All Countries
Sienno, Poland
Mazovia · Poland
Sienno is a small town in Mazovia, Poland with a population of 750. Elevation: 623 ft (190 m). Average temperature: 46°F (8°C).
Data updated June 2026
Discover Sienno, Poland
Explore over 40 sections covering people, economy, housing, health, crime, climate, community, costs, trends, schools, colleges, hospitals, treatment centers, industries, museums, libraries, breweries, farmers markets, grocery stores, pharmacies, campgrounds, parks, trails, stadiums, ski resorts, daycare centers, nursing homes, churches, fire stations, cell towers, bridges, power plants, EV stations, prisons, radio stations, airports, police stations, post offices, Amtrak stations, superfund sites, UNESCO sites, and more.
Use the tabs and dropdown menus below to navigate every data point we track for this city.
People
Economy
C+Climate
| Population | 750 |
| Population Density | 124 / sq mi |
| Elevation | 623 ft (190 m) |
| Coordinates | 51.0877°, 21.4833° |
| Timezone | Europe/Warsaw |
| Country | 🇵🇱 Poland |
| State / Province | Mazovia |
| Average Temperature | 46°F (8°C) |
| January Average | 27°F (-3°C) |
| July Average | 65°F (18°C) |
| Annual Precipitation | 21.5 inches (547 mm) |
| Annual Snowfall | 3.2 inches (8 cm) |
| Median Household Income | $19,656 |
About Sienno
Sienno is a small town in Poland (Mazovia) with a population of 750. The city sits at an elevation of 623 feet (190 meters) above sea level. The average annual temperature is 46°F (8°C). Temperatures range from 27°F in January to 65°F in July. Annual precipitation averages 21.5 inches. The timezone is Europe/Warsaw.
Income: Sienno vs Poland
Commute Mode
Income
| Median HH Income | $19,656 |
| 74% below Poland avg |
Employment & Poverty
| Establishments (County) | 45 |
Business (County)
Tax & Cost of Living
Commute & Transportation
Walkability
Temperature
| Annual Average | 46.4°F |
| 14% below Poland avg | |
| January Average | 27°F (-3°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 297 days/yr |
Geography
| Elevation | 623 ft (190 m) |
| Area | 6.1 sq mi (15.7 km²) |
| Population Density | 124/sq mi |
| Coordinates | 51.0877°N, 21.4833°W |
| Timezone | Europe/Warsaw |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 1.0 in | Coldest |
| February | 29°F (-2°C) | 0.9 in | Driest |
| March | 37°F (3°C) | 1.1 in | |
| April | 47°F (8°C) | 1.5 in | |
| May | 56°F (14°C) | 2.2 in | |
| June | 62°F (17°C) | 2.8 in | |
| July | 65°F (18°C) | 3.1 in | Warmest, Wettest |
| August | 64°F (18°C) | 2.6 in | |
| September | 56°F (13°C) | 2.1 in | |
| October | 47°F (8°C) | 1.6 in | |
| November | 37°F (3°C) | 1.3 in | |
| December | 31°F (-1°C) | 1.3 in |
Sienno has a seasonal temperature swing of 38°F / from 27°F in January to 65°F in July. Total annual precipitation is 21.6 inches, with July being the wettest month (3.1") and February the driest (0.9").
