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Ostrołęka, Poland
Mazovia · Poland
Ostrołęka is a mid-size city in Mazovia, Poland with a population of 53,740. Elevation: 318 ft (97 m). Average temperature: 46°F (8°C).
Data updated June 2026
Discover Ostrołęka, Poland
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People
Economy
C+Climate
| Population | 53,740 |
| Population Density | 4,971 / sq mi |
| Elevation | 318 ft (97 m) |
| Coordinates | 53.0862°, 21.5757° |
| Timezone | Europe/Warsaw |
| Country | 🇵🇱 Poland |
| State / Province | Mazovia |
| Average Temperature | 46°F (8°C) |
| January Average | 25°F (-4°C) |
| July Average | 66°F (19°C) |
| Annual Precipitation | 19.1 inches (484 mm) |
| Annual Snowfall | 3.0 inches (8 cm) |
| Median Household Income | $19,656 |
About Ostrołęka
Ostrołęka is a mid-size city in Poland (Mazovia) with a population of 53,740. The city sits at an elevation of 318 feet (97 meters) above sea level. The average annual temperature is 46°F (8°C). Temperatures range from 25°F in January to 66°F in July. Annual precipitation averages 19.1 inches. The timezone is Europe/Warsaw.
Income: Ostrołęka vs Poland
Commute Mode
Income
| Median HH Income | $19,656 |
| 74% below Poland avg |
Employment & Poverty
| Establishments (County) | 3,224 |
Business (County)
Tax & Cost of Living
Commute & Transportation
Walkability
Climate in Ostrołęka
Ostrołęka has an average annual temperature of 9°C (48°F). The hottest month is Aug (20°C), the coldest is Jan (-2.2°C). Average annual precipitation is 685 mm.
Temperature
| Annual Average | 46.0°F |
| 15% below Poland avg | |
| January Average | 25°F (-4°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 318 ft (97 m) |
| Area | 10.8 sq mi (28.0 km²) |
| Population Density | 4,971/sq mi |
| Coordinates | 53.0862°N, 21.5757°W |
| Timezone | Europe/Warsaw |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 0.9 in | Coldest |
| February | 27°F (-3°C) | 0.9 in | Driest |
| March | 37°F (3°C) | 1.0 in | |
| April | 48°F (9°C) | 1.2 in | |
| May | 57°F (14°C) | 1.9 in | |
| June | 63°F (17°C) | 2.6 in | |
| July | 66°F (19°C) | 2.7 in | Warmest, Wettest |
| August | 65°F (18°C) | 2.2 in | |
| September | 56°F (13°C) | 1.8 in | |
| October | 47°F (8°C) | 1.4 in | |
| November | 36°F (2°C) | 1.4 in | |
| December | 29°F (-2°C) | 1.2 in |
Ostrołęka has a seasonal temperature swing of 41°F / from 25°F in January to 66°F in July. Total annual precipitation is 19.1 inches, with July being the wettest month (2.7") and February the driest (0.9").
Schools in Ostrołęka
17 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Zespół Szkół Zawodowych nr 3 im. kardynała Stefana Wyszyńskiego | - | - | - | - |
| Szkoła Podstawowa nr 10 im. Jana Pawła II | - | - | - | - |
| III Liceum Ogólnokształcące im. Unii Europejskiej | - | - | - | - |
| Szkoła Podstawowa Nr 1 im. Księdza Antoniego Pęksy | - | - | - | - |
| Szkoła Podstawowa nr 5 im. Zofii Niedziałkowskiej | - | - | - | - |
| Szkoła Podstawowa nr 2 | - | - | - | - |
| II Liceum Ogólnokształcące im. C. K. Norwida | - | - | - | - |
| Wyższa Szkoła Administracji Publicznej w Ostrołęce | - | - | - | - |
| Szkoła Podstawowa nr 6 im. Orła Białego w Ostrołęce | - | - | - | - |
| Zespół Szkół Zawodowych nr 1 | - | - | - | - |
| Zespół Szkół | - | - | - | - |
| Liceum Ogólnokształcące nr I | - | - | - | - |
| Wyższa Szkoła Administracji Publicznej w Ostrołęce | - | - | - | - |
| Szkoła Podstawowa nr 1 | - | - | - | - |
| Żak szkoły policealne | - | - | - | - |
| Liceum Klasyczne | - | - | - | - |
| II Społeczne Liceum Ogólnokształcące im. Toniego Halika | - | - | - | - |
Radio Stations near Ostrołęka
0 stations within ~55 km.
