Key Findings

Highest median household income

408 (CA)

$159,674 — San Jose

Highest population density

212 (NY)

71,842.13 people/sq mi — New York

The US median household income is $78,538 and the average population density is 94.06 people/sq mi. Area codes covering major metro areas (San Jose, San Francisco, Arlington, New York) tend to rank highest on both metrics.

Ranked by Income

#	Area Code	Location	Median Income	Poverty	vs National
1	408	CA · San Jose	$159,674	6.9%	Above avg
2	650	CA · San Mateo	$156,000	6.6%	Above avg
3	571	VA · Arlington	$150,113	6.0%	Above avg
4	363	NY · Hempstead	$143,408	5.7%	Above avg
5	415	CA · San Francisco	$141,446	9.8%	Above avg
6	631	NY · West Babylon	$128,329	6.4%	Above avg
7	339	MA · Lynn	$126,497	7.9%	Above avg
8	341	CA · Oakland	$126,240	9.1%	Above avg
9	925	CA · Concord	$125,727	8.5%	Above avg
10	201	NJ · Jersey City	$123,715	10.3%	Above avg
11	206	WA · Seattle	$122,148	8.4%	Above avg
12	425	WA · Bellevue	$122,148	8.2%	Above avg
13	227	MD · Columbia	$120,458	8.4%	Above avg
14	914	NY · Yonkers	$118,411	9.8%	Above avg
15	657	CA · Anaheim	$113,702	9.6%	Above avg
16	949	CA · Irvine	$113,702	9.5%	Above avg
17	331	IL · Aurora	$110,474	7.1%	Above avg
18	732	NJ · Toms River	$109,028	8.2%	Above avg
19	908	NJ · Elizabeth	$109,028	7.0%	Above avg
20	913	KS · Overland Park	$107,261	8.3%	Above avg
21	202	DC · Washington	$106,287	14.5%	Above avg
22	952	MN · Bloomington	$105,212	6.5%	Above avg
23	212	NY · New York	$104,553	15.8%	Above avg
24	808	HI · Urban Honolulu	$104,264	9.9%	Above avg
25	619	CA · San Diego	$102,285	10.4%	Above avg

Ranked by Density

#	Area Code	Location	Density	Population	vs National
1	212	NY · New York	71,842.1	1,617,259	Above avg
2	347	NY · New York	24,529.8	7,063,447	Above avg
3	202	DC · Washington	10,994.8	672,079	Above avg
4	201	NJ · Jersey City	5,983.7	1,585,470	Above avg
5	312	IL · Chicago	5,488.1	293,470	Above avg
6	773	IL · Chicago	5,488.1	2,359,138	Above avg
7	363	NY · Hempstead	4,713.5	1,489,965	Above avg
8	949	CA · Irvine	3,988.8	994,314	Above avg
9	657	CA · Anaheim	3,910.4	2,089,295	Above avg
10	617	MA · Boston	3,754.1	1,482,537	Above avg
11	313	MI · Detroit	2,850.8	1,080,643	Above avg
12	216	OH · Cleveland	2,732.6	727,424	Above avg
13	464	IL · Cicero	2,634	1,567,189	Above avg
14	314	MO · St. Louis	2,582	1,346,864	Above avg
15	562	CA · Long Beach	2,538	1,564,824	Above avg
16	215	PA · Philadelphia	2,438.4	2,939,404	Above avg
17	213	CA · Los Angeles	2,425.6	2,400,544	Above avg
18	914	NY · Yonkers	2,397.4	1,030,142	Above avg
19	310	CA · Los Angeles	2,340.4	1,891,078	Above avg
20	612	MN · Minneapolis	2,290.4	446,026	Above avg
21	414	WI · Milwaukee	2,290.1	1,058,739	Above avg
22	404	GA · Atlanta	2,269.3	1,444,103	Above avg
23	626	CA · Pasadena	2,227.5	1,361,611	Above avg
24	341	CA · Oakland	2,151.8	1,809,235	Above avg
25	727	FL · St. Petersburg	2,007.7	1,197,841	Above avg

Methodology

Data source: US Census Bureau American Community Survey (ACS) 5-year estimates, aggregated to the area code level using county-level data. Population-weighted aggregation ensures that densely populated counties within an area code have proportionally more influence on the final figure.

Scope: Only US area codes (excluding Canadian NPAs) are included. Canadian area codes have different demographic reporting and are not comparable.

Comparison labels: "Above average" means more than 10% above the US baseline, "Below average" means more than 10% below, and "Near average" means within ±10%.

Last updated: August 8, 2026

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Richest & Densest Area Codes in the US