Janesville, IA Profile: Facts, Map & Data

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Janesville, Iowa - Basic Facts

The City of Janesville is an incorporated place (Class Code P1) located in Black Hawk County at latitude 42.6458 and longitude -92.4624. Black Hawk County is in the Central time zone (GMT -6). The elevation is 899 feet.

The formal official name is the City of Janesville, but most people and references simply refer to it as Janesville, Iowa.

The P1 Census Class Code for Janesville indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

The City of Janesville is an incorporated place (Class Code P1) located in Bremer County at latitude 42.6458 and longitude -92.4624. Bremer County is in the Central time zone (GMT -6). The elevation is 899 feet.

The formal official name is the City of Janesville, but most people and references simply refer to it as Janesville, Iowa.

The P1 Census Class Code for Janesville indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

City of Janesville, IA Boundary Map

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Boundary Maps: Township of Jackson | Black Hawk County | Iowa Counties

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Janesville, IA Data & Demographics (As of July 1, 2014)

POPULATION

Total Population 969
Population in Households 969
Population in Familes 805
Population in Group Qrtrs 0
Population Density1 675
Diversity Index2 7
 

HOUSEHOLDS

Total Households 419
Average Household Size 2.31
Family Households 292
Average Family Size 3

HOUSING

Total Housing Units 420 (100%)
Owner Occupied HU 341 (81.2%)
Renter Occupied HU 78 (18.6%)
Vacant Housing Units 1 ( 0.2%)
Median Home Value $175,685
Average Home Value $191,519
 

INCOME

Median Household Income $65,672
Average Household Income $73,961
Per Capita Income $30,854
  (Compound Annual Growth Rates)

GROWTH RATES

2010-2014 2014-2019
Population 0.97% 1.11%
Households 1.22% 1.17%
Families 2.58% 0.94%
Median Household Income   3.06%
Per Capita Income   2.52%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

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Janesville, IA - Peer Comparisons by Rank and Percentile

The table below compares Janesville to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2014 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 296 71st
Population Density1 # 519 49th
Diversity Index2 # 654 37th
Median Household Income # 124 88th
Per Capita Income # 133 87th

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.