1992 CENSUS OF AGRICULTURE HIGHLIGHTS OF AGRICULTURE: 1992 AND 1987 CONTRA COSTA COUNTY, CALIFORNIA Item ALL FARMS 1992 1987 Farms .........................number.. 675 840 Land in farms ..................acres.. 163 036 200 262 Average size of farm .......acres.. 242 238 Value of land and buildings@1: Average per farm .........dollars.. 754 061 475 373 Average per acre .........dollars.. 3 124 2 213 Estimated market value of all machinery and equipment@1 Average per farm .........dollars.. 32 752 25 160 Farms by size: 1 to 9 acres ........................ 255 336 10 to 49 acres ...................... 196 225 50 to 179 acres ..................... 103 123 180 to 499 acres .................... 53 73 500 to 999 acres .................... 31 30 1,000 acres or more ................. 37 53 Total cropland .................farms.. 455 598 acres.. 52 091 53 935 Harvested cropland ...........farms.. 361 476 acres.. 28 867 30 267 Irrigated land .................farms.. 303 385 acres.. 23 759 25 240 Market value of agricultural products sold................$1,000.. 54 001 52 439 Average per farm .........dollars.. 80 001 62 428 Crops, including nursery and greenhouse crops............$1,000.. 40 183 38 680 Livestock, poultry, and their products....................$1,000.. 13 818 13 760 Farms by value of sales: Less than $2,500 .................... 304 320 $2,500 to $4,999 .................... 81 117 $5,000 to $9,999 .................... 74 97 $10,000 to $24,999 .................. 68 125 $25,000 to $49,999 .................. 44 53 $50,000 to $99,999 .................. 39 50 $100,000 or more .................... 65 78 Total farm production expenses.$1,000.. 45 223 41 740 Average per farm .........dollars.. 66 998 49 750 Net cash return from agricultural sales for the farm unit.......farms.. 675 839 $1,000.. 7 521 11 949 Average per farm..........dollars.. 11 143 14 242 Operators by principal occupation: Farming ............................. 336 336 Other ............................... 339 504 Operators by days worked off farm: Any ................................. 381 530 200 days or more ................... 249 367 Livestock and poultry: Cattle and calves inventory...farms.. 188 260 number.. 30 050 36 125 Beef cows ..................farms.. 155 201 number.. (D) 14 126 Milk cows ..................farms.. 6 14 number.. (D) 2 367 Cattle and calves sold .......farms.. 171 247 number.. 16 334 20 314 Hogs and pigs inventory ......farms.. 22 32 number.. 290 448 Hogs and pigs sold ...........farms.. 24 36 number.. 445 1 847 Sheep and lambs inventory ....farms.. 27 39 number.. 734 637 Chickens 3 months old or older inventory.............farms.. 38 85 number.. 667 16 043 Broilers and other meat-type chickens sold...............farms.. 1 0 number.. (D) 0 Selected crops harvested: Wheat for grain ..............farms.. 11 20 acres.. 3 609 2 555 bushels.. 167 149 118 291 Barley for grain..............farms.. 4 6 acres.. (D) 961 bushels.. (D) 67 314 Rice..........................farms.. 0 1 acres.. 0 (D) cwt.. 0 (D) Cotton .......................farms.. 0 0 acres.. 0 0 bales.. 0 0 Hay-alf, other, wild, silage..farms.. 77 107 acres.. 9 584 9 065 tons, dry.. 31 439 23 687 Vegetables harvested..........farms.. 29 34 acres.. 6 331 5 764 Land in orchards..............farms.. 241 313 acres.. 5 420 6 682 @1Data are based on a sample of farms. Legend: - Represents zero (D) Withheld to avoid disclosing data for individual farms (X) Not applicable (Z) Less than half the unit shown (NA) Not available Source: 1992 Census of Agriculture, Volume 1 Geographic Area Series, "Table 1. County Summary Highlights: 1992." This electronic series presents summary statistics for each county and state together with comparable data from the 1987 census. The items included are the same for all states and counties, except selected crops harvested, which vary by state. Data for 1992 and 1987 are directly comparable for acreage and inventories. Dollar values have not been adjusted for changes in price levels. You can obtain the Volume 1 Geographic Area Series from the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402. If you have any questions concerning the data in this report or need additional information or order forms for agriculture publications, please call Agriculture Division, Bureau of the Census, at 1-800-523-3215. .