PlainZIP

Williamsburg, NM · standard

ZIP Code 87942

Sierra County, New Mexico - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

898
2/sq mi
$42,308
Median income
$114,800
Median home value
14.3%
Bachelor's or higher

The verdict

Williamsburg pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.

7th pct
household income, US ZIPs
15th pct
home value, US ZIPs
2
people per sq mi
86%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 87942 against every reporting US ZIP.

ZIP code 87942 is a sparsely populated ZIP (a standard USPS delivery area) in Williamsburg, Sierra County, New Mexico, home to just 898 residents across 390.4 square miles, a density of 2 people per square mile, in the Denver time zone.

ZIP 87942 reports a modest median household income of $42,308 (29% below the New Mexico average), while per-capita income is $28,729. Local economic indicators show a 4.3% poverty rate alongside 19.6% unemployment. Housing costs here run $114,800 for a typical home value (47% below the state average), with rent averaging $428 a month; 85.7% of homes are owner-occupied.

Formal educational attainment runs low here: just 14.3% of adults hold a bachelor's degree or higher, the median age is 62.3, and the average commute is -. We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Sierra County, so you can benchmark 87942 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 87942, Williamsburg, NM · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

898

Population

390.4

Area (sq mi)

2

People / sq mi

Denver

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 87942?

62.3

Median Age

45.2%

Male

54.8%

Female

18.6%

Foreign-Born

White 60.4%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 30.4%
Hispanic or Latino 35.2%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$42,308

Median Household Income

-29% vs state

$28,729

Per Capita Income

4.3%

Poverty Rate

19.6%

Unemployment Rate

How ZIP 87942 ranks nationally

Williamsburg, NM household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$42,308 7th percentile higher than 7% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 58.1%
Bachelor's Degree or Higher 14.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

720

Total Housing Units

456

Occupied Units

264

Vacant Units

2.20

Avg Household Size

Occupancy Type

Owner 85.7%
Renter 14.3%

$114,800

Median Home Value

-47% vs state

$428

Median Rent

1985

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 9 business establishments in ZIP 87942, employing approximately 32 people with a combined annual payroll of $1,146,000.

9

Businesses

32

Employees

$1.1M

Annual Payroll

0

Industry Sectors

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 87942 vs 87931 →

ZIP Code City Population Distance
87931 Caballo, NM 634 9.4 mi

More ZIP Codes in Sierra County

87901 standard
Truth Or Consequences, NM
Pop: 7,139
87935 standard
Elephant Butte, NM
Pop: 1,770
87930 standard
Arrey, NM
Pop: 829
87931 standard
Caballo, NM
Pop: 634
88042 standard
Hillsboro, NM
Pop: 250
87943 standard
Winston, NM
Pop: 228

Related Areas

Sierra County Williamsburg, NM New Mexico

Frequently Asked Questions

What county is ZIP code 87942 in? ▼
ZIP code 87942 (Williamsburg) is located in Sierra County, New Mexico. Sierra County contains multiple ZIP codes, see the full list at /counties/sierra-nm.
What is the population of ZIP code 87942? ▼
ZIP code 87942 in Williamsburg, NM has a population of 898 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 87942? ▼
The median household income in ZIP 87942 is $42,308, which is 45% below the national average of $76,288.
What is the average home value in ZIP 87942? ▼
The median home value in ZIP 87942 is $114,800, which is 59% below the national average of $278,155.
What is the demographic makeup of ZIP 87942? ▼
The largest racial group in ZIP 87942 is White at 60.4%. Hispanic or Latino residents make up 35.2% of the population.
How many businesses are in ZIP code 87942? ▼
ZIP code 87942 has 9 business establishments employing approximately 32 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 87942? ▼
In ZIP code 87942, 58.1% of residents aged 25+ have a high school diploma or higher, and 14.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 87942? ▼
In ZIP code 87942, approximately 85.7% of occupied housing units are owner-occupied and 14.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 87942? ▼
The poverty rate in ZIP code 87942 is 4.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.