1970 Neighborhood Characteristics Record

(included on neighborhood samples only)
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The 55 neighborhood characteristics are ratios recorded in the range .00 to .99 (decimal implied) except where noted otherwise. Both numerator and denominator are given in the variable descriptions below. Values are rounded to the nearest decimal place recorded. A 99 represents any value above 98.5.1

* A value of 1.00 or more is recorded as .99.

General Population Characteristics
H: 242-243 NPOP17
Population 0-17 years old / total population.
H: 244-245 NPOP65
Population 65 years and over / total population.
H: 246-247 NPOPHH
Population in households / total households (Range: 0.0 to 9.9).
H: 248-249 NPOPIND
Primary individuals / total households.
H: 250-251 NPOPGQ
Population in group quarters, including inmates / Total population.
Family and Fertility
H: 252-253 NFAMFEMH
Families with female head / total families.
H: 254-255 N17HWFAM
Persons 0-17 in husband-wife families / total persons 0-17 years old.
H: 256-257 NSEPDIV
Separated and divorced population / total ever-married population.
H: 258-259 NCHBORN
Children ever born to ever-married females 35-44 years old / Total ever-married females 35-44 years old (Range: 0.0 to 9.9).
Ethnic Groups
H: 260-261 NBLACK
Black Population / total population.
H: 262-263 NSPANISH
Persons of Spanish heritage / total population.2
H: 264-265 NFOREIGN
Persons of foreign stock / total population.
Education
H: 266-267 NNOSCHL
Persons 16-21 years old not enrolled in school and not high school graduates / total persons 16-21years old.
H: 268-269 NPOP1621
Population 16-21 years old / total population,
H: 270-271 NCOLL
Persons 3-34 years old enrolled in college / Persons 18-21 years old. *
H: 272-273 NEDUC7
Persons 25-54 with 0-7 years of school completed / Total persons 25-54 years old. 
H: 274-275 NEDUC12
Persons 25-54 years old with 12 or more years of school completed / Total persons 25-54 years old.
H: 276-277 NCOLL4
Persons 25-54 with 4 or more years of college completed / Total persons 25-54 years old.
H: 278-279 NEDUCMED
Median years of school completed for persons 25-54.
Mobility
H: 280-281 NSAMHOUS
Persons 5 and over living in same house as 5 years ago / Total persons 5 years old and over.
H: 282-283 NDIFCNTY
Persons 5 and over living in different county 5 years ago / Total persons 5 years old and over.
Employment
H: 284-285 NLFPM
Male civilian labor force 16 years old and over / Total civilian males 16 years old and over.
H: 286-287 NLFPF
Female civilian labor force 16 years old and over / Total civilian females 16 years old and over.
H: 288-289 NNOWORK
Persons 16-21 years old not enrolled in school, unemployed or not in labor force / Total persons 16-21 years old not enrolled in school.
H: 290-291 NUNEMP
Unemployed persons 16-21 years old / Total civilian labor force 16-21 years old.
Occupation and Industry
H: 292-293 NPROFMGR
Employed professional, technical, and kindred workers; and managers and administrators except farm managers; 16 years old and over / Total persons 16 years old and over in employed civilian labor force (ECLF).
H: 294-295 NAGRIC
Employed farmers, farm managers, farm laborers, and farm foremen 16 years old and over / Total employed persons 16 years old and over.
H: 296-297 NBLUE
Employed blue collar workers (craftsmen and kindred workers, operatives including transport equipment operatives, and laborers except farm) 16 years old and over / Total employed 16 years old and over.
Income
H: 298-299 NFINC5
Families with less than $5,000 family income / Total families.
H: 300-301 NFINC15
Families with $15,000 or more family income / Total families.
H: 302-303 NMEDINC
Median family income (in thousands of dollars).
H: 304-305 NGINI
Gini index of income concentration.3
H: 306-307 NFAMPOV
Families with income below the poverty level / Total families.
H: 308-309 NPOPPOV
Persons with income below the poverty level / Total population.
General Housing Characteristics
H: 310-311 NOWNEROC
Owner-occupied units / Total occupied units.
H: 312-313 NOCCUP
Occupied units with 1.01 or more persons per room / Total occupied units.
H: 314-315 NOCCPLUM
Occupied units with all plumbing facilities and with 1.01 or more persons per room / Total occupied units.
H: 316-317 NOCCNOPL
Occupied units lacking some or all plumbing facilities / Total occupied units.
Value or Rent
H: 318-319 NVALUE10
Owner-occupied units valued at less than $10,000 / Total owner-occupied units for which value is tabulated.
H: 320-321 NVALUE25
Owner-occupied units valued at $25,000 and over / Total owner-occupied units for which value is tabulated.
H: 322-323 NRENT40
Renter-occupied units with gross monthly rent less than $40 / Total renter-occupied units for which gross rent is tabulated excluding "no cash rent" units.
H: 324-325 NRENT60
Renter-occupied units with gross monthly rent less than $60 / Total renter-occupied units for which gross rent is tabulated excluding "no cash rent" units.
H: 326-327 NRENT150
Renter-occupied units with gross monthly rent $150 or more / Total renter-occupied units for which gross rent is tabulated excluding "no cash rent" units.
H: 328-329 NRATIO25
Units with gross rent-income ratio of .25 or more / Total renter-occupied units for which gross rent is tabulated.5
H: 330-331 NRATIO35
Units with gross rent-income ratio of .35 or more / Total renter-occupied units for which gross rent is tabulated.
Vacancy
H: 333-333 NVACANT
Vacant units -- year round / Total units -- year round.
H: 334-335 NVACRENT
Vacant for rent and vacant for sale / Total units -- year round.
Structural and Other Characteristics
H: 336-337 NUNITS1
Units in one-unit structures / Total units -- year round.
H: 338-339 NUNITS5
Units in structures of 5 or more units / Total units -- year round.
H: 340-341 N12ROOMS
One- and 2-room units / Total units -- year round.
H: 342-343 NTOTROOM
Total rooms in all units / Total units -- year round (Range: 0.0 to 9.9).
H: 344-345 NBUILT60
Units built 1960 or later / Total units -- year round.
H: 346-347 NBUILT39
Units built 1939 or earlier / Total units -- year round.
H: 348-349 NHEAT
Units with steam or hot water; central warm-air furnace; built-in electric units; and floor, wall or pipeless furnace / Total units -- year round.
H: 350-351 NAUTO
Households with one or more cars / Total number of households.
H: 352-356 NSERIAL
Neighborhood identificiation number. This variable ranges from 1 to 42947, grouping individuals by the "neighborhood" used to construct all 1970 Neighborhood characteristic variables.

NOTES

1. Modified from: Bureau of the Census, "Neighborhood Characteristic s Record", Public Use Samples of Basic Records From the 1970 Census: Description and Technical Documentation, Washington, D.C.: Department of Commerce, 1972, pp. 85-89.

2. The "Spanish heritage" population referred to here is differently defined in three areas of the country: in New York, New Jersey, and Pennsyvania, persons of Puerto Rican birth parentage; in Texas, Colorado, New Mexico, Arizona, and California, persons of Spanish language and/or Spanish surname; in all other States, persons of Spanish language.

3. The index of income concentration ranges from .01 to .99. As the index approaches 1.0, the greater is the inequality of the income distribution. A code of 00 indicates the index was suppressed due to unreliability.

4. Poverty status is not determined for inmates of institutions, armed forces living in military barracks, college students living in dormitories, or for unrelated individuals less than 14 years old.

5. Units where the primary individual or family income is zero or negative and units for which no cash rent is paid are excluded from tabulation of the rent-income ratio.

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