Holcomb

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

City facts

Facts from Wikidata (CC0).

Overview

Holcomb is an unincorporated community in Ogle County, Illinois, United States. As of the 2020 census, Holcomb had a population of 149. Holcomb is 3 miles (4.8 km) south of Davis Junction. Holcomb has a post office with ZIP code 61043. Holcomb was founded in 1876. It was named for William H. Holcomb, General Manager of the Chicago and Iowa Railroad at the time. He was also the Superintendent of Transportation for the World's Columbian Exposition held in Chicago in 1893.

Demographics & economy

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Current forecast

Forecast for Holcomb, IL from NOAA NWS API.

Air quality

Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).

Health (adults)

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Wildlife & biodiversity

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Schools

Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).

Earthquake history

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Notable people from here

Frank White

American politician (1856–1940)

G

George Bird

American Major League Baseball player

Ralyn M. Hill

United States Army Medal of Honor recipient (1899–1977)

Arthur Orlo Norton

American educator (1869–1959)

Charles W. Baker

American farmer and politician

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in Illinois

• Kirkland
  12.9 mi away · pop. 1,525
• Cherry Valley
  13.3 mi away
• Ashton
  15 mi away · pop. 935
• Lost Nation
  17.5 mi away · pop. 714
• Loves Park
  19.5 mi away · pop. 23,397
• Grand Detour
  19.8 mi away
• Machesney Park
  21.3 mi away
• Candlewick Lake
  22.9 mi away
• Garden Prairie
  23.6 mi away
• Forreston
  25.1 mi away
• Baileyville
  27.1 mi away
• Burlington
  27.1 mi away · pop. 425

Browse all places in Illinois →

Geography & sun

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Public attention

Pageview totals from the Wikimedia Pageviews API.

Books about Holcomb

Performing prose

Chris Holcomb · 2010

History of Rochelle and Flagg Township, Illinois

Franklin Kruger · 2000

Mechanics of farm budgeting

Robert B. Schwart · 1968

Memorial Day, Flag Day, May thirtieth, 1917

Illinois. Office of the Superintendent of Public Instruction · 1917

Southern sons, northern soldiers

George A. Remley · 2004

Mechanics of farm financial planning

R. B. Schwart · 1971

The Johnson prize essays from various law schools

George Wharton Pepper · 1890

Miscellaneous bills

United States. Congress. Senate. Committee on Naval Affairs · 1941

Search results from Open Library.

Recently spotted species

Domestic Cat

Felis catus

Seen 2026-09-17

big bluestem

Andropogon gerardi

Seen 2026-09-16

Glade Mallow

Napaea dioica

Seen 2026-09-16

Ruby-throated Hummingbird

Archilochus colubris

Seen 2026-09-15

Cross Orbweaver

Araneus diadematus

Seen 2026-09-14

Northern Hog Sucker

Hypentelium nigricans

Seen 2026-09-10

Pigeon Horntail

Tremex columba

Seen 2026-09-09

grey-headed coneflower

Ratibida pinnata

Seen 2026-09-09

smooth sumac

Rhus glabra

Seen 2026-09-09

Research-grade observations from iNaturalist (within ~15 mi).

Nearest stream gauge

Live readings from USGS NWIS · measured 2026-09-16 21:15 UTC.