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Janesville

Iowacity

Photograph of Janesville
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Janesville

Total population

917

Median home value

$221,700

28.9%

Bachelor's+

Median income

$103,542

Janesville$104k
National$74k

Founded

1849

Elevation276 m
Land area3.86 km²
Weather71°F · Mostly Cloudy then Rain Showers Likely
Coordinates42.65°, -92.46°

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

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Active weather alerts
  • Flood Watch · Severe
    Flood Watch issued September 29 at 3:42AM CDT until October 2 at 1:00AM CDT by NWS Des Moines IA

Source: NOAA National Weather Service.

City facts

Founded
1849
Elevation
276 m
Area
3.86 km²

Facts from Wikidata (CC0).

Overview

Janesville is a city in Black Hawk and Bremer counties in the US state of Iowa. The population was 1,034 at the 2020 census. It is part of the Waterloo–Cedar Falls Metropolitan Statistical Area.

Read more on Wikipedia

History & geography

History

Janesville was founded in 1849 by John T. Barrick, a Quaker and abolitionist who had relocated to Iowa from Ohio. According to the book, "The Janesvillians, Volumes I and II" by Maxine Leonard, John T. Barrick built the first mill and frame house in the area. He platted the town of Janesville, which he named in honor of his wife, Jane McPherson Barrick. A post office was established in 1854. It has been established that a tunnel once existed under the business district of Janesville. The tunnel ran between basements and below buildings on both sides of Janesville's Main Street, crossing below the street in the center of town and continuing westward to the Cedar River. One branch of the tunnel continued northward, connecting to the site of Fort John, a shelter built to protect settlers during the Ho-Chunk uprising in June, 1854. The tunnel terminated in the basement of the home of Abel Crail, who later served in Union Army in the American Civil War, and was the first Commander of Janesville Post No. 172, Grand Army of the Republic. According to local legend, the Barricks and other townsfolk sympathetic to their cause aided in the escape of runaway slaves as part of the Underground Railroad. Slaves were moved through Janesville from Grinnell and continued to Decorah and into southeastern Minnesota. The tunnel has since been filled in and no longer exists. People claim to have seen these tunnels and that in fact they still exist to this day. Janesville was a farming community with a population of 311 in 1900, according to the Iowa Data Center [http://www.iowadatacenter.org]. The town's population increased to just 445 by 1950. Because of its proximity to Waterloo-Cedar Falls, the population of Janesville increased to 840 by 1980, when the town was referred to as a…

Geography

Janesville is located on the county line between Bremer and Black Hawk counties, and is bisected by the Cedar River. According to the United States Census Bureau, the city has a total area of , of which is land and is water.

Read full article on Wikipedia

Excerpted from the corresponding Wikipedia article (CC BY-SA).

Demographics & economy

Median age
47
Median home value
$221,700
Housing units
429
Poverty rate
5.5%
Unemployment
2.9%

Race & ethnicity

White
97.4%
Black
0%
Asian
1.1%
Hispanic
0.4%

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

Geography

Latitude
42.6458
Longitude
-92.4624
Water area
0.06 mi²
View on OpenStreetMap

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

Climate

Current forecast

Today
71°F
Mostly Cloudy then Rain Showers Likely
Tonight
62°F
Showers And Thunderstorms Likely
Wednesday
70°F
Showers And Thunderstorms
Wednesday Night
60°F
Showers And Thunderstorms
Thursday
66°F
Rain Showers
Thursday Night
51°F
Chance Rain Showers

Forecast for Janesville, IA from NOAA NWS API.

Air quality

Industrial & pollution facilities

Natural hazard risk

Health (adults)

High blood pressure
27.6%
Diabetes
7.4%
Adult obesity
36.5%
Binge drinking
24.7%
Adult smoking
12%
No leisure activity
18.1%

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

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
90,516
Distinct species (top 10)
10

Most-observed species

  • Black-capped Chickadee
    Poecile atricapillus (Linnaeus, 1766) · Aves
    3,690
  • Northern Cardinal
    Cardinalis cardinalis (Linnaeus, 1758) · Aves
    3,622
  • American Crow
    Corvus brachyrhynchos C.L.Brehm, 1822 · Aves
    3,417
  • Blue Jay
    Cyanocitta cristata (Linnaeus, 1758) · Aves
    3,289
  • Downy Woodpecker
    Dryobates pubescens (Linnaeus, 1766) · Aves
    3,145
  • White-breasted Nuthatch
    Sitta carolinensis Latham, 1790 · Aves
    2,892
  • Canada Goose (canadensis Group)
    Branta canadensis (Linnaeus, 1758) · Aves
    2,790
  • Red-bellied Woodpecker
    Melanerpes carolinus (Linnaeus, 1758) · Aves
    2,705

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

Schools

Total
12
Elementary
5
Middle
2
High
4
Other
1

Largest nearby schools

  • Waverly-Shell Rock Senior High School
    High · Waverly · 771 students · 16.1:1 ratio
  • Waverly-Shell Rock Middle School
    Middle · Waverly · 699 students · 13.7:1 ratio
  • K-5 Elementary School Lincoln Street Building
    Elementary · Denver · 467 students · 16.1:1 ratio
  • Janesville Elementary School
    Elementary · Janesville · 267 students · 16.7:1 ratio
  • Denver Senior High School
    High · Denver · 262 students · 14.6:1 ratio
  • Janesville Junior-Senior High School
    High · Janesville · 237 students · 21.5:1 ratio
  • Margaretta Carey Elementary School
    Elementary · Waverly · 237 students · 15.8:1 ratio
  • West Cedar Elementary School
    Elementary · Waverly · 230 students · 19.2:1 ratio

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

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
0
Largest magnitude
—
Largest event
—

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

Photos

Sights & places nearby

Notable people from here

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

Nearby places in Iowa

Browse all places in Iowa →

Geography & sun

Nearby airports

Public attention

Books about this place

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Nearest stream gauge

Events

Sources

  • • Wikipedia
  • • US Census Bureau (ACS 5-year estimates)
  • • NOAA National Weather Service
  • • Wikidata
  • • USGS Earthquake Catalog (global feed)
  • • NCES via Urban Institute Education Data Portal
  • • GBIF (Global Biodiversity Information Facility)
  • • CDC PLACES