# Nieni, Koinadugu District – Sections, Population & Map > Source: https://wherepedia.org/sierra-leone/northern/koinadugu/nieni/ Chiefdom · Koinadugu District # Nieni Nieni is a chiefdom of Sierra Leone in Koinadugu District, Northern Province. It had an estimated **87,188 people** in 2020 on 2,267 km² (about 38 per km²). It is divided into 5 sections. 97 named villages and localities are recorded here. - 87,188people (2020) - 2,267km² - 5sections ## How many people live in Nieni? Nieni had an estimated **87,188 people** in 2020 — 32.5% of Koinadugu District, 19th of 161 chiefdoms. There are 985 women for every 1,000 men (close to the Koinadugu District figure of 980). Spread over 2,267 km², that is about **38 people per km²**, 145th 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 Koinadugu District). For every 100 people of working age (15–64) there are 80 children and older people. 0–4 ****11,540** 5–9 ****13,634** 10–14 ****10,421** 15–19 ****10,740** 20–24 ****8,141** 25–29 ****7,466** 30–34 ****5,333** 35–39 ****5,176** 40–44 ****3,682** 45–49 ****2,982** 50–54 ****2,299** 55–59 ****1,360** 60–64 ****1,385** 65–69 ****906** 70–74 ****805** 75–79 ****488** 80+ ****828** 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 Nieni? Nieni lies in [Koinadugu District](https://wherepedia.org/sierra-leone/northern/koinadugu/), [Northern Province](https://wherepedia.org/sierra-leone/northern/), [Sierra Leone](https://wherepedia.org/sierra-leone/). It borders 7 other chiefdoms: [Diang](https://wherepedia.org/sierra-leone/northern/koinadugu/diang/), [Kunike](https://wherepedia.org/sierra-leone/northern/tonkolili/kunike/), [Mongo](https://wherepedia.org/sierra-leone/northern/fabala/mongo/), [Neya](https://wherepedia.org/sierra-leone/northern/fabala/neya/), [Nimiyama](https://wherepedia.org/sierra-leone/eastern/kono/nimiyama/), [Sambaya](https://wherepedia.org/sierra-leone/northern/tonkolili/sambaya/) and [Sandor](https://wherepedia.org/sierra-leone/eastern/kono/sandor/). By area it is the 3rd largest of 167 chiefdoms in Sierra Leone. It covers 38.7% of [Koinadugu District](https://wherepedia.org/sierra-leone/northern/koinadugu/). The centre of Nieni is about 222 km in a straight line from Freetown, the capital. The centre point is at 9.0550° N, 11.2989° 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: Nieni - 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 - Lungi International Airport (FNA) · Freetown (Lungi-Town)214 km - Ahmed Sékou Touré International Airport (CKY) · Conakry260 km ### Daylight Days are longest in Jun (about 12.6 hours, sunrise around 06:25) and shortest in Dec (about 11.6 hours, sunrise around 06:52, sunset around 18:28). 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 Nieni Section Area km² Localities Services [Barawa](https://wherepedia.org/sierra-leone/northern/koinadugu/nieni/barawa/) 549 15 0 [Kalian](https://wherepedia.org/sierra-leone/northern/koinadugu/nieni/kalian/) 594 28 0 [Sumbaria](https://wherepedia.org/sierra-leone/northern/koinadugu/nieni/sumbaria/) 214 13 0 [Wollay](https://wherepedia.org/sierra-leone/northern/koinadugu/nieni/wollay/) 435 10 0 [Yiffin](https://wherepedia.org/sierra-leone/northern/koinadugu/nieni/yiffin/) 474 34 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 Nieni Open gazetteers list **97 villages, towns and localities** in Nieni. The largest with a recorded population: Alikalia (3,138). Settlements here lie between about 307 m and 526 m above sea level (median 398 