Schools in Sienno
2 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Zespół Szkół Ogólnokształcących i Policealnych w Siennie | — | — | — | — |
| Zespół Szkół Technicznych w Siennie | — | — | — | — |
Radio Stations near Sienno
6 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Radio Tango Uno | tango, tangos | MP3 128 kbps | |
| Radio Eska Starachowice | contemporary hits radio, pop | MP3 128 kbps | |
| Radio Rekord (RU) | dance, dj remix | AAC | |
| Radio Rekord FM | pop | AAC+ 64 kbps | |
| AWANGARDA.FM | kzmrz | MP3 | |
| Radio Radom | local music, local news | MP3 |
Museums in Sienno
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Dom rodzinny majora Jana Piwnika Ponurego | ||||
| Izba Bolesława Leśmiana | ||||
| Izba Pamięci ks. Marcina Popiela | ||||
| Muzeum Archeologiczne i Rezerwat Krzemionki | ||||
| Muzeum Regionalne w Iłży im. Adama Bednarczyka | ||||
| Żywe Muzeum Porcelany |
Libraries in Sienno
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Biblioteka Publiczna w Ćmielowie | 0.0 | |||||
| Biblioteka Szkolna w Szewnie | 0.0 | |||||
| Filia Biblioteczna w Sycynie | 0.0 | |||||
| Filia Biblioteczna w Wielgiem | 0.0 | |||||
| Gminna Biblioteka Publiczna w Ciepielowie | 0.0 | |||||
| Gminna Biblioteka Publiczna w Kazanowie | 0.0 | |||||
| Miejska Biblioteka Publiczna | 0.0 | |||||
| Miejsko-Gminna Biblioteka Publiczna | 0.0 | |||||
| Pedagogiczna | 0.0 | |||||
| Pedagogiczna Biblioteka Wojewódzka filia Ostrowiec Świętokrzyski | 0.0 |
Farmers Markets in Sienno
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Plac targowy | |||||
| Sklep ABC | |||||
| Targowisko | |||||
| Targowisko | |||||
| Targowisko | |||||
| Targowisko Miejskie | |||||
| Targowisko Miejskie | |||||
| Targowisko miejskie "Ogrody" | |||||
| Targowisko Tarłów |
Gas Stations in Sienno
1 gas stations within city radius — OpenStreetMap data
Stadiums & Teams in Sienno
| Team | League | Division |
|---|---|---|
Ski Resorts Near Sienno
4 ski resorts within range.
| Resort | Slopes (km) | Lifts | Peak (m) | Price | Season | Night | Park |
|---|---|---|---|---|---|---|---|
| Stacja Narciarska Sabat Krajno | 0.0 | — | — | $0 | — | — | — |
| Szwajcaria Bałtowska | 0.0 | — | — | $0 | — | — | — |
| Ośrodek Narciarski "Nart-Sport" | 0.0 | — | — | $0 | — | — | — |
| Stacja Narciarska Kazimierz Dolny | 0.0 | — | — | $0 | — | — | — |
Airports Near Sienno
11 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Deblin Military Air Base | — | Medium Airport |
| Warsaw Radom Airport | RDO | Medium Airport |
| Brzeska Wola Airfield | — | Small Airport |
| Dylew Airfield | — | Small Airport |
| Górki Airfield | — | Small Airport |
| Nowy Bostów Airfield | — | Small Airport |
| Ożarów Airfield | — | Small Airport |
| Radom-Piastrów Airfield | — | Small Airport |
| Ryki Airstrip | — | Small Airport |
| Stalowa Wola-Turbia Airfield | — | Small Airport |
| Tuszów Narodowy Airfield | — | Small Airport |
Treatment Centers in Sienno
3 treatment centers.
| Center | Type | Phone |
|---|---|---|
| FizjoAktiv rehabilitacja | ||
| Markmed centrum rehabilitacji | ||
| Prywatny Gabinet Rehabilitacyjny Ewa Foremniak |
Churches & Religious Organizations in Sienno
5 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Kaplica wotywna | |
| Kościół pw. Matki Boskiej Częstochowskiej | |
| Kościół pw. Matki Bożej Różańcowej w Osówce | |
| Kościół pw. Świętego Zygmunta | |
| Kościół pw. Świętej Teresy od Dzieciątka Jezus |
Quick Facts
🇵🇱 About Poland
Public Holidays in Poland
14 public holidays this year
Frequently Asked Questions About Sienno
What is the population of Sienno?
Sienno has a population of 750 residents and is located in Poland. The population density is 124 people per square mile, spread across 6.1 square miles.
Is Sienno expensive to live in?
The median household income is $19,656, 74% below the national average of $75,149.
What is the weather like in Sienno?
Sienno has a four-season climate with an average annual temperature of 46°F (8°C). Winter temperatures average 27°F in January, while summers reach an average of 65°F in July. The area receives 297 sunny days per year, well above the national average of 205. Annual rainfall totals 21.5 inches, with 3.2 inches of snow.
How is the job market in Sienno?
There are 45 business establishments in the area.