San Miguel County
New Mexico · County seat: Las Vegas · Active county or equivalent
FIPS code 35047 is San Miguel County, New Mexico. With a population of 27,215 (2022 ACS estimate), it ranks #16 in New Mexico and #1559 nationally. San Miguel County is part of the Las Vegas, NM. The state FIPS code for New Mexico is 35. This code is used in Census Bureau, BLS, EPA, HUD, and USDA federal datasets to identify this county.
County FIPS
35047
Population
27,215
2022 ACS · #1559 nationally
Density
5.8/mi²
people per sq mile
Land Area
4,716
sq miles
Urban/Rural
Nonmetro — urban 2.5K–19.9K, adjacent to metro
RUCC 6
How This FIPS Code Works
The 5-digit FIPS code 35047 is formed by combining the 2-digit state identifier 35 (New Mexico) with the 3-digit county identifier 047. Together they uniquely identify San Miguel County in every US federal dataset. No two counties share the same 5-digit FIPS code.
Census ACS Data for FIPS 35047
From the 2022 ACS 5-year estimates — the same values you'd retrieve by querying the Census API with county FIPS 35047.
Median Household Income
$43,490
ACS B19013_001E
Poverty Rate
23.5%
ACS B17001 (below poverty level)
Median Age
45.0
ACS B01002_001E
Metropolitan Area
Adjacent Counties (6)
Counties that share a border with San Miguel County. Useful for regional analysis — these are the geographies you'd typically include when studying labor markets, commuting zones, or environmental spillovers around FIPS 35047.
Federal Datasets Using Code 35047
FIPS code 35047 appears as the county identifier in the following federal datasets. Analysts joining data across these sources use this code as the common geographic key.
Using FIPS Code 35047 in Code
Common patterns for querying federal datasets by this county's FIPS code. The leading zeros are significant — always treat FIPS codes as strings, not integers.
import requests
url = "https://api.census.gov/data/2022/acs/acs5"
params = {
"get": "NAME,B19013_001E,B01003_001E",
"for": "county:047",
"in": "state:35",
"key": "YOUR_CENSUS_API_KEY",
}
r = requests.get(url, params=params)
data = r.json() # [[header...], [San Miguel County, New Mexico, income, pop, ...]
-- 5-digit combined FIPS (state + county)
SELECT * FROM your_table WHERE county_fips = '35047';
-- Some datasets store state and county separately
SELECT * FROM your_table
WHERE state_fips = '35'
AND county_fips = '047';
-- ⚠ Never cast to integer — leading zeros are lost:
-- county_fips = 35047 is WRONG for this county
library(tidycensus)
get_acs(
geography = "county",
variables = c(income = "B19013_001E", pop = "B01003_001E"),
state = "35",
county = "047",
year = 2022
)
ZIP Codes in San Miguel County
ZIP codes do not align perfectly with county boundaries — a single ZIP code can span multiple counties, and a county can contain parts of many ZIP codes. The ratios below (from the Census 2020 ZCTA relationship file) show the land area share of each ZCTA that falls within San Miguel County. Why FIPS ≠ ZIP →
| ZIP Code | % in county |
|---|---|
| 87731 | 100.0% |
| 88439 | 100.0% |
| 87538 | 100.0% |
| 87552 | 100.0% |
| 87560 | 100.0% |
| 87562 | 100.0% |
| 87565 | 100.0% |
| 87569 | 100.0% |
| 88421 | 100.0% |
| 87583 | 100.0% |
| 87701 | 100.0% |
| 88416 | 100.0% |
| 87746 | 94.3% |
| 87745 | 90.4% |
| 87711 | 75.3% |
| 87573 | 59.0% |
| 87742 | 58.2% |
| 88431 | 42.4% |
| 87056 | 13.6% |
| 88401 | 9.8% |
| 87535 | 7.3% |
| 88426 | 3.1% |
| 88321 | 2.6% |