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Analyzing Nevada’s Adjusted Redistricting Data

Used for US congressional and state legislative redistricting

Full Report

The expanded report provides a detailed breakdown of the PL 94-171 data as released by the Census Bureau, compared to the reallocated, or adjusted data, provided by the state’s official redistricting body.

Specifically, this report details the differences in total population by census block, block group, tract, county, and state before and after reallocation. In states where comparisons are possible, these population differences are broken down by race and ethnicity.

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Overview

Nevada uses adjusted (or modified) data for US congressional and state legislative redistricting

  • 3,104,614 total population in the original PL file
  • 3,104,614 total population in the adjusted PL file
  • 0 total population difference between the two

Even in states where where the total population is unchanged, the distribution of population within the state can be affected.

To give you a sense for how these population shifts affect Nevada’s redistricting, the average district sizes in Nevada are:

  • 73,919 people per state House district
  • 147,838 people per state Senate district
  • 776,153 people per Congressional district

The dataset used to create this report is the official redistricting dataset.

County Level Analysis

See the appendix for a detailed breakdown of county level population changes.

Nevada's Adjusted Data Population Changes by County with Facility Locations

Block Level Analysis

In general, the changes in block population are not uniform: most blocks are unaffected by modification, while a handful of blocks lose a large amount of population that goes to a larger number of blocks in smaller quantities.

  • 57,409 census blocks in Nevada
  • 52,764 census blocks have the same population following modification
  • 4,627 census blocks gained population following modification
  • 18 census blocks lost population following adjustment (Of the 18 census blocks that lost population following reallocation, 18 contained facilities according to our analysis conducted with PPI data.)
  • 0 census blocks have a negative population following modification.
Population Change Number of Blocks
Gained 100+ 0
Gained 51-100 3
Gained 11-50 27
Gained 6-10 112
Gained 1-5 4,485
No Change 52,764
Lost 1-5 0
Lost 6-10 0
Lost 11-50 0
Lost 51-100 5
Lost 100+ 13

Official Language

The official language for Nevada’s adjustment is:

Upon the completion of the national decennial census conducted by the Bureau of the Census of the United States Department of Commerce, the State Demographer shall revise the population counts for every block, block group and census tract as set forth in the census to count every inmate who was a resident of the State before incarceration in the block, block group and census tract of which an inmate was a resident before his or her incarceration… The population counts for every block, block group and census tract as revised by the State Demographer pursuant to NRS 360.288 must be used for the apportionment of legislative districts…. The population counts for every block, block group and census tract as revised by the State Demographer pursuant to NRS 360.288 must be used for the apportionment of congressional districts. [S]

Appendix

Eight categories of race data were used, the total of these racial groups adds up to 100 percent.

  1. Non-Hispanic White
  2. Non-Hispanic Black plus Non-Hispanic Black and White
  3. Non-Hispanic Asian plus Non-Hispanic Asian and White
  4. Non-Hispanic American Indian plus Non-Hispanic American Indian and White
  5. Non-Hispanic Pacific Islander plus Non-Hispanic Pacific Islander and White
  6. Non-Hispanic Some Other Race plus Non-Hispanic Some Other Race and White
  7. Non-Hispanic Other multiple-race (where more than one minority race is listed)
  8. Hispanic
County Adjusted Population Diff. 1 White 2 Black 3 Asian 4 American Indian 5 Pacific Islander 6 Some Other Race 7 Other multiple-race 8 Hispanic
Clark 1,272 39.4% 13.2% 11.7% 1.1% 1.0% 1.1% 1.5% 31.0%
Washoe 1,113 59.2% 3.1% 7.2% 2.5% 0.8% 1.4% 0.7% 25.1%
Nye 129 72.3% 3.6% 2.7% 3.1% 0.7% 1.6% 0.6% 15.4%
Lyon 95 71.5% 1.5% 2.4% 4.5% 0.5% 1.7% 0.5% 17.5%
Douglas 54 78.5% 0.7% 2.7% 3.4% 0.3% 1.6% 0.4% 12.4%
Churchill 49 70.0% 2.5% 3.8% 6.7% 0.4% 1.8% 0.7% 14.1%
Lander 11 69.3% 0.2% 0.7% 5.3% 0.3% 1.4% 0.8% 21.9%
Mineral 8 62.8% 4.3% 2.2% 17.5% 0.2% 0.9% 0.9% 11.2%
Storey 5 81.3% 0.7% 2.8% 3.7% 0.3% 2.1% 0.8% 8.3%
Eureka 3 83.3% 0.2% 0.5% 3.1% 0.2% 2.2% 0.9% 9.6%
Esmeralda 0 71.5% 1.4% 0.7% 5.3% 0.1% 0.1% 1.8% 19.1%
Humboldt -32 63.8% 1.1% 1.4% 5.1% 0.2% 1.9% 0.3% 26.1%
Elko -99 63.6% 1.3% 1.6% 6.3% 0.3% 1.3% 0.3% 25.3%
Lincoln -146 85.3% 3.8% 0.5% 2.0% 0.4% 0.8% 0.6% 6.5%
White Pine -581 70.0% 5.1% 1.4% 5.8% 0.2% 1.0% 0.4% 16.0%
Pershing -855 63.1% 5.5% 1.9% 5.2% 0.2% 1.0% 0.5% 22.5%
Carson City -1,026 63.2% 2.4% 3.2% 3.6% 0.3% 1.4% 0.5% 25.4%