Delta, IA Profile: Facts, Map & Data


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Delta, Iowa - Basic Facts

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The City of Delta had a population of 290 as of July 1, 2017. Delta ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Delta is located at latitude 41.3226 and longitude -92.3304 in Keokuk County. The formal boundaries for the City of Delta (see map below) encompass a land area of 0.93 sq. miles and a water area of 0 sq. miles. Keokuk County is in the Central time zone (GMT -6). The elevation is 804 feet.

The City of Delta (GNIS ID: 2394511) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Delta is located within Township of Warren, a minor civil division (MCD) of Keokuk County.

Beneath the boundary map are tables with Delta population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Delta, IA Boundary Map

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Boundary Maps: Township of Warren | Keokuk County | Iowa Counties

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Delta, IA Data & Demographics (As of July 1, 2017)


Total Population 290
Daytime Population: Workers 15
Daytime Population: Residents 160
Total Daytime Population (TDP) 175
Ratio TDP/Total Population1 0.60
Population in Households 290
Population in Familes 216
Population in Group Qrtrs 0
Population Density2 311
Diversity Index3 9


Median Household Income $41,872
Average Household Income $49,103
Per Capita Income $22,518


Total Housing Units 152 (100%)
Owner Occupied HU 104 (68.4%)
Renter Occupied HU 34 (22.4%)
Vacant Housing Units 14 ( 9.2%)
Median Home Value $51,190
Average Home Value $96,117


Total Households 138
Average Household Size 2.1
Family Households 80
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population -1.68% -1.35%
Households -1.76% -1.49%
Families 0.35% -1.55%
Median Household Income   3.99%
Per Capita Income   3.0%

Delta, IA - Peer Comparisons by Rank and Percentile

The table below compares Delta to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2017 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 # 604 40th
Population Density # 770 24th
Diversity Index # 522 48th
Median Household Income # 921 9th
Per Capita Income # 925 8th

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

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