Barangay Profile

Barangay Marahan I

Alfonso, Cavite, Region IV-A

PSGC 0402101012 ZIP 4123
3,088 Population
3rd of 32 By Population
423.3 m Elevation
4123 ZIP Code
Philippines CALABARZON Cavite Alfonso Barangays Marahan I
Direct Answer

Barangay Marahan I is a barangay in Alfonso, Cavite, in the CALABARZON (Region IV-A) of the Philippines. Registered under PSGC code 0402101012 with ZIP code 4123, it had a 2020 Census population of 3,088. That makes it the 3rd most populous of Alfonso's 32 barangays (5.1% of the municipal total of 60,583). It sits at about 423.3 m above sea level at coordinates 14.1323, 120.8467.

Overview

Barangay Marahan I is a local community situated within Alfonso, Cavite. 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 Marahan I 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 Marahan I is expanding, contracting, or holding steady within Alfonso, a signal that informs housing demand, school-age population, and the delivery of local public services.

Census Date Population Growth Net
1990 May 1 — — —
1995 Sep 1 1,699 — —
2000 May 1 1,966 +3.18% 267
2007 Aug 1 2,431 +2.97% 465
2010 May 1 2,591 +2.35% 160
2015 Aug 1 2,700 +0.79% 109
2020 May 1 3,088 +2.87% 388
1,699
1,966
2,431
2,591
2,700
3,088
1995
2000
2007
2010
2015
2020

Age Distribution (2015 Census)

The age profile of Barangay Marahan I 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 Alfonso.

Age Group Population Share
Under 1 29 1.07%
1 to 4 208 7.7%
5 to 9 264 9.78%
10 to 14 279 10.33%
15 to 19 256 9.48%
20 to 24 222 8.22%
25 to 29 201 7.44%
30 to 34 206 7.63%
35 to 39 214 7.93%
40 to 44 157 5.81%
45 to 49 172 6.37%
50 to 54 138 5.11%
55 to 59 109 4.04%
60 to 64 86 3.19%
65 to 69 56 2.07%
70 to 74 43 1.59%
75 to 79 27 1%
80 and over 33 1.22%
Under 1
29
1 to 4
208
5 to 9
264
10 to 14
279
15 to 19
256
20 to 24
222
25 to 29
201
30 to 34
206
35 to 39
214
40 to 44
157
45 to 49
172
50 to 54
138
55 to 59
109
60 to 64
86
65 to 69
56
70 to 74
43
75 to 79
27
80 and over
33
780

Young population (0-14) · 28.89%

1,761

Working-age population (15-64) · 65.22%

159

Older population (65+) · 5.89%

Household Trends

Household formation in Barangay Marahan I 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 Alfonso.

Census Date Households Avg. Size
1990 May 1 0 —
1995 Sep 1 301 5.62
2000 May 1 407 4.83
2007 Aug 1 576 4.22
2010 May 1 587 4.41
2015 Aug 1 594 4.55
0
301
407
576
587
594
1990
1995
2000
2007
2010
2015

Location & Environment

Geographic coordinates, comparative elevation, and environmental risk profile.

3rd of 32

Relative rank among Alfonso's barangays by 2020 population.

423.3 m Elevation

Elevation profile, compared to the 444.8 m municipal median.

Barangay Marahan I is located at approximately 14.1323, 120.8467 (14°07'56" N, 120°50'48" E) on Luzon , roughly 423.3 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
Landslide

At roughly 423.3 m elevation, steeper upland terrain can raise landslide susceptibility during prolonged or heavy rainfall.

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 Marahan I in municipality of Alfonso, province of Cavite 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 Marahan I
PSGC Code 0402101012
Population (2020) 3,088
Rank in Municipality 3rd of 32
Coordinates 14.1323, 120.8467 (14°07'56" N, 120°50'48" E)
Elevation 423.3 m above sea level
City / Municipality Alfonso
Province Cavite
Region CALABARZON
ZIP Code 4123

Surrounding Area & Local Culture

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

Local Directory

Businesses & Services in Alfonso

Verified hotels, restaurants, healthcare providers, financial services, and professional firms serving Barangay Marahan I and the wider Alfonso area.

12 Businesses Listed

Frequently Asked Questions

Where is Barangay Marahan I located?

Barangay Marahan I is a barangay in Alfonso, Cavite, in the CALABARZON (Region IV-A) of the Philippines. Registered under PSGC code 0402101012 with ZIP code 4123, it had a 2020 Census population of 3,088. That makes it the 3rd most populous of Alfonso's 32 barangays (5.1% of the municipal total of 60,583). It sits at about 423.3 m above sea level at coordinates 14.1323, 120.8467.

What is the population of Barangay Marahan I?

3,088 as of the 2020 Census, the 3rd largest of Alfonso's 32 barangays (5.1% of the municipal total).

What is the PSGC code of Barangay Marahan I?

The PSGC code is 0402101012, a nine-digit identifier in the PSA classification.

What is the ZIP code of Barangay Marahan I?

ZIP 4123, covering Alfonso and its barangays.

How many barangays does Alfonso have?

32 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.