US county broadband & internet-access intelligence (annual)

Name: US county broadband & internet-access intelligence (annual)
Creator: U.S. Census Bureau
License: https://www.census.gov/about/policies.html
Keywords: us, county, broadband, internet, connectivity, digital, annual, rankings

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Annual US county broadband-adoption intelligence from the Census Bureau American Community Survey 5-year estimates, table B28002 (keyless official bulk .dat, U.S. public domain): broadband of any type, wired cable/fiber/DSL, dial-up-only, no-internet and no-subscription household shares for every US county and county-equivalent (including DC and Puerto Rico's municipios) over the 2021-2024 vintages, with per-vintage gaps versus the US national share, vintage-over-vintage change, a documented 0-100 digital-readiness score with per-vintage national county ranks and i1-i4 tiers, and most/least-connected plus improving/slipping flags. Estimates only (margins of error not carried). Source: U.S. Census Bureau, American Community Survey.

Source: U.S. Census Bureau
Rows: 12,887
Columns: 25
Source cadence: Yearly
Last refreshed: Oct 2, 2026
Theme: economy

Column	Type	Description
year	integer	ACS 5-year vintage end year (e.g. 2024 = 2020-2024 5-year estimates). Table-based summary files start at the 2021 vintage. (unit: year)
country_code	string	ISO alpha-3 country code (USA for every row). (unit: ISO 3166-1 alpha-3)
state_fips	string	2-digit Census FIPS state code (e.g. 06 = California, 11 = District of Columbia, 72 = Puerto Rico).
county_fips	string	5-digit Census FIPS county code (state + county), the primary join key (e.g. 06001 = Alameda County, CA).
geo_code	string	Geography code, equal to county_fips. (unit: 5-digit FIPS)
geo_name	string	County/county-equivalent name from the Census Geos reference (e.g. 'Autauga County, Alabama').
state_name	string	State/territory name.
total_households	integer	Total households, the B28002 universe (B28002_001). (unit: households)
broadband_any_share_pct	float	Households with broadband of any type (B28002_004) as a share of all households. (unit: percent)
wired_broadband_share_pct	float	Households with broadband such as cable, fiber optic or DSL (B28002_007) as a share of all households. (unit: percent)
dialup_only_share_pct	float	Households with dial-up and no other type of internet subscription (B28002_003) as a share of all households. (unit: percent)
no_internet_share_pct	float	Households with no internet access at all (B28002_013) as a share of all households. (unit: percent)
no_subscription_share_pct	float	Households without an internet subscription of any kind (total minus B28002_002) as a share of all households. (unit: percent)
broadband_gap_vs_us_pp	float	Per-vintage gap versus the US national broadband-any share: county share minus US share. Positive = county more connected than the nation. (unit: percentage points)
broadband_chg_pp	float	Vintage-over-vintage change in broadband-any share (percentage points), matched on GEO_ID. Null for the 2021 base vintage and for GEO_IDs new to a vintage (e.g. Connecticut's 2022 planning regions); never backfilled. (unit: percentage points)
us_broadband_any_share_pct	float	US national broadband-any household share (from the national 0100000US row), broadcast on every row. (unit: percent)
us_wired_broadband_share_pct	float	US national wired-broadband household share, broadcast on every row. (unit: percent)
digital_readiness_score	float	Documented 0-100 digital-readiness score: 100 * (r - 1) / (n - 1) with r the average 1-based rank of the county's broadband-any share (ascending) inside its vintage. (unit: 0-100)
readiness_rank	integer	Per-vintage national rank of broadband-any share across all counties (1 = most connected; competition ranking, ties share the rank).
readiness_tier	string	Readiness tier from the score: i4_most_connected (>= 75), i3_connected (>= 50), i2_lagging (>= 25), i1_least_connected (< 25).
most_connected_flag	integer	1 when readiness_rank <= 100 (top-100 connected counties).
least_connected_flag	integer	1 when readiness_rank is in the bottom 100 of its vintage.
improving_flag	integer	1 when broadband_chg_pp >= +0.5 (connectivity improving vintage-over-vintage).
slipping_flag	integer	1 when broadband_chg_pp <= -0.5 (connectivity slipping vintage-over-vintage).
row_hash	string	Deterministic 16-hex sha256 over CENSUSBB\|<county_fips>\|<year>; stable across re-ingests of identical data.

