Wołomin County
powiat of Poland

Wołomin County (Polish: powiat wołomiński) is a territorial and administrative division in Masovian Voivodeship, east-central Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. The administrative seat of the county and also its largest town is Wołomin, which lies 22 kilometres (14 mi) north-east of Warsaw. The county contains six other towns: Ząbki, 11 km (7 mi) south-west of Wołomin, Marki, 10 km (6 mi) west of Wołomin, Kobyłka, 3 km (2 mi) south-west of Wołomin, Zielonka, 8 km (5 mi) south-west of Wołomin, Radzymin, 9 km (6 mi) north-west of Wołomin, and Tłuszcz, 18 km (11 mi) north-east of Wołomin.
The county covers an area of 955.37 square kilometres (368.9 sq mi). As of 2019 its total population is 247,288, out of which the population of Wołomin is 37,082, that of Ząbki is 37,219, that of Marki is 34,679, that of Kobyłka is 24,096, that of Zielonka is 17,588, that of Radzymin is 13,005, that of Tłuszcz is 8,156, and the rural population is 75,463.
Neighbouring counties
Wołomin County is bordered by Wyszków County to the north, Węgrów County to the east, Mińsk County to the south-east, the city of Warsaw to the south-west and Legionowo County to the west.
Administrative division
The county is subdivided into 12 gminas (four urban, three urban-rural and five rural). These are listed in the following table, in descending order of population.
“Wołomin County” enters the record as powiat of Poland. Crown Archives preserves that source wording while asking what Wołomin, County and powiat can confirm, complicate or overturn.
Why this record matters
“Wołomin County” is worth following because a concise public description often conceals a longer documentary argument. Here, Wołomin, County and powiat provides the most credible route into that argument.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 6, 2026. The linked authority identifier is Q936180. VIAF identifies the subject as 157071794. The Library of Congress control number is n00112686. Authority coordinates are 52.350, 21.233. 4 of 5 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1999, 1998 and 2019.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Wołomin County”, its source revision and the description used here.
- Expand the search: follow Wołomin County primary sources, Wołomin County archive and Wołomin research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Wołomin County”?
- Which institution is responsible for the underlying evidence?
- What terminology or title could unlock a more precise catalogue search?
Search terms from this dossier
This entry incorporates text from “Wołomin County” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.