m). - Alikalia - Balea - Bamaia - Bambakalia - Bambayiraia - Bambuya - Banda - Banda-Karafaia - Bandankoro - Banguraia - Barawa Komoia - Bengberia - Bilasilaia - Bolia - Chesuadu - Dakaia - Dania - Dankan - Dawule - Dukono - Fangoia - Fankoya - Farakoro - Firawa - Firikaia - Forokoia - Funemba - Gbamaia - Gbangbaia - Gbangbanfira - Gbenkoro - Gokoro - HASSANYA - Kaia - Kalamaro - Kamaro - Kania - Karandugu - Keimadugu - Kemasoko - Kena - Kilela - Kindea - Kombaia - Kondembaia - Kruto - Kuinuntambaia - Kulanko - Kulawulia - Kulia - Kulioia - Kumala - Kumuntambaia - Kunia - Laia - Lanakoro - Liro - Madina - Magboko - Mansiraia - Masunku - Momoria - Nyandankolia - Petifu - Pirankoro - Porebalia - SOYA - Safinia - Sakura - Samaia - Sawuria - Sereadu - Sesaywulia - Sewaia - Sinekoro - Singbinia - Sinikoro - Siwaia - Soia - Sokurela - Sokurila - Soya-yirahya - Sumbaria - Tilikoro - Timbira - Tonkoli - Tunfuya - Wankako - Worobaia - Worombaia - Yibe - Yiben - Yifin - Yirendu - Yogomusaia - Yoria - Yumbukoro 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 Nieni Named natural and historic features inside Nieni, from the GeoNames gazetteer. ### Water 38 rivers and streams. - Bafin - Bange - Bilko - Bondi - Breko - Dankale - Doro - Dundu - Fugu - Kabo - Kabu - Kala - Kellowa - Keronki - Kongbundu - Konkon - Mafere - Mangayi - Matugu - Miramira - Nafayi - Pema - Poroporo - Pundeyoma …and 14 more. ### Hills and mountains 25 mountains; 4 peaks; 2 hills. - Loma Mansa · 1,895 m - Kundukonko · 1,581 m - Serelen · 1,507 m - Furankoli · 1,457 m - Durukonko · 1,395 m - Fikon · 1,227 m - Nyare · 1,205 m - Fakonko · 1,112 m - Kurakpaye · 1,022 m - Kundula · 933 m - Yongoloba · 873 m - Marampa · 794 m - Waria · 779 m - Kinda · 745 m - Perankonko · 737 m - Rainkonko · 681 m - Perank · 666 m - Senekonko · 656 m - Brumbrumkonko · 601 m - Worokonko · 569 m - Sibeli · 564 m - Karikaw · 562 m - Koncheben · 559 m - Mangi · 541 m …and 7 more. ### Forests and nature 1 forest reserve. - Loma Mountains Non-Hunting Forest Reserve 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 Nieni and the best time to visit Using the climate of Koinadugu District, the warmest month is Apr (average 28 °C) and the coolest is Dec (23 °C). About 1,835 mm of rain falls in a year; the wettest month is Aug (527 mm) and the driest Jan (2 mm). The most comfortable months for a visit are **November to March and May**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 23 2 Feb 26 4 Mar 28 7 Apr 28 28 May 27 100 Jun 25 251 Jul 24 414 Aug 23 527 Sep 24 333 Oct 25 136 Nov 25 32 Dec 23 2 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Quick answers - Where is Nieni?In Koinadugu District, Northern Province, Sierra Leone - What is the population of Nieni?87,188 (2020 estimate) - What is the median age in Nieni?About 19 years (2020 estimate) - What is the population density of Nieni?About 38 people per km² - What borders Nieni?Diang, Kunike, Mongo, Neya, Nimiyama, Sambaya and Sandor - What time zone is Nieni in?UTC+0 - What currency is used in Nieni?Leone (SLE) - What language is spoken in Nieni?English, Mende, Timne (main languages nationally) - How many villages are in Nieni?97 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Nieni?Settlements lie between 307 m and 526 m - What is the highest point in Nieni?Loma Mansa (1,895 m, GeoNames elevation model) - What is the best time to visit Nieni?November to March and May - What is the P-code of Nieni?SL020307 (OCHA common operational dataset)