# Dea, Kailahun District – Sections, Population & Map > Source: https://wherepedia.org/sierra-leone/eastern/kailahun/dea/ Chiefdom · Kailahun District # Dea Dea is a chiefdom of Sierra Leone in Kailahun District, Eastern Province. It had an estimated **14,956 people** in 2020 on 141 km² (about 106 per km²). It is divided into 4 sections. 60 named villages and localities are recorded here. - 14,956people (2020) - 141km² - 4sections ## How many people live in Dea? Dea had an estimated **14,956 people** in 2020 — 2.5% of Kailahun District, 137th of 161 chiefdoms. There are 1,002 women for every 1,000 men (above the Kailahun District figure of 980). Spread over 141 km², that is about **106 people per km²**, 59th of 161 chiefdoms. 40.8% of people are children under 15 and 3.5% are 65 or older; the median age is about 19 years (it is 19 across Kailahun District). For every 100 people of working age (15–64) there are 80 children and older people. 0–4 ****1,979** 5–9 ****2,339** 10–14 ****1,787** 15–19 ****1,842** 20–24 ****1,397** 25–29 ****1,281** 30–34 ****914** 35–39 ****887** 40–44 ****631** 45–49 ****512** 50–54 ****395** 55–59 ****233** 60–64 ****237** 65–69 ****155** 70–74 ****138** 75–79 ****84** 80+ ****142** Source: [Statistics Sierra Leone (SSL) _ Population and Housing Census / UNFPA via OCHA HDX, population 2020 (COD-PS, CC BY-IGO)](https://data.humdata.org/dataset/cod-ps-sle). ## Where is Dea? Dea lies in [Kailahun District](https://wherepedia.org/sierra-leone/eastern/kailahun/), [Eastern Province](https://wherepedia.org/sierra-leone/eastern/), [Sierra Leone](https://wherepedia.org/sierra-leone/). It borders 3 other chiefdoms: [Malema](https://wherepedia.org/sierra-leone/eastern/kailahun/malema/), [Mandu](https://wherepedia.org/sierra-leone/eastern/kailahun/mandu/) and [Upper Bambara](https://wherepedia.org/sierra-leone/eastern/kailahun/upper-bambara/). By area it is the 141st largest of 167 chiefdoms in Sierra Leone. It covers 3.6% of [Kailahun District](https://wherepedia.org/sierra-leone/eastern/kailahun/). The centre of Dea is about 291 km in a straight line from Freetown, the capital. The centre point is at 7.9530° N, 10.6490° W. Source: [Government of Sierra Leone via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-sle). ## Know before you go: Dea - Time zoneUTC+0, no daylight saving · Africa/Freetown - CurrencyLeone (SLE) - Country calling code+232 - LanguagesEnglish, Mende, Timne - Plug typesType G · 230 V - Driving sideRight ### Nearest airports - Spriggs Payne Airport (MLW) · Monrovia185 km - Roberts International Airport (ROB) · Monrovia194 km ### Daylight Days are longest in Jun (about 12.6 hours, sunrise around 06:25) and shortest in Dec (about 11.7 hours, sunrise around 06:47, sunset around 18:27). Source: [GeoNames country and time-zone files (CC BY 4.0)](https://www.geonames.org/); [Wikidata (CC0) — plug types, mains voltage, driving side; retrieved 2026-11-02](https://www.wikidata.org/); [OurAirports (public domain)](https://ourairports.com/data/). Airports with scheduled passenger flights; straight-line distances. Daylight is calculated for the 15th of each month in local standard time. Check entry and visa rules with official government sources before travelling. ## Sections of Dea Section Area km² Localities Services [Baiwalla](https://wherepedia.org/sierra-leone/eastern/kailahun/dea/baiwalla/) 38 22 0 [Dodo](https://wherepedia.org/sierra-leone/eastern/kailahun/dea/dodo/) 29 10 0 [Sakiema](https://wherepedia.org/sierra-leone/eastern/kailahun/dea/sakiema/) 24 10 0 [Sienga](https://wherepedia.org/sierra-leone/eastern/kailahun/dea/sienga/) 50 19 0 Source: [Government of Sierra Leone via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-sle); [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/); [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/). ## Villages and localities in Dea Open gazetteers list **60 villages, towns and localities** in Dea. Settlements here lie between about 192 m and 296 m above sea level (median 215 m). - Bafehun - Bahama - Baiwala - Bandajuma - Baoma - Bogbema - Bogema - Bohekema - Bongema - Buduma - Bunduma - Dodo - Gauwuyema - Gauyeama - Gbadifulahun - Gbahama Dea - Gbandivualhun - Gbojiema - Gengbe - Giema - Giewoma - Gobalu - Godi - Gohun - Gomsua - Gonsua - Griema - Grima - Jaluahun - Jembe - Jolu - Joru - Kamara Town - Kanga - Kangama - Kanneh La - Konela - Kporbu - Lago - Largo - Nagbena - Njewoma - Nyadehun - Nyandehun - Periwama - Pewama - Pewama 1 - Pewama 11 - Sakiema - Sawulahun - Senga - Sipayema - Takpoima - Tambayama 1 - Tambayama Mende - Tambiama - Tubu - Waima - Wumoima - Yengehma Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/); [© OpenStreetMap contributors (ODbL), Geofabrik extract — named settlements](https://www.openstreetmap.org/copyright). ## Landscape and landmarks of Dea Named natural and historic features inside Dea, from the GeoNames gazetteer. ### Water 2 rivers and streams. - Gbaiya - Mavia ### Hills and mountains 1 mountain; 1 hill. - Kotuyei · 447 m - Toko · 247 m Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/). Places of worship are not listed. Elevations are from the GeoNames terrain model and are approximate. ## Weather in Dea and the best time to visit Using the climate of Kailahun District, the warmest month is Apr (average 27 °C) and the coolest is Aug (24 °C). About 2,002 mm of rain falls in a year; the wettest month is Aug (476 mm) and the driest Jan (2 mm). The most comfortable months for a visit are **November to April**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 25 2 Feb 26 13 Mar 27 30 Apr 27 70 May 27 127 Jun 25 283 Jul 24 391 Aug 24 476 Sep 24 368 Oct 25 179 Nov 25 55 Dec 25 8 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Quick answers - Where is Dea?In Kailahun District, Eastern Province, Sierra Leone - What is the population of Dea?14,956 (2020 estimate) - What is the median age in Dea?About 19 years (2020 estimate) - What is the population density of Dea?About 106 people per km² - What borders Dea?Malema, Mandu and Upper Bambara - What time zone is Dea in?UTC+0 - What currency is used in Dea?Leone (SLE) - What language is spoken in Dea?English, Mende, Timne (main languages nationally) - How many villages are in Dea?60 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Dea?Settlements lie between 192 m and 296 m - What is the highest point in Dea?Kotuyei (447 m, GeoNames elevation model) - What is the best time to visit Dea?November to April - What is the P-code of Dea?SL010101 (OCHA common operational dataset)