| Station | Genre | Quality |
|---|
Museums in Ostrołęka
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Muzeum Kultury Kurpiowskiej | ||||
| Muzeum Kurpiowskie | ||||
| Muzeum Żołnierzy Wyklętych w Ostrołęce | ||||
| Zagroda Kurpiowska w Kadzidle |
Libraries in Ostrołęka
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Gminna Biblioteka Publiczna w Różanie | 0.0 | |||||
| Miejska Biblioteka Publiczna | 0.0 |
Farmers Markets in Ostrołęka
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Plac Targowy |
Hotels in Ostrołęka
6 hotels within city radius - OpenStreetMap data
Restaurants in Ostrołęka
26 restaurants within city radius - OpenStreetMap data
Cafes in Ostrołęka
3 cafes within city radius - OpenStreetMap data
Cinemas in Ostrołęka
1 cinemas within city radius - OpenStreetMap data
Clinics in Ostrołęka
3 clinics within city radius - OpenStreetMap data
Dentists in Ostrołęka
3 dentists within city radius - OpenStreetMap data
Veterinaries in Ostrołęka
1 veterinaries within city radius - OpenStreetMap data
Bus Stations in Ostrołęka
1 bus stations within city radius - OpenStreetMap data
Gas Stations in Ostrołęka
12 gas stations within city radius - OpenStreetMap data
Banks in Ostrołęka
9 banks within city radius - OpenStreetMap data
Shopping Malls in Ostrołęka
4 shopping malls within city radius - OpenStreetMap data
Gyms in Ostrołęka
1 gyms within city radius - OpenStreetMap data
Ski Resorts Near Ostrołęka
1 ski resorts within range.
| Resort | Slopes (km) | Lifts | Peak (m) | Price | Season | Night | Park |
|---|---|---|---|---|---|---|---|
| Stacja narciarska Rybno | 0.0 | - | - | $0 | - | - | - |
Airports Near Ostrołęka
11 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Olsztyn-Mazury Airport | SZY | Medium Airport |
| Babięta | - | Small Airport |
| Grądy Airfield | - | Small Airport |
| Lojaka Airfield | - | Small Airport |
| Lotnisko Mrągowo | - | Small Airport |
| Nasielsk-Chrcynno Airfield | - | Small Airport |
| Niemiry Airstrip | - | Small Airport |
| Przasnysz-Sierakowo Airfield | - | Small Airport |
| Rostki Airstrip | - | Small Airport |
| Roszczep Airstrip | - | Small Airport |
| Zyzdrojowa Wola | - | Small Airport |
Post Offices in Ostrołęka
2 post offices.
| Post Office | Address |
|---|---|
| 07-409 | |
| Poczta Polska Dział Ekspedycyjno - Rozdzielczy w Ostrołęce |
Churches & Religious Organizations in Ostrołęka
13 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| kaplica cmentarna | |
| Kaplica domowa | |
| Kaplica domowa | |
| Kaplica pw. Świętego Michała Archanioła | |
| Kaplica pw. Świętego Wincentego Pallottiego | |
| Kaplica pw. Wszystkich Świętych | |
| Kaplica więzienna | |
| Kościół pw. Nawiedzenia Najświętszej Maryi Panny | |
| Kościół pw. Świętego Antoniego Padewskiego | |
| Kościół pw. Świętego Franciszka z Asyżu | |
| Kościół pw. Świętego Wojciecha | |
| Kościół pw. Zbawiciela Świata | |
| Kościół Zielonoświątkowy |
Quick Facts
Things to See Near Ostrołęka
2 places within 15 km
- • Grodzisko "Stare Miasto"
- • Zakole Omulwi
🇵🇱 About Poland
Public Holidays in Poland
14 public holidays this year
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Get a comprehensive, print-ready PDF with all data for Ostrołęka.
Get ReportFrequently Asked Questions About Ostrołęka
What is the population of Ostrołęka?
Ostrołęka has a population of 53,740 residents and is located in Poland. The population density is 4,971 people per square mile, spread across 10.8 square miles.
Is Ostrołęka 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 Ostrołęka?
Ostrołęka has a four-season climate with an average annual temperature of 46°F (8°C). Winter temperatures average 25°F in January, while summers reach an average of 66°F in July. The area receives 301 sunny days per year, well above the national average of 205. Annual rainfall totals 19.1 inches, with 3.0 inches of snow.
How is the job market in Ostrołęka?
There are 3,224 business establishments in the area.