Sigma, Capiz
Sigma, officially the Municipality of Sigma (Capiznon/Hiligaynon: Banwa sang Sigma; Tagalog: Bayan ng Sigma), is a 4th class municipality in the province of Capiz, Philippines. According to the 2020 census, it has a population of 31,688 people.
Sigma is 28 kilometres (17 mi) from Roxas City, the provincial capital.
It was named after the legendary Datu Sikma, which was corrupted by the Spaniards into Sigma, as they have difficulty in pronouncing the letter "k".
Geography
Barangays
Sigma is politically subdivided into 21 barangays. Each barangay consists of puroks and some have sitios.
- Acbo
- Amaga
- Balucuan
- Bangonbangon
- Capuyhan
- Cogon
- Dayhagon
- Guintas
- Malapad Cogon
- Mangoso
- Mansacul
- Matangcong
- Matinabus
- Mianay
- Oyong
- Pagbunitan
- Parian
- Pinamalatican
- Poblacion Norte
- Poblacion Sur
- Tawog
Climate
| Climate data for Sigma, Capiz | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | 27 (81) |
28 (82) |
29 (84) |
31 (88) |
32 (90) |
31 (88) |
30 (86) |
30 (86) |
29 (84) |
29 (84) |
29 (84) |
27 (81) |
29 (85) |
| Mean daily minimum °C (°F) | 23 (73) |
23 (73) |
23 (73) |
24 (75) |
25 (77) |
25 (77) |
24 (75) |
24 (75) |
24 (75) |
24 (75) |
24 (75) |
23 (73) |
24 (75) |
| Average precipitation mm (inches) | 61 (2.4) |
39 (1.5) |
46 (1.8) |
48 (1.9) |
90 (3.5) |
144 (5.7) |
152 (6.0) |
145 (5.7) |
163 (6.4) |
160 (6.3) |
120 (4.7) |
90 (3.5) |
1,258 (49.4) |
| Average rainy days | 12.3 | 9.0 | 9.9 | 10.0 | 18.5 | 25.0 | 27.4 | 26.0 | 25.9 | 24.9 | 17.9 | 14.2 | 221 |
| Source: Meteoblue | |||||||||||||
Demographics
| Year | Pop. | ±% p.a. |
|---|---|---|
| 1903 | 5,205 | — |
| 1918 | 8,303 | +3.16% |
| 1939 | 10,628 | +1.18% |
| 1948 | 10,898 | +0.28% |
| 1960 | 12,649 | +1.25% |
| 1970 | 15,911 | +2.32% |
| 1975 | 18,536 | +3.11% |
| 1980 | 20,043 | +1.58% |
| 1990 | 25,089 | +2.27% |
| 1995 | 25,801 | +0.53% |
| 2000 | 27,366 | +1.27% |
| 2007 | 28,709 | +0.66% |
| 2010 | 29,138 | +0.54% |
| 2015 | 30,134 | +0.64% |
| 2020 | 31,688 | +0.99% |
| Source: Philippine Statistics Authority | ||
In the 2020 census, the population of Sigma, Capiz, was 31,688 people, with a density of 310 inhabitants per square kilometre or 800 inhabitants per square mile.
Economy
Poverty incidence of Sigma
10
20
30
40
2006
36.50 2009
17.47 2012
28.18 2015
18.28 2018
6.38 2021
14.66 Source: Philippine Statistics Authority |