- All my questions are for United States (US) Gen X + Y demographics:
- Preference is 18-39 years old. 

1. Population size of ages 18 - 39?
2. Percentage of this group to the overall US population?
3. Of 18-39 years old how many (%) live in the Urban(City) area?
4. Of 18-39 years old how many are single, college educated, minority,
male/female - percentages?
5. Of 18 ? 39 years old average income ? compared to overall
population average income ?
6. Of 18-39 years old how many use the interent regularly (more than once a week)?
7. Percentage that read movie review online prior to watching it?

<1. 
The U.S. Census Bureau gives population data for various demographic
groups. The figure for 18 to 39 year olds comes from two sources as
shown below.
Population of 18 to 39 year olds ? 87,965,000

18 to 24 years - 27,438,000
http://ferret.bls.census.gov/macro/032003/perinc/new02_003.htm

25 to 34 years ? 39,243
35 to 39 years ? 21,284
http://ferret.bls.census.gov/macro/032003/perinc/new01_001.htm

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2. 
The percentage of 18 to 39 year olds to the overall population is 30%.
Total population ? 2002 estimate 288,368,698 (Source ? U.S. Census Bureau).
http://quickfacts.census.gov/qfd/states/00000.html
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3. 
This document from the U.S. Census Bureau gives a breakdown of the
population by age in Metropolitan areas and in central cities.

Metropolitan areas
15 to 19 years 15,980,862
20 to 24 years 15,436,981
25 to 34 years 33,118,015
35 to 44 years 36,765,906

Central cities
15 to 19 years 6,229,626
20 to 24 years 7,365,797
25 to 34 years 13,935,332
35 to 44 years 13,021,399

http://www.census.gov/prod/cen2000/dp1/2khus.pdf

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4. 
The closest data that I could find for singles was for the 18-44 age group.

For those age 18-44 years 41% are single.
Single, 18 to 24 years -  23,339,000 (total ? 27,438,000) ? 85% single
http://ferret.bls.census.gov/macro/032003/perinc/new02_003.htm
25 to 44 years ? 21,846,000 (total - 83,316,000) ? 26% single
http://ferret.bls.census.gov/macro/032003/perinc/new02_004.htm


Minorities ? 21%
Breakdown by ethnic minority are give at
http://ferret.bls.census.gov/macro/032003/perinc/new01_000.htm

The figure of 21% is calculated by deducting the number of whites from the total.
White only
18 to 24 years 21,486,000
http://ferret.bls.census.gov/macro/032003/perinc/new02_003.htm

25 to 34 years 30,955,000
35 to 39 years 17,061,000
http://ferret.bls.census.gov/macro/032003/perinc/new01_003.htm


Males
Total number of males aged 18 to 39 years ? 43,908,000 ? 50%
Number of males aged 18 to 24 years ?13,834,000
http://ferret.bls.census.gov/macro/032003/perinc/new02_027.htm
24 to 34 years ? 19,564,000
35 to 39 years ? 10,510,000
http://ferret.bls.census.gov/macro/032003/perinc/new01_010.htm

Females
Total number of females aged 18 to 39 years ? 44,057,000 ?50.%
18 to 24 years - 13,604,000
http://ferret.bls.census.gov/macro/032003/perinc/new02_051.htm

25 to 29 years 9,339,000
30 to 34 years 10,340,000
35 to 39 years 10,774,000
http://ferret.bls.census.gov/macro/032003/perinc/new01_019.htm

25 to 44 years ? 42,019,000
http://ferret.bls.census.gov/macro/032003/perinc/new02_004.htm


Education
Those with a bachelor?s degree aged 18 to 39 ? 13,499,000 ? 15%
18 to 24 years  ? 1,761,000
25 to 34 years ? 7,885,000
35-39 years ? 3,853,000
http://ferret.bls.census.gov/macro/032003/perinc/new04_001.htm

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5. 
Overall population average income is $32,222
For ages 15 to 39, average income is between $12,311 - $39,119
15 to 24 years $12,311
25 to 29 years $28,147
25 to 34 years $31,461
30 to 34 years $34,429
35 to 39 years $39,119

http://ferret.bls.census.gov/macro/032003/perinc/new01_001.htm
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6.
According to a report from the Online Publishers Association, on a
monthly basis 83.3 percent of 18-34 year olds use the internet for
information about entertainment.
72% of Americans aged 18 to 34 regularly access the web. This age
group comprises 24 % of the total U.S. population.
http://66.102.11.104/search?q=cache:HgT6tzrn2PMJ:www.mnnewspapernet.org/bulletin/PDF/2004/bull18.pdf+%22movie+reviews%22+respondents+%22use+the+internet%22&hl=en
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7.

The NAA Movie Market Study shows that between 4 and 6% are influenced
by the internet in deciding whether or not to watch a movie. A greater
percentage use the internet to check listings 13-16%.
http://www.naa.org/display/movies/movie_study_print.html>


<Additional links:>

<US Census Bureau>
<http://www.census.gov/>


<Search strategy:>

<census bureau>
<://www.google.com/search?sourceid=navclient&q=census+bureau>

<"movie reviews" respondents "use the internet">
<://www.google.com/search?q=%22movie+reviews%22+respondents+%22use+the+internet%22&hl=en&lr=&ie=UTF-8&start=70&sa=N>


<Hope this helps.>

Thank you, I am pleased with the references you were able to find. Thanks.