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Eureka

city in Woodford County, Illinois, United States
Place City In The United States Q575158

Facts

18 properties

Identity

Instance of
city in the United States, county seat[4]
Inception
1855[7]
Official website
www.eurekaillinois.net[9]
Official name
Eureka[14]

Location

Country
United States[3]
Coordinate location
🗺️ 40.716°, -89.275°[8]
Located in the administrative territorial entity
Woodford County[2]

Population and size

Area
+7.058103, +7.952702[18][19]
Elevation above sea level
+234[17]
Population
4.9k (4.9k–5.3k, n=3)[10][11][12]
⚖ sources disagree Wikidata 5,295 · 5,227 · 4,871 GeoNames 5,377 edition 2026-09-26 · CC BY 4.0 ↗

Codes

Local dialing code
309[6]
Postal code
61530[5]
More facts +6
Capital of
Woodford County[13]
Different from
Eureka[16]
Number of households
+2172[15]
Per capita income
+28072
Territory overlaps
Eureka urban area[21]
Water as percent of area
+1.5643[20]
🏷️ Also known as
en Eureka en Eureka, IL en Eureka, Illinois ar يوركا es Eureka (Illinois) fa یوریکا، ایلینوی ja ユーレカ ja ユリーカ uk Юрика zh 尤里卡
🔖 Identifiers · 19
Legal Entity Identifier
549300W06SPL6J8KON70
VIAF cluster ID
144288917
Library of Congress Authorities ID
n83220513
GND ID
1359687629
Image (Wikimedia Commons)
Eureka College Main Building flickr.jpg ↗
ArchINFORM location ID
27055
FIPS 55-3 (locations in the US)
17-24543
FactGrid item ID
4-H
Freebase ID
/m/0sjtf
GNIS Feature ID
2394706, 408082
GeoNames ID
4891310
J9U entity ID
987007564673105171
Show all 19 identifiers +7
MusicBrainz area ID
c0cd3cf5-1a1b-43c6-9737-33f2ea1d4dd6
OpenStreetMap relation ID
125961
PermID
5035890145
Topic's main category
Category:Eureka, Illinois
UN/LOCODE
US2EK
Who's on First ID
85939369
WorldCat Entities ID
E39PBJvxtf3JxV3MJPHQbMk7HC
📚 Sources · 1
  • GeoNames as of 2026-09-26 · 1 statement · CC BY 4.0 CC BY 4.0 — attribution: GeoNames (www.geonames.org), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Values as shipped.

Report an error or request removal Lineage (PROV-JSON)

⛏️ Lake Facts · open-dataset statements via 4ort-mint

From open datasets, joined by identifier and shown only for properties Wikidata does not state on this entity — except where the dataset is the registry authority for the fact (ClinicalTrials.gov on trial registration data): there its value is shown instead, with Wikidata's noted beside it. Every row carries its dataset edition and licence.

Located in time zoneP421
America/Chicago 2026-09-26 P/PPLA2 · US GeoNames (CC BY 4.0) as of 2026-09-26
where from?
Source
GeoNames
Edition
20260926 · as of 2026-09-26
Licence
CC BY 4.0
Credit
CC BY 4.0 — attribution: GeoNames (www.geonames.org), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Values as shipped.
Bronze
1da92a6323a5fec3… admin1CodesASCII.txt +9 files
Transform
4ort-mint · lake · version not recorded
CC BY 4.0 — attribution: GeoNames (www.geonames.org), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Values as shipped.
🔗 Connections
People born here 3
Ben Zobrist, William Perry Haydd, William A. Poynter
Instance of 2
county seat, city in the United States
← Place of publication 2
The Eureka Journal, Woodford County Journal
Capital of 1
Woodford County
Contained subdivisions 1
Woodford County Journal
Country 1
United States
Different from 1
Eureka
FactGrid item ID 1
4-H
Located in the administrative territorial entity 1
Woodford County
← Capital 1
Woodford County
← FactGrid item ID 1
Liwki Szlacheckie
← Headquarters location 1
Eureka College
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Summary

Eureka is a city in the United States[1].

Related Entities

United States

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [2] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Eureka. Retrieved November 10, 2026, from https://4ort.xyz/entity/eureka-q575158
MLA “Eureka.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/eureka-q575158.
BibTeX @misc{4ortxyz_eureka-q575158_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Eureka}}, year = {2026}, url = {https://4ort.xyz/entity/eureka-q575158}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Eureka — https://4ort.xyz/entity/eureka-q575158 (retrieved 2026-11-10)

Canonical URL: https://4ort.xyz/entity/eureka-q575158 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6w ago · Schekinov Alexey Victorovich · 2026-09-26 view diff on Wikidata ↗
    Coordinate location → —
    Instance of → city in the United States, county seat
    Water as percent of area → 1.5643
    Number of households → 2,172
    + 14 other properties edited (see Wikidata diff for full list)
    "Changed claim: Instance of: city in the United States"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.