いも類文化学ノート 『アメリカ、サツマイモ事情』	The Other Potato: Sweetpotatoes in the USA
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1997 Census of Agriculture

Volume 1: National, State, and County Tables
(released March 1999)

USA Sweetpotato Data

(Acrobat Reader (free) is necessary to access Census data links below)

Ranked below are the primary sweetpotato growing states which account for 99% of US sweetpotato production. Also ranked are the four main sweetpotato producing regions where 20 counties account for 78% of US total production. Click on the map for more details.
National (Census page reference)		number of farms	%	hectares harvested	%	metric tons harvested	%
United States (p. 16)		1,770	100	31,320	100	518,000	100
11 top producing states		1,436	81	30,860	99	511,900	99
20 top producing counties		564	32	24,400	78	413,400	80

Region 2: North Carolina accounts for 38% of the sweetpotato acreage harvested in the US, with its top six counties accounting for 30% of the US harvest. The map and chart show the top counties' national rankings.
US ranking, State name	Census file size (page reference)	number of farms	hectares harvested	metric tons harvested
1) North Carolina	3.2 MB (p. 351)	512	11,760	205,100
Main Counties:	1) Nash	28	2,900	52,560
	3) Johnston	88	2,500	48,230
	6) Wilson	26	1,410	25,230
	7) Sampson	25	1,400	25,130
	17) Wayne	15	570	6,860
	18) Columbus	44	540	9,310
	Subtotal:	226	9,310	167,300
% of total North Carolina figures:		44%	79%	82%

Region 1: Four-state sweetpotato belt along the Gulf of Mexico The four states below harvested 46% of the USA sweetpotato acreage. This region's main sweetpotato counties, accounting for 39% of the US harvest, are shown with their national rankings.
US ranking, State name	Census file size (page reference)	number of farms	hectares harvested	metric tons harvested
2) Louisiana	2.0 MB (p. 239)	138	7,480	122,800
Main Counties:	5) West Carroll	36	2,110	35,910
	8) Morehouse	8	1,290	19,100
	9) Avoyelles	36	1,160	21,400
	10) Evangeline	13	820	10,210
	13) St. Landry	15	720	9,880
3) Mississippi	2.5 MB (p. 290)	68	3,580	46,800
Main Counties:	2) Calhoun	29	2,600	33,110
	14) Chickasaw	17	700	10,590
5) Texas	7.8 MB (p. 888)	92	1,990	31,840
Main Counties:	12) Van Zandt	26	730	13,300
	16) Wood	16	580	8,380
	19) Rains	9	380	7,200
6) Alabama	2.1 MB (p. 241)	112	1,410	19,260
Main Counties:	11) Baldwin	16	750	9,720
	20) Cullman	35	330	5,530

Region 3: California accounts for 9% of the sweetpotato acreage harvested in the US. Merced County accounts for 82% of California's sweetpotato harvest, and is the USA's fourth ranking sweetpotato county.
US ranking, State name	Census file size (page reference)	number of farms	hectares harvested	metric tons harvested
4) California	2.3 MB (p. 224)	100	2,840	59,960
Main County:	4) Merced	72	2,320	51,190

Region 4: Florida accounts for 2% of the sweetpotato acreage harvested in the US. Dade County accounts for 93% of Florida's sweetpotato harvest, and is the USA's 15th ranking sweetpotato county.
US ranking, State name	Census file size (page reference)	number of farms	hectares harvested	metric tons harvested
7) Florida	2.2 MB (p. 240)	36	640	11,090
Main County:	15) Dade	10	590	10,570

The four states below account for 21% of US sweetpotato farms, harvesting 4% of the US sweetpotato acreage.
US ranking, State name	Census file size (page reference)	number of farms	hectares harvested	metric tons harvested
8) New Jersey	0.8 MB (p. 85)	76	360	4,490
Main County:	Atlantic	20	130	1,780
9) South Carolina	1.5 MB (p. 164)	112	300	3,600
Main County:	Horry	24	140	2,060
10) Georgia	4.6 MB (p. 526)	87	270	4,070
Main County:	Bibb	3	6	90
11) Virginia	3.1 MB (p. 349)	103	250	2,870
Main County:	Accomack	13	160	2,250

Copyright by Barry Duell, 1999. Updated September 6, 2000.

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