First 10 sample rows — a preview, not the complete dataset.

year	country_code	state_fips	county_fips	geo_code	geo_name	state_name	total_households	broadband_any_share_pct	wired_broadband_share_pct	dialup_only_share_pct	no_internet_share_pct	no_subscription_share_pct	broadband_gap_vs_us_pp	broadband_chg_pp	us_broadband_any_share_pct	us_wired_broadband_share_pct	digital_readiness_score	readiness_rank	readiness_tier	least_connected_flag	row_hash
2,021	USA	01	01001	01001	Autauga County, Alabama	Alabama	21,856	85.464	65.675	0.096	12.71	14.44	-1.537	—	87.001	72.014	73.73	847	i3_connected	0	6d84eefbdba66742
2,021	USA	01	01003	01003	Baldwin County, Alabama	Alabama	87,190	87.856	65.521	0.387	9.792	11.757	0.856	—	87.001	72.014	84.01	516	i4_most_connected	0	8cfc012128b46692
2,021	USA	01	01005	01005	Barbour County, Alabama	Alabama	9,088	64.613	39.756	0.099	27.707	35.288	-22.388	—	87.001	72.014	4.75	3,068	i1_least_connected	0	70211c50ee6c6023
2,021	USA	01	01007	01007	Bibb County, Alabama	Alabama	7,083	74.601	37.103	0.085	23.705	25.314	-12.4	—	87.001	72.014	20.43	2,563	i1_least_connected	0	8f64fe2ecefb7542
2,021	USA	01	01009	01009	Blount County, Alabama	Alabama	21,300	80.958	49.62	0.446	16.822	18.596	-6.043	—	87.001	72.014	46.43	1,726	i2_lagging	0	ffce8cc7e2baf87e
2,021	USA	01	01011	01011	Bullock County, Alabama	Alabama	3,419	59.433	42.556	1.755	30.623	38.813	-27.568	—	87.001	72.014	2.55	3,139	i1_least_connected	1	750fe15386033d7c
2,021	USA	01	01013	01013	Butler County, Alabama	Alabama	6,531	76.344	52.84	0.107	19.476	23.549	-10.657	—	87.001	72.014	25.99	2,384	i2_lagging	0	d90128515e0d2185
2,021	USA	01	01015	01015	Calhoun County, Alabama	Alabama	44,295	81.569	59.223	0.169	16.478	18.262	-5.432	—	87.001	72.014	50.28	1,602	i3_connected	0	7bba7705f074f2a1
2,021	USA	01	01017	01017	Chambers County, Alabama	Alabama	13,123	77.132	60.901	0.099	21.047	22.769	-9.869	—	87.001	72.014	28.94	2,289	i2_lagging	0	ae62048bc49932d6
2,021	USA	01	01019	01019	Cherokee County, Alabama	Alabama	9,692	76.671	42.582	0.382	20.945	22.947	-10.329	—	87.001	72.014	27.11	2,348	i2_lagging	0	3cf51d3e11f8b0e8

