Barangay Profile

Barangay Rizal Ibaba

Unisan, Quezon, Region IV-A

PSGC 0405649031 ZIP 4305
289 Population
32nd of 36 By Population
92.8 m Elevation
4305 ZIP Code
Philippines CALABARZON Quezon Unisan Barangays Rizal Ibaba
Direct Answer

Barangay Rizal Ibaba is a barangay in Unisan, Quezon, in the CALABARZON (Region IV-A) of the Philippines. Registered under PSGC code 0405649031 with ZIP code 4305, it had a 2020 Census population of 289. That makes it the 32nd most populous of Unisan's 36 barangays (1.1% of the municipal total of 25,357). It sits at about 92.8 m above sea level at coordinates 13.9015, 122.0091.

Overview

Barangay Rizal Ibaba is a local community situated within Unisan, Quezon. Serving as the primary administrative building block of local governance, it connects local residents directly to municipal public services, community development, and regional infrastructure networks.

Demographics & Population Trends

Insights into growth, age distributions, and household composition.

Historical Population Growth

Barangay Rizal Ibaba is tracked across every census round conducted by the Philippine Statistics Authority. The table and bar chart below trace its recorded population from 1990 to 2020, together with the annualized growth rate and net population change between counts. Read side by side, they show whether Rizal Ibaba is expanding, contracting, or holding steady within Unisan, a signal that informs housing demand, school-age population, and the delivery of local public services.

Census Date Population Growth Net
1990 May 1 153 — —
1995 Sep 1 176 +2.66% 23
2000 May 1 194 +2.11% 18
2007 Aug 1 202 +0.56% 8
2010 May 1 246 +7.44% 44
2015 Aug 1 279 +2.43% 33
2020 May 1 289 +0.74% 10
153
176
194
202
246
279
289
1990
1995
2000
2007
2010
2015
2020

Age Distribution (2015 Census)

The age profile of Barangay Rizal Ibaba is drawn from the 2015 Census and grouped into five-year age bands. The table and bar chart below show how residents split across the young dependent population, the working-age population, and older residents, the balance that drives the local dependency ratio and median age. A community weighted toward working-age adults points to a wider labor force, while a broad base of children signals future demand for schools, health centers, and youth programs in Unisan.

Age Group Population Share
Under 1 7 2.51%
1 to 4 23 8.24%
5 to 9 26 9.32%
10 to 14 31 11.11%
15 to 19 30 10.75%
20 to 24 28 10.04%
25 to 29 24 8.6%
30 to 34 19 6.81%
35 to 39 18 6.45%
40 to 44 16 5.73%
45 to 49 15 5.38%
50 to 54 14 5.02%
55 to 59 13 4.66%
60 to 64 3 1.08%
65 to 69 5 1.79%
70 to 74 1 0.36%
75 to 79 5 1.79%
80 and over 1 0.36%
Under 1
7
1 to 4
23
5 to 9
26
10 to 14
31
15 to 19
30
20 to 24
28
25 to 29
24
30 to 34
19
35 to 39
18
40 to 44
16
45 to 49
15
50 to 54
14
55 to 59
13
60 to 64
3
65 to 69
5
70 to 74
1
75 to 79
5
80 and over
1
87

Young population (0-14) · 31.18%

180

Working-age population (15-64) · 64.52%

12

Older population (65+) · 4.3%

Household Trends

Household formation in Barangay Rizal Ibaba is measured each census through the number of households and the average household size. The table and bar chart below plot how the household count has moved across the years. A rising number of households alongside a falling average size usually reflects smaller family units and new home formation, while a steady average size suggests multigenerational living remains common. These figures help gauge local housing stock, utility demand, and the pace of residential development in Unisan.

Census Date Households Avg. Size
1990 May 1 35 4.37
1995 Sep 1 41 4.29
2000 May 1 45 4.31
2007 Aug 1 49 4.12
2010 May 1 53 4.64
2015 Aug 1 63 4.43
35
41
45
49
53
63
1990
1995
2000
2007
2010
2015

Location & Environment

Geographic coordinates, comparative elevation, and environmental risk profile.

32nd of 36

Relative rank among Unisan's barangays by 2020 population.

92.8 m Elevation

Elevation profile, compared to the 25.5 m municipal median.

Barangay Rizal Ibaba is located at approximately 13.9015, 122.0091 (13°54'05" N, 122°00'33" E) on Luzon , roughly 92.8 meters above sea level.

Hazard Profile & Risk Context

Typhoon

CALABARZON lies along the main track of Pacific tropical cyclones and sees frequent typhoon passage during the June to November season.

High
Earthquake

CALABARZON is seismically active, with movement along nearby faults and trenches capable of producing strong earthquakes.

High
Flooding

Localized flooding can occur during heavy rainfall, depending on drainage and proximity to rivers and low ground.

Moderate

General planning context derived from topographic models. Refer to PHIVOLCS and municipal DRRMO advisories for official disaster risk mapping.

Governance & Administrative Record

Local administration setup and statutory registry parameters.

As the primary administrative tier in the Philippines, Barangay Rizal Ibaba in municipality of Unisan, province of Quezon is led by an elected Punong Barangay alongside a Sangguniang Barangay composed of seven elected council members. The barangay council oversees neighborhood disputes via the Lupong Tagapamayapa, enacts local ordinances, and maintains peace and public safety.

Official Registry

PSGC Statutory Data Sheet

Barangay Name Rizal Ibaba
PSGC Code 0405649031
Population (2020) 289
Rank in Municipality 32nd of 36
Coordinates 13.9015, 122.0091 (13°54'05" N, 122°00'33" E)
Elevation 92.8 m above sea level
City / Municipality Unisan
Province Quezon
Region CALABARZON
ZIP Code 4305

Surrounding Area & Local Culture

Nearby communities, cultural landmarks, and local services in Unisan.

Local Directory

Businesses & Services in Unisan

Verified hotels, restaurants, healthcare providers, financial services, and professional firms serving Barangay Rizal Ibaba and the wider Unisan area.

12 Businesses Listed

Frequently Asked Questions

Where is Barangay Rizal Ibaba located?

Barangay Rizal Ibaba is a barangay in Unisan, Quezon, in the CALABARZON (Region IV-A) of the Philippines. Registered under PSGC code 0405649031 with ZIP code 4305, it had a 2020 Census population of 289. That makes it the 32nd most populous of Unisan's 36 barangays (1.1% of the municipal total of 25,357). It sits at about 92.8 m above sea level at coordinates 13.9015, 122.0091.

What is the population of Barangay Rizal Ibaba?

289 as of the 2020 Census, the 32nd largest of Unisan's 36 barangays (1.1% of the municipal total).

What is the PSGC code of Barangay Rizal Ibaba?

The PSGC code is 0405649031, a nine-digit identifier in the PSA classification.

What is the ZIP code of Barangay Rizal Ibaba?

ZIP 4305, covering Unisan and its barangays.

How many barangays does Unisan have?

36 barangays per the PSA PSGC 1Q 2026 release.

Notes & Data Sources

  • Administrative boundaries sourced from the PSA PSGC 1Q 2026 dataset release.
  • Population figures and geographical metrics are integrated from official PhilAtlas and PSA Census records.