See What Is Imo State Population Below….

Owerri, Nigeria (Administrative unit: Imo) – last known population is ≈ 715 800 (year 2015). This was 0.393% of total Nigeria population. If population growth rate would be same as in period 2006-2015 (+16.04%/year), Owerri population in 2018 would be: 1 118 489