Etymology and distribution of 風井.

The Japanese surnames etymology dictionary.
https://play.google.com/store/apps/details?id=info.jigensha.jcedfreeGoogle Play で手に入れよう https://apps.apple.com/us/app/id1471109324
↑オフライン検索できるアプリもどうぞ
在日通名大全

日本初、在日通名の研究書「在日通名大全」発売中!
ネットの電話帳 住宅地図 マッポン!

風井さんの分布

Population

Distributions by prefecture
都道府県分布数図
Distributions by city
市区町村分布数図
Distributions by subregion
小地域分布数図
Whole Japan Prefectures
レベル3 1 Oosaka-fu(About 30)
2 Yamaguchi-ken(About 20)
3 Kyouto-fu(About 10)
4 Shiga-ken(Very rare)
4 Nara-ken(Very rare)
4 Hyougo-ken(Very rare)
PopulationAbout 70
Ranking38,443
Rank by city
1 Shuunan-shi(About 10)
2 Kyouto-shi Higashiyama-ku(Very rare)
2 Uji-shi(Very rare)
2 Kudamatsu-shi(Very rare)
2 Shimonoseki-shi(Very rare)
2 Shijounawate-shi(Very rare)
2 Yao-shi(Very rare)
2 Kusatsu-shi(Very rare)
2 Sakurai-shi(Very rare)
2 Fujiidera-shi(Very rare)
Rank by subregion
1 山口県 周南市 新田(About 10)

Distributions of ratios

Distributions of ratios by prefecture
都道府県分布比率図
Distributions of ratios by city
市区町村分布比率図
Distributions of ratios by subregion
小地域分布比率図
Whole Japan Prefectures
RatiosVery rare 1 Yamaguchi-ken(0.000955%)
2 Oosaka-fu(0.000346%)
3 Kyouto-fu(0.000333%)
4 Shiga-ken(0.000325%)
5 Nara-ken(0.000297%)
6 Hyougo-ken(Very rare)
Rank by city
1 Oosaka-shi Chuuou-ku(0.0103%)
2 Shijounawate-shi(0.0091%)
3 Kyouto-shi Higashiyama-ku(0.00887%)
4 Fujiidera-shi(0.00696%)
5 Kudamatsu-shi(0.00662%)
6 Sakurai-shi(0.00657%)
7 Ashiya-shi(0.00573%)
8 Shuunan-shi(0.00485%)
9 Ikeda-shi(0.00467%)
10 Kusatsu-shi(0.00436%)
Rank by subregion

マッポン! で分布を見る