Table 3. Socio-economical status and environmental factors in Jung-gu

Administrative division	Area (km2)	Population number(inh.)	Percentage of green space(%)*	Percentage of building coverage(%)	Percentage of impermeable pavement(%)	Street tree canopy(m2)	Individuals aged ≥ 65 years(inh.)	Basic living recipient(inh.)
Sogong-dong	0.95	2,787	19.5	30.7	45.9	35,786	257	15
Hoehyeon-dong	0.84	5,953	19.0	38.2	41.6	22,786	1,369	466
Myeong-dong	0.99	3,469	7.7	47.8	41.9	35,462	662	49
Pil-dong	1.14	4,885	54.6	23.2	21.0	9,837	780	71
Jangchung-dong	1.36	5,648	41.9	28.2	26.8	11,358	756	76
Gwanghui-dong	0.74	5,875	3.5	50.7	42.0	13,597	1,103	128
Euljiro-dong	0.6	1,786	6.0	45.7	45.7	21,192	446	82
Sindang 5-dong	0.39	9,830	14.6	43.9	41.2	3,467	1,486	254
Hwanghak-dong	0.33	13,095	5.0	55.2	38.0	3,586	1,760	315
Jungnim-dong	0.48	11,575	19.4	40.1	39.8	14,807	1,730	421
Sindang-dong	0.55	9,544	5.2	44.7	47.9	12,957	1,274	203
Dasan-dong	0.51	15,399	7.1	65.8	27.1	5,584	2,392	303
Yaksu-dong	0.48	18,400	27.4	31.4	38.8	2,740	3,329	521
Cheonggu-dong	0.34	14,999	17.8	43.8	36.3	2,708	2,412	432
Dongwha-dong	0.26	11,348	19.0	41.0	40.0	1,309	1,628	126

The number also included area of lakes, marshes and rivers