Qi County 杞县 County Qixian Location in Henan Coordinates: 34°30′N 114°45′E﻿ / ﻿34.500°N 114.750°E﻿ / 34.500; 114.750Coordinates: 34°30′N 114°45′E﻿ / ﻿34.500°N 114.750°E﻿ / 34.500; 114.750 Country People's Republic of China Province Henan Prefecture Kaifeng County seat Chengguan (城关镇) Area • Total 1,243 km2 (480 sq mi) Population • Total 1,050,000 • Density 840/km2 (2,200/sq mi) Time zone China Standard (UTC+8) Postal code 475200 Area code(s) 0378 Website zgqx.gov.cn