DORCHESTER.

Slaves.F. Col.White.Total.
1790 5,377 528 10,010 15,875
1800 4,566 2,365 9,415 16,346
1810 5,032 2,661 10,415 18,108
1820 5,168 2,497 10,094 17,759
1830 5,001 3,000 10,685 18,686
1840 4,232 3,965 10,612 18,809

WORCESTER.

Slaves.F. Col.White.Total.
1790 3,836 178 7,626 11,640
1800 4,398 449 11,523 16,370
1810 4,427 1,054 11,490 16,971
1820 4,551 1,636 11,234 17,421
1830 4,032 2,430 10,197 16,659
1840 3,543 3,063 11,647 18,253

ALLEGANY.

Slaves.F. Col.White.Total.
1790 258 12 4,539 4,809
1800 499 101 5,703 6,303
1810 620 113 6,176 6,909
1820 795 195 7,664 8,654
1830 818 222 9,569 10,609
1840 811 216 14,677 15,704

WASHINGTON.

Slaves.F. Col.White.Total.
1790 1,286 64 14,472 15,822
1800 2,200 342 16,108 18,650
1810 2,656 483 15,591 18,730
1820 3,201 627 19,247 23,075
1830 2,909 1,084 21,275 25,268
1840 2,505 1,556 24,801 28,862

FREDERICK.

Slaves.F. Col.White.Total.
1790 3,641 213 26,937 30,791
1800 4,572 473 26,478 31,523
1810 5,671 783 27,983 34,437
1820 6,555 1,777 32,097 40,459
1830 6,370 2,716 36,703 45,789