Steve Pierson and Jonathan Auerbach of the American Statistical Association (ASA) compiled the 25 area census offices (ACO) with the farthest yet to go in completing household responses for the 2020 Census, as of September 29, 2020. They noted that 19 of these bottom 25 are from nine southeastern predominantly Republican states: Alabama, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, and Tennessee.
| ACO # | Name | State | Percentage Complete |
| 2991 | Shreveport | LA | 73.7 |
| 3110 | Window Rock | AZ | 75.6 |
| 2981 | Columbus | GA | 81.4 |
| 2906 | Mobile | AL | 83.5 |
| 2904 | Birmingham | AL | 83.9 |
| 2902 | Jackson | MS | 84.8 |
| 2976 | Pensacola | FL | 85.2 |
| 2985 | Gwinnett County | GA | 85.9 |
| 2905 | Huntsville | AL | 86.8 |
| 2907 | Charleston | SC | 87 |
| 2994 | Durham | NC | 87.3 |
| 3156 | Colorado Springs | CO | 87.5 |
| 2908 | Columbia | SC | 87.7 |
| 2983 | Douglasville | GA | 88.3 |
| 2971 | Lakeland | FL | 88.3 |
| 2979 | Tampa | FL | 88.9 |
| 2977 | Seminole County | FL | 89.3 |
| 2376 | Philadelphia – Penn | PA | 89.3 |
| 3160 | Billings | MT | 89.5 |
| 2998 | Winston-Salem | NC | 90.4 |
| 3168 | Tulsa | OK | 90.4 |
| 3108 | Maricopa West | AZ | 90.5 |
| 2381 | Memphis | TN | 90.6 |
| 2996 | Greenville, NC | NC | 90.6 |
| 2358 | Louisville | KY | 90.8 |
The Census Project 