Table 5. Socio-economical status and environmental factors in Dongdaemun-gu

Administrative division	Area (km2)	Population number(inh.)	Percentage of green space(%)*	Percentage of building coverage (%)	Percentage of impermeable pavement(%)	Tree canopy (m2)	Individuals aged ≥ 65 years(inh.)	Basic living recipient(inh.)
Hoegi-dong	0.76	12,521	33.9	44.3	18.9	4,474	1,417	147
Hwigyeong 1-dong	0.63	14,589	9.0	60.0	21.1	7,241	2,134	312
Hwigyeong 2-dong	1.05	25,205	33.0	32.3	29.0	9,171	3,360	343
Cheongnyangni-dong	1.20	23,063	33.5	37.4	26.2	13,176	4,900	1,037
Yongsin-dong	1.61	32,957	11.8	44.1	39.9	25,077	5,393	1,000
Jegi-dong	1.18	27,770	8.1	46.8	43.0	26,166	5,105	889
Jeonnong 1-dong	1.19	29,916	8.3	46.4	35.5	20,001	4,983	1,126
Jeonnong 2-dong	0.86	20,436	34.9	34.8	21.0	5,737	3,138	473
Dapsimni 2-dong	0.85	29,722	23.9	38.9	35.4	11,491	4,761	765
Jangan 1-dong	1.25	39,593	16.4	40.5	40.7	18,441	5,282	739
Jangan 2-dong	1.09	31,447	20.5	41.3	35.8	10,060	4,106	630
Imun 1-dong	1.04	31,172	16.6	57.2	18.1	8,846	4,431	696
Imun 2-dong	0.69	22,454	22.9	39.8	22.9	6,933	3,383	565
Dapsimni 1-dong	0.81	25,166	15.5	38.0	44.8	23,487	3,325	490

The number also included area of lakes, marshes and rivers