Clarence, IA Profile: Facts & Data


Clarence Local Links & Resources:
Resources | ALL Clarence Content
Planning to visit Clarence? See Local Hotels

Also See: Clarence, IA ZIP Codes & ZIP Code Maps

Clarence, Iowa - Basic Facts

Quick & Easy Tools

The City of Clarence had a population of 1,096 as of July 1, 2021. Clarence ranks in the upper 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 Clarence is located at latitude 41.8889 and longitude -91.0565 in Cedar County. The formal boundaries for the City of Clarence encompass a land area of 0.68 sq. miles and a water area of 0 sq. miles. Cedar County is in the Central time zone (GMT -6). The elevation is 833 feet.

The City of Clarence 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 Clarence is located within Township of Dayton, a minor civil division (MCD) of Cedar County.

Alternate Unofficial Names for Clarence: Onion Grove, Onion Grove Station.

Jump to... (On This Page!)
  1. Clarence 2021 Demographic Data
  2. Growth Rates for Clarence (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Iowa Research Tools (Easy Tools & Current Data)
  3. Iowa Data Comparison Tool - 2021 Demographics

Clarence, IA Data & Demographics (As of July 1, 2021)


Total Population 1,096 (100%)
Population in Households 1,052 (96.0%)
Population in Families 806 (73.5%)
Population in Group Quarters1 44 ( 4.0%)
Population Density 1,439
Diversity Index2 11


Median Household Income $49,791
Average Household Income $61,541
% of Income for Mortgage4 10%
Per Capita Income $27,049
Wealth Index5 57


Total HU (Housing Units) 527 (100%)
Owner Occupied HU 383 (72.7%)
Renter Occupied HU 96 (18.2%)
Vacant Housing Units 48 ( 9.1%)
Median Home Value $112,302
Average Home Value $127,742
Housing Affordability Index3 230


Total Households 479
Average Household Size 2.2
Family Households 284
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population 1.05% 0.65%
Households 1.22% 0.78%
Families 1.07% 0.63%
Median Household Income   1.62%
Per Capita Income   2.11%
Owner Occupied HU   0.92%

Clarence, IA - Peer Comparisons by Rank and Percentile

The table below compares Clarence to the other 1,008 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2021 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 # 264 74th
Population Density # 106 90th
Median Household Income # 880 13th
Housing Affordability Index # 538 53rd
Per Capita Income # 803 20th
Diversity Index # 513 49th

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

Clarence, IA - Most Popular Things to Do

Also See: Nearby Hotels | Driving Directions

Use HTL Address Research for a Iowa Address and get...

Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2021, data includes home values, household income, percentage of homes owned, rented or vacant, etc.

Quick & Easy Ways to...

  1. Get Current Demographic Data for Cities, Towns, and ZIP Codes
  2. View Boundary Maps, for Cities, Towns, and ZIP Codes
  3. Locate Physical, Cultural, and Historical Features

Iowa Census Data Comparison Tool

Compare Iowa July 1, 2021 Data
Highest or Lowest: