Barangay Iba O'Este

Barangay Iba O'Este forms part of Calumpit, a municipality in Bulacan, and is classified as a large barangay.

According to the 2020 Philippine census, Barangay Iba O'Este had a population of 14,085. This made it the 1st largest of 29 barangays in Calumpit by population, placing it among the most populous barangays of the municipality. Residents of Barangay Iba O'Este accounted for approximately 11.89% of the total population of Calumpit, which stood at 118,471 in the same census year.

The barangay recorded 12,359 residents in the 2015 intercensal count and 14,085 residents in the 2020 Census — a net change of +14.0%, consistent with a growing settlement. Barangay Iba O'Este is officially classified as urban, reflecting the density and built-up character of the area.

Calumpit is a municipality comprising 29 barangays, and serves as the governing unit directly responsible for local services in Barangay Iba O'Este, including public health, sanitation, peace and order, and civil registration. Within the wider province of Bulacan, which contains 569 barangays across its component cities and municipalities, Barangay Iba O'Este ranks 43rd by 2020 population. Bulacan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Iba O'Este is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.