Stillman Valley, IL 61084 ZIP Code Profile

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Stillman Valley, IL

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ZIP Code 61084: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Stillman Valley, IL 61084

Acceptable Alternative
Stillman Vly, IL 61084

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 46
  • Single Family Addresses: 1,057
  • Multi-Family Addresses: 0
  • County: Ogle County
  • Centroid: Latitude 42.115, Longitude -89.191
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 61084 has segments in 2 Counties (Ogle, Winnebago).

Neighborhood Data

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61084 ZIP Code Map

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Stillman Valley, IL 61084 Data & Demographics (As of July 1, 2017)


Total Population 3,289
Daytime Population: Workers 689
Daytime Population: Residents 1,463
Total Daytime Population (TDP) 2,152
Ratio TDP/Total Population1 0.65
Population in Households 3,289
Population in Familes 2,895
Population in Group Qrtrs 0
Population Density2 98
Diversity Index3 14


Median Household Income $68,237
Average Household Income $85,308
Per Capita Income $31,358


Total Housing Units 1,243 (100%)
Owner Occupied HU 1,002 (80.6%)
Renter Occupied HU 207 (16.7%)
Vacant Housing Units 34 ( 2.7%)
Median Home Value $174,483
Average Home Value $202,844


Total Households 1,209
Average Household Size 2.72
Family Households 941
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 0.41% -0.18%
Households 0.57% -0.07%
Families 0.43% -0.15%
Median Household Income   1.81%
Per Capita Income   2.94%

Stillman Valley, IL 61084 - Peer Comparisons by Rank and Percentile

The table below compares 61084 to the other 1,377 ZIP Codes in Illinois 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 # 558 60th
Population Density # 599 57th
Diversity Index # 646 53rd
Median Household Income # 291 79th
Per Capita Income # 399 71st

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

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