community.
Top 100
Standard competition ranking; ties share a rank.
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RankPlaceEstimated communityLocal representationEligible universe
#1Los Angeles County, 06 30,454.00.3104% #1 of 3,023
#2Maricopa County, 04 21,172.70.4718% #2 of 3,023
#3King County, 53 17,100.80.7499% #3 of 3,023
#4San Diego County, 06 15,711.90.4727% #4 of 3,023
#5Salt Lake County, 49 15,699.51.3193% #5 of 3,023
#6Harris County, 48 15,162.80.3167% #6 of 3,023
#7Cook County, 17 11,642.00.2250% #7 of 3,023
#8Orange County, 06 10,818.80.3468% #8 of 3,023
#9New York County, 36 10,597.60.6534% #9 of 3,023
#10Utah County, 49 8,945.71.2658% #10 of 3,023
#11Tarrant County, 48 8,921.20.4265% #11 of 3,023
#12Travis County, 48 8,470.60.6096% #12 of 3,023
#13Dallas County, 48 7,987.80.3041% #13 of 3,023
#14Kings County, 36 7,7230.2935% #14 of 3,023
#15Santa Clara County, 06 7,663.90.3909% #15 of 3,023
#16Middlesex County, 25 7,555.50.4619% #16 of 3,023
#17Riverside County, 06 7,314.80.2932% #17 of 3,023
#18Clark County, 32 7,1650.3077% #18 of 3,023
#19Multnomah County, 41 6,987.20.8508% #19 of 3,023
#20Hillsborough, 12 6,925.30.4502% #20 of 3,023
#21Alameda County, 06 6,853.70.4247% #21 of 3,023
#22Fairfax County, 51 6,765.20.5852% #22 of 3,023
#23Wake County, 37 6,678.50.6091% #23 of 3,023
#24Sacramento County, 06 6,485.10.4090% #24 of 3,023
#25Pima County, 04 6,225.20.5951% #25 of 3,023
#26Broward County, 12 6,0780.3074% #26 of 3,023
#27Franklin County, 39 6,048.30.4698% #27 of 3,023
#28Contra Costa County, 06 5,909.90.4888% #28 of 3,023
#29Montgomery County, 24 5,713.50.5326% #29 of 3,023
#30Bexar County, 48 5,701.20.2788% #30 of 3,023
#31Fulton County, 13 5,658.90.5304% #31 of 3,023
#32Pinellas County, 12 5,653.90.5867% #32 of 3,023
#33Pierce County, 53 5,643.20.6056% #33 of 3,023
#34Orange County, 12 5,555.90.3791% #34 of 3,023
#35Collin County, 48 5,374.40.4623% #35 of 3,023
#36Palm Beach County, 12 5,212.90.3436% #36 of 3,023
#37District of Columbia, 11 5,1140.7506% #37 of 3,023
#38Denton County, 48 5,099.60.5251% #38 of 3,023
#39San Francisco County, 06 4,975.90.5989% #39 of 3,023
#40Mecklenburg County, 37 4,915.10.4258% #40 of 3,023
#41Miami-Dade County, 12 4,865.20.1784% #41 of 3,023
#42Hennepin County, 27 4,733.20.3717% #42 of 3,023
#43Davis County, 49 4,648.71.2353% #43 of 3,023
#44Oakland County, 26 4,641.20.3666% #44 of 3,023
#45Snohomish County, 53 4,573.70.5380% #45 of 3,023
#46San Mateo County, 06 4,351.90.5986% #46 of 3,023
#47Duval County, 12 4,263.60.4198% #47 of 3,023
#48Denver County, 08 4,245.80.6115% #48 of 3,023
#49Westchester County, 36 4,234.60.4237% #49 of 3,023
#50San Bernardino County, 06 4,176.00.1929% #50 of 3,023
#51El Paso County, 08 3,997.20.5454% #51 of 3,023
#52Davidson County, 47 3,976.80.5591% #52 of 3,023
#53Sonoma County, 06 3,843.30.8222% #53 of 3,023
#54Cobb County, 13 3,773.80.4990% #54 of 3,023
#55Washington County, 41 3,765.40.6596% #55 of 3,023
#56Cuyahoga County, 39 3,730.70.2999% #56 of 3,023
#57Lane County, 41 3,706.70.9672% #57 of 3,023
#58Allegheny County, 42 3,688.60.2973% #58 of 3,023
#59Williamson County, 48 3,603.20.5806% #59 of 3,023
#60Oklahoma County, 40 3,566.10.4469% #60 of 3,023
#61Jefferson County, 08 3,561.90.6268% #61 of 3,023
#62Western Connecticut Planning Region, 09 3,548.30.5660% #62 of 3,023
#63Clark County, 53 3,488.20.6843% #63 of 3,023
#64Ventura County, 06 3,425.60.3941% #64 of 3,023
#65Clackamas County, 41 3,421.40.7677% #65 of 3,023
#66DeKalb County, 13 3,411.20.4379% #66 of 3,023
#67Johnson County, 20 3,399.00.5489% #67 of 3,023
#68Ada County, 16 3,393.20.6946% #68 of 3,023
#69Lee County, 12 3,383.40.4286% #69 of 3,023
#70Norfolk County, 25 3,309.20.4519% #70 of 3,023
#71Philadelphia County, 42 3,276.40.2081% #71 of 3,023
#72Montgomery County, 48 3,273.30.4921% #72 of 3,023
#73Greenville County, 45 3,262.10.5912% #73 of 3,023
#74Boulder County, 08 3,255.90.9854% #74 of 3,023
#75Arapahoe County, 08 3,252.20.4995% #75 of 3,023
#76Placer County, 06 3,246.80.7628% #76 of 3,023
#77Brevard County, 12 3,2340.5114% #77 of 3,023
#78Fort Bend County, 48 3,224.90.3615% #78 of 3,023
#79St. Louis County, 29 3,194.80.3223% #79 of 3,023
#80Bernalillo County, 35 3,160.10.4696% #80 of 3,023
#81Wayne County, 26 3,159.90.1817% #81 of 3,023
#82Marion County, 18 3,113.00.3224% #82 of 3,023
#83Marin County, 06 3,058.21.1141% #83 of 3,023
#84DuPage County, 17 2,997.50.3173% #84 of 3,023
#85Jefferson County, 21 2,994.10.3895% #85 of 3,023
#86Anne Arundel County, 24 2,973.80.4927% #86 of 3,023
#87Hamilton County, 39 2,968.70.3581% #87 of 3,023
#88Tulsa County, 40 2,959.60.4578% #88 of 3,023
#89Dane County, 55 2,926.90.5085% #89 of 3,023
#90Montgomery County, 42 2,923.50.3378% #90 of 3,023
#91Chester County, 42 2,883.80.5250% #91 of 3,023
#92Gwinnett County, 13 2,800.40.3013% #92 of 3,023
#93Santa Barbara County, 06 2,787.30.6515% #93 of 3,023
#94Monroe County, 36 2,763.60.3678% #94 of 3,023
#95Seminole County, 12 2,743.40.5722% #95 of 3,023
#96Sarasota County, 12 2,731.90.5899% #96 of 3,023
#97St. Johns County, 12 2,723.70.8735% #97 of 3,023
#98Loudoun County, 51 2,622.50.6008% #98 of 3,023
#99Baltimore County, 24 2,604.70.2975% #99 of 3,023
#100Worcester County, 25 2,603.10.2992% #100 of 3,023

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