Profiled Oct 2, 2026 from snapshot 20261002T034610Z-d0f8abc0979d

Measured

Completeness: 99%
Rows: 12,887
Columns: 25
Columns with gaps: 1

Rows per yearyear · 2021–2024 · 4 years

20212024

Column	Missing	Distinct	Range	Distribution
yearbigint	0%	4	2,021 → 2,024median 2,023
country_codevarchar	0%	1	—	USA12,887
state_fipsvarchar	0%	54	—	481,016 13636 51532
county_fipsvarchar	0%	2,816	—	010014 010034 010054
geo_codevarchar	0%	2,816	—	010014 010034 010054
geo_namevarchar	0%	3,466	—	Abbeville County, South Carolina4 Acadia Parish, Louisiana4 Accomack County, Virginia4
state_namevarchar	0%	59	—	Texas1,016 Georgia636 Virginia532
total_householdsbigint	0%	11,180	17 → 3,416,449median 10,110	257 outside 1st–99th percentile
broadband_any_share_pctdouble	0%	17,355	33.26 → 100median 84.3	258 outside 1st–99th percentile
wired_broadband_share_pctdouble	0%	10,699	0 → 94.71median 62.71	258 outside 1st–99th percentile
dialup_only_share_pctdouble	0%	10,060	0 → 21.73median 0.1938	129 outside 1st–99th percentile
no_internet_share_pctdouble	0%	11,645	0 → 65.2median 12.66	258 outside 1st–99th percentile
no_subscription_share_pctdouble	0%	12,551	0 → 66.31median 15.36	258 outside 1st–99th percentile
broadband_gap_vs_us_ppdouble	0%	10,819	-54.78 → 11.65median -4.78	258 outside 1st–99th percentile
broadband_chg_ppdouble	25.1%	11,119	-9.47 → 18.83median 1.63	194 outside 1st–99th percentile
us_broadband_any_share_pctdouble	0%	4	87 → 90.98median 89.71	6,443 outside 1st–99th percentile
us_wired_broadband_share_pctdouble	0%	4	72.01 → 75.62median 74.58
digital_readiness_scoredouble	0%	4,974	0 → 100median 50	256 outside 1st–99th percentile
readiness_rankbigint	0%	3,219	1 → 3,222median 1,611	255 outside 1st–99th percentile
readiness_tiervarchar	0%	4	—	i4_most_connected3,224 i1_least_connected3,223 i2_lagging3,220
most_connected_flagbigint	0%	2	0 → 1median 0
least_connected_flagbigint	0%	2	0 → 1median 0
improving_flagbigint	0%	2	0 → 1median 1
slipping_flagbigint	0%	2	0 → 1median 0
row_hashvarchar	0%	10,741	—	000318bf10812ec11 00061efcad6216471 0007fc3c726a154d1

Point any LLM at the metadata endpoint — the documentation above is machine-readable too (JSON-LD + Croissant).

cURL

curl "https://datazimuts.com/v1/datasets/census_acs_county_broadband_intel/us_county_broadband_annual" | jq '{title, rows, columns_count, license}'

Python

import requests

ds = requests.get("https://datazimuts.com/v1/datasets/census_acs_county_broadband_intel/us_county_broadband_annual").json()
print(ds["title"], ds["rows"], "rows")

# Sample rows for an LLM context window
for row in ds.get("sample_rows", [])[:5]:
    print(row)

API endpoint: https://datazimuts.com/v1/datasets/census_acs_county_broadband_intel/us_county_broadband_annual

Tip: fetch /llms.txt for the full machine-readable catalog.

Cite this snapshot

Pinned to snapshot 20261002T034610Z-d0f8abc0979d and its content hash, so readers get exactly the data you used.

APA

U.S. Census Bureau. (2026). US county broadband & internet-access intelligence (annual) [Data set, snapshot 20261002T034610Z-d0f8abc0979d, sha256 d0f8abc0979d]. Datazimuts. Retrieved 2026-10-02, from https://datazimuts.com/en/datasets/census_acs_county_broadband_intel/us_county_broadband_annual?snapshot=20261002T034610Z-d0f8abc0979d

BibTeX

@misc{dz_census_acs_county_broadband_intel_us_cou_d0f8abc0,
  title        = {{US county broadband \& internet-access intelligence (annual)}},
  author       = {{U.S. Census Bureau}},
  year         = {2026},
  publisher    = {Datazimuts},
  howpublished = {\url{https://datazimuts.com/en/datasets/census_acs_county_broadband_intel/us_county_broadband_annual?snapshot=20261002T034610Z-d0f8abc0979d}},
  note         = {Snapshot 20261002T034610Z-d0f8abc0979d, sha256 d0f8abc0979d6c7fb515a6a0c0d6e4b99397423e915d41ebb3270f9ab824e6b3; accessed 2026-10-02}
}

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US county broadband & internet-access intelligence (